agenttru.st

Arbiter Agent Hub bronze

www.arbiterverse.com

“Pay-per-call machine products over x402 v2. Each skill is a paid HTTP resource: POST {interface url}/{skill id} with a JSON body {"request": {...}}; an unpaid call answers 402 with the exact quote, and the result is delivered after the payment is final on-chain. The skill description states what it returns and its price basis; where a skill lists an example, it is a working request. No skill carries execution authority.

https://www.arbiterverse.com/.well-known/agent-card.json its card
🇺🇸 US · DigitalOcean, LLC Checked 7d ago extendedAgentCard, extensions, pushNotifications, streaming

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Verified by agenttru.st

Everything here is a check agenttru.st performed itself. Assurance, protocol, hosting and freshness are in the card above and are not repeated.

Certificate
Issued by Let's Encrypt domain-validated
Valid until 18 Dec 2026 as of our check on 6 Nov 2026.
Control of the hostname was checked; nothing about who operates it.
Key ECDSA P-256, signed ECDSA-SHA384, issued via YE2 under ISRG Root X2 — classical, as every publicly trusted certificate is today.
Names on this certificate (1)

arbiterverse.com.

Connection
TLS 1.3 · X25519MLKEM768 — post-quantum hybrid key exchange, agreed with our checker on 6 Nov 2026. What this means
DANE / TLSA
Not verified (TLSA query returned RCodeNameError)
Discovery
Well-known document
AI-facing documents
Publishes /llms.txt — “Arbiter Agent Hub” a curated map of the site's content for language models
Fetched from this host during verification. Neither document is how this agent was discovered.
First seen
6 Nov 2026
View verification details
Assurance
bronze Bronze — agent card fetched over HTTPS with a valid certificate
Protocols
A2A verified by handshake or card fetch, not merely advertised
Hosted in
🇺🇸 US · DigitalOcean, LLC (AS14061)
Last checked
7d ago

What this agent says it can do

Declared in the agent's own card. agenttru.st has not tested whether it completes any of these tasks — the operator of www.arbiterverse.com controls every word below.

Token metadata enrichment

ERC-20 metadata (code presence, name, symbol, decimals, total supply) read at one confirmed block by a two-provider RPC quorum. Price: from $0.001 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitychain-dataenrichmenterc-20evmonchaintoken-metadataunitx402
Examples it gives
  • {"request":{"query":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","subjectNetworkId":"eip155:8453"}}

Token identity enrichment

ERC-20 metadata plus a conformance and curated-registry identity verdict from one two-provider RPC quorum observation. Price: from $0.002 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitybundlechain-dataenrichmenterc-20evmtoken-identityverificationx402
Examples it gives
  • {"request":{"query":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","subjectNetworkId":"eip155:8453"}}

Contract/code-change watch

Contract code and EIP-1967 proxy change watch: code hash and size, implementation, admin and beacon slots and the implementation's code hash, read at one confirmed block by a two-provider RPC quorum and compared… Price: from $0.0012 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitycontract-monitoringeip-1967evmmonitoringproxy-upgradesecuritywatchx402
Examples it gives
  • {"request":{"query":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","subjectNetworkId":"eip155:8453"}}

Contract change watch

Contract control change watch: code, EIP-1967 implementation/admin/beacon, owner(), paused(), Safe owners and threshold, timelock delay, and the same control reads on the owner and proxy admin, compared with… Price: from $0.005 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

admin-changearbiterarbiter-riskcontract-monitoringevmmonitoringsafe-multisigsecuritywatchx402
Examples it gives
  • {"request":{"query":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","subjectNetworkId":"eip155:8453"}}

Protocol contract risk snapshot

Protocol contract risk snapshot: upgradeability, admin kind (EOA, Safe m-of-n, timelock, contract), owner, pause state and code identity from one two-provider quorum observation, plus what changed since Arbiter's… Price: from $0.005 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

admin-keysarbiterarbiter-utilitydefievmprotocol-riskriskunitupgradeabilityx402
Examples it gives
  • {"request":{"query":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","subjectNetworkId":"eip155:8453"}}

Wallet movement watch

Wallet movement watch: native balance, nonce, account kind (EOA, contract, EIP-7702 delegation) and curated stablecoin balances, compared with Arbiter's own stored observation of the wallet at the start of the… Price: from $0.00183 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitybalanceevmmonitoringonchainstablecoinswallet-monitoringwatchx402
Examples it gives
  • {"request":{"query":"0x4200000000000000000000000000000000000006","subjectNetworkId":"eip155:8453"}}

Wallet public activity brief

Wallet public activity brief across every chain Arbiter serves: per chain, account kind, native balance, nonce, curated stablecoin balances and Safe threshold/owners, each from its own two-provider quorum… Price: from $0.008 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitybundleevmmarket_intelligencemultichainonchainsafe-multisigwalletx402
Examples it gives
  • {"request":{"query":"0x4200000000000000000000000000000000000006","subjectNetworkId":"eip155:8453"}}

Whale threshold watch

Balance-threshold watch for a named wallet: its native or curated-stablecoin balance against the threshold you set, and whether it crossed the threshold since Arbiter's own stored observation at the start of the… Price: from $0.002 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitybalance-thresholdevmmonitoringonchainwallet-monitoringwatchwhale-alertx402
Examples it gives
  • {"request":{"query":"0x4200000000000000000000000000000000000006","subjectNetworkId":"eip155:8453","asset":"NATIVE","threshold":"100"}}

Change/state intelligence feed

Conditional state feed over Arbiter's chain-native observation plans (account, contract code, contract control, token metadata): send the etag from your last response and get NOT_MODIFIED, or only the sections… Price: from $0.00183 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitychain-statechange-feedetagevmmonitoringwatchx402
Examples it gives
  • {"request":{"query":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","subjectNetworkId":"eip155:8453","feed":"CONTRACT_CODE"}}

DeFi pool and vault risk snapshot

DeFi pool or vault risk snapshot: interface (Uniswap V2-style, V3-style, Solidly stable/volatile, ERC-4626 vault), both legs' identity and balances in the pool, reserves or V3 price and active liquidity, the… Price: from $0.003733 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitybundlechain-datadefiliquidity-poolriskuniswapx402
Examples it gives
  • {"request":{"query":"0xd0b53D9277642d899DF5C87A3966A349A798F224","subjectNetworkId":"eip155:8453"}}

Token supply structure snapshot

ERC-20 supply structure: total supply, cap or maxSupply and mintable headroom, balances at the burn and zero addresses, held by the token contract and by its owner, a circulating-supply proxy, owner kind… Price: from $0.0016 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitybundlechain-dataerc-20evmrisktoken-supplytokenomicsx402
Examples it gives
  • {"request":{"query":"0x940181a94A35A4569E4529A3CDfB74e38FD98631","subjectNetworkId":"eip155:8453"}}

Stablecoin deployment health brief

Stablecoin deployment health: identity against Arbiter's curated issuer-verified registry, supply, pause state, upgradeability, who holds each control role (owner, proxy admin, master minter, pauser, blacklister… Price: from $0.0032 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitybundlechain-datadepeg-riskevmriskstablecoinusdcx402
Examples it gives
  • {"request":{"query":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","subjectNetworkId":"eip155:8453"}}

Lending market brief

Lending market snapshot for an Aave v3 pool or data provider, a Compound v3 Comet or an ERC-4626 vault: per reserve or market the supply and borrow rates, totals and utilization where the contract reports them… Price: from $0.004 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

aavearbiterarbiter-utilitybundlecompounddefiinterest-rateslendingmarket_intelligencex402
Examples it gives
  • {"request":{"query":"0xb125E6687d4313864e53df431d5425969c15Eb2F","subjectNetworkId":"eip155:8453"}}

EVM calldata decoder

Decodes EVM transaction calldata with the ABI you supply: function name, 4-byte selector, canonical signature and every argument (uint/int as decimal strings, bytes as hex, addresses EIP-55, tuples and arrays… Price: from $0.001 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

abiarbiterarbiter-utilitycalldata-decoderdeveloper-toolsenrichmentevmsolidityunitx402
Examples it gives
  • {"request":{"data":"0xa9059cbb000000000000000000000000111111111111111111111111111111111111111100000000000000000000000000000000000000000000000000000000000f4240","signature":"transfer(address,uint256)"}}

EVM function-call encoder

Builds exact EVM calldata from a human-readable Solidity function signature and JSON arguments, with strict type checks (address checksums, integer ranges, fixed bytes lengths, tuple shapes). Price: from $0.001 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

abiarbiterarbiter-utilitycalldata-encoderdeveloper-toolsenrichmentevmsolidityunitx402
Examples it gives
  • {"request":{"signature":"function transfer(address to, uint256 amount)","args":["0x1111111111111111111111111111111111111111","1000000"]}}

EVM signature recovery (EIP-191 / EIP-712)

Recovers the signer address of an EIP-191 personal_sign message (UTF-8 or hex bytes) or EIP-712 typed data from a 65-byte or 64-byte EIP-2098 signature, returns the signed digest, low-s status and, if you pass… Price: from $0.001 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilityecrecovereip-191eip-712evmsignatureunitverificationx402
Examples it gives
  • {"request":{"message":"Example message signed with personal_sign","signature":"0xc7c5f31658ed30ed4cd25b5b323c9b9a39d5802901cd11bccbaa8b746f107a710e76b11b3abd2f5c0fd579e502495806d1f157282213a0eedf65ecfd40cf62ed1b","expectedAddress":"0xbA4C68FCa04749628aF19cD989fb346ffb7B9D97"}}

EIP-712 typed data validator and hasher

Validates EIP-712 typed data strictly (type graph, domain fields, every value against its type) and returns actionable issues plus encodeType, typeHash, domain separator, struct hash and the digest a wallet signs. Price: from $0.001 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitydeveloper-toolseip-712evmhashingtyped-dataunitverificationx402
Examples it gives
  • {"request":{"typedData":{"types":{"EIP712Domain":[{"name":"name","type":"string"},{"name":"version","type":"string"},{"name":"chainId","type":"uint256"},{"name":"verifyingContract","type":"address"}],"Person":[{"name":"name","type":"string"},{"name":"wallet","type":"address"}],"Mail":[{"name":"from","type":"Person"},{"name":"to","type":"Person"},{"name":"contents","type":"string"}]},"primaryType":"Mail","domain":{"name":"Ether Mail","version":"1","chainId":1,"verifyingContract":"0xCcCCccccCCCCcCCCCCCcCcCccC

Sign-In with Ethereum (EIP-4361) verifier

Checks a Sign-In with Ethereum message against EIP-4361 (header, EIP-55 address, field order, URI, version, chain id, nonce, RFC 3339 times), recovers the signer of the exact text, and gives a time-window verdict… Price: from $0.001 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilityauthenticationeip-4361evmsignaturesiweunitverificationx402
Examples it gives
  • {"request":{"message":"app.example.com wants you to sign in with your Ethereum account:\n0xbA4C68FCa04749628aF19cD989fb346ffb7B9D97\n\nSign in to the example app.\n\nURI: https://app.example.com/login\nVersion: 1\nChain ID: 8453\nNonce: arbiterExample1\nIssued At: 2026-01-01T00:00:00.000Z","signature":"0x4cdcf843132e2075a3a256b7f5d7809480d19b96b0d98f0b053a25d771b79df87d938d7b0c144da2efeffc80b5709129a01d003ca6d3f2e5fd0ea0fa8e68ea0c1b","expectedDomain":"app.example.com","expectedNonce":"arbiterExample1"}}

x402 payment requirements and payload linter

Lints an x402 PaymentRequired (402 body), PaymentPayload (decoded X-PAYMENT / PAYMENT-SIGNATURE) or single PaymentRequirements, v1 or v2: @x402/core schema validity, CAIP-2 networks, base-unit amounts, asset and… Price: from $0.001 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitydeveloper-toolslinterpaymentsunitvalidationverificationx402
Examples it gives
  • {"request":{"document":{"x402Version":2,"resource":{"url":"https://api.example.com/data"},"accepts":[{"scheme":"exact","network":"eip155:8453","amount":"10000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x1111111111111111111111111111111111111111","maxTimeoutSeconds":60,"extra":{"name":"USD Coin","version":"2"}}]},"assetDecimals":6}}

EVM address normalizer

Validates up to 256 EVM addresses per call and returns, by index, validity (with the reason: not hex or bad EIP-55 checksum), the EIP-55 checksum form, lower-case form, CAIP-10 (when chainId is given), zero-address… Price: from $0.001 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

addressarbiterarbiter-utilitycaip-10checksumeip-55enrichmentevmunitx402
Examples it gives
  • {"request":{"addresses":["0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","0x2222222222222222222222222222222222222222"],"chainId":8453}}

Arbiter Verdict: deliverable acceptance check

Arbiter Verdict for agent jobs and bounties: send the acceptance criteria and the deliverable, get PASS, FAIL or UNCHECKABLE for every criterion and an overall ACCEPT, REJECT or NO_VERDICT (any FAIL rejects; any… Price: from $0.04 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

acceptance-testagent-jobsarbiterarbiter-verifyerc-8183evaluatorunitverdictverificationx402
Examples it gives
  • {"request":{"deliverable":{"kind":"json","value":{"status":"done","items":[1,2,3]}},"criteria":[{"id":"status","check":"json_path_equals","path":"status","value":"done"},{"id":"count","check":"array_length","path":"items","min":3}],"jobRef":"erc8183:8453:42"}}

US public company profile (filer record)

Official SEC EDGAR profile of one US-registered company or filer: registered name, tickers and exchanges, SIC code and industry, entity type, filer category, state of incorporation, fiscal year end, and its 20 most… Price: from $0.001 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitycompany-profileenrichmentfilingspublic-recordssec-edgarunitus-companiesx402
Examples it gives
  • {"request":{"query":"320193"}}

US public company financial facts (XBRL)

Headline financials of one SEC filer as reported in XBRL: revenue, net income, total assets, total liabilities, stockholders' equity (USD) and common shares outstanding, each with its latest annual and latest… Price: from $0.001 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilityenrichmentfinancial-statementsfundamentalspublic-recordssec-edgarunitx402xbrl
Examples it gives
  • {"request":{"query":"320193"}}

Insider filings, recent (Forms 3/4/5)

The 25 most recent Section 16 insider filings (Forms 3, 4, 5 and amendments) for one issuer from SEC EDGAR: form, filing and report dates, acceptance time, accession number and EDGAR link, plus how many fall in… Price: from $0.001 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilityform-4insider-filingsmarket_intelligencepublic-recordssec-edgarsection-16unitx402
Examples it gives
  • {"request":{"query":"320193"}}

US federal debt outstanding, daily

The latest official US total public debt outstanding, debt held by the public and intragovernmental holdings (exact USD decimals) from Treasury Fiscal Data, with the previous business days (up to 10 records) and… Price: from $0.001 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilityfiscal-datamacromarket_intelligencenational-debtpublic-recordsunitus-treasuryx402
Examples it gives
  • {"request":{}}

US public company latest 10-K / 10-Q / 8-K links

Links to a US-listed company's latest SEC reports: its latest annual (10-K, 20-F or 40-F), quarterly (10-Q) and current report (8-K or 6-K), each with filing date, period, accession number, EDGAR index URL and… Price: from $0.001 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

10-k10-qannual-reportarbiterarbiter-utilityenrichmentpublic-recordssec-edgarunitx402
Examples it gives
  • {"request":{"query":"320193"}}

US public company 8-K material events

One SEC registrant's 25 most recent material-event filings (Form 8-K; Form 6-K for foreign issuers), each with filing and event dates, accession number, EDGAR index and primary document URLs, and the 8-K item codes… Price: from $0.001 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

8-karbiterarbiter-utilitycompany-newsmarket_intelligencematerial-eventspublic-recordssec-edgarunitx402
Examples it gives
  • {"request":{"query":"320193"}}

US government operating cash balance, daily

The official US Treasury General Account (TGA) cash balance from the Daily Treasury Statement: the latest business day's opening balance, deposits, withdrawals and closing balance, in millions of USD exactly as… Price: from $0.001 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilityliquiditymacromarket_intelligencepublic-recordstreasury-general-accountunitus-treasuryx402
Examples it gives
  • {"request":{}}

US address geocode

One US street address to its US Census Bureau match: coordinates, standardized address, TIGER line id and side of the street, and match type (MATCH, TIE or NO_MATCH). Price: from $0.0012 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

addressarbiterarbiter-utilityenrichmentgeocodingpublic-recordstigerunitus-censusx402
Examples it gives
  • {"request":{"address":"4600 Silver Hill Rd, Washington, DC 20233"}}

US geographies for a point (state, county, tract; FIPS)

The US state, county, census tract, block group and 2020 census block containing a US latitude/longitude, with FIPS codes, GEOIDs and names. Price: from $0.0012 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitycensus-tractenrichmentfipsgeographypublic-recordsunitus-censusx402
Examples it gives
  • {"request":{"latitude":38.8451,"longitude":-76.9283}}

US address geocode, batch of up to 10

Up to 10 US street addresses in one call and one settlement, each matched by the US Census Bureau Geocoder: coordinates, standardized address, TIGER line and side, match type, in your order. Price: from $0.012 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitybatch-geocodingenrichmentgeocodingpublic-recordstigerunitus-censusx402
Examples it gives
  • {"request":{"addresses":["4600 Silver Hill Rd, Washington, DC 20233","101 Independence Ave SE, Washington, DC 20540"]}}

Vulnerability record lookup (CVE)

One CVE's official record from the NIST National Vulnerability Database, with its CISA Known Exploited Vulnerabilities status. This product uses the NVD API but is not endorsed or certified by the NVD. Price: from $0.004 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-riskcisa-kevcvecvssnvdriskunitvulnerabilitiesx402
Examples it gives
  • {"request":{"cveId":"CVE-2021-44228"}}

Actively exploited vulnerabilities, recent additions

Every vulnerability CISA added to its Known Exploited Vulnerabilities (KEV) catalog in the last N days (1 to 90), newest first: CVE id, vendor, product, vulnerability name, date added, remediation due date, known… Price: from $0.004 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-riskcisa-kevcveexploited-vulnerabilitiesrisksecuritythreat-intelligenceunitx402
Examples it gives
  • {"request":{"days":7}}

US federal debt average interest rates by security

The average interest rate the US Treasury pays on each kind of debt it has outstanding, from Treasury Fiscal Data: bills, notes, bonds, TIPS, FRNs and the marketable, non-marketable and total interest-bearing debt… Price: from $0.004 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilityinterest-ratesmacromarket_intelligencepublic-recordstreasury-securitiesunitus-treasuryx402
Examples it gives
  • {"request":{}}

US official exchange rates (quarterly)

The US government's official foreign-currency exchange rates from the Treasury Reporting Rates of Exchange: units of each currency per US dollar for the newest quarter-end, with effective dates and amendments, for… Price: from $0.002 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitycurrenciesexchange-ratesfxmarket_intelligencepublic-recordsunitus-treasuryx402
Examples it gives
  • {"request":{}}

US federal receipts, outlays and deficit (monthly)

US federal government receipts, outlays and the deficit or surplus from the latest Monthly Treasury Statement: the latest month, the same month a year earlier, fiscal-year-to-date totals and every month of the… Price: from $0.004 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilityfederal-deficitfiscal-policymacromarket_intelligencepublic-recordsunitus-treasuryx402
Examples it gives
  • {"request":{}}

US debt subject to limit and headroom

The US statutory debt limit and the debt subject to it from the Daily Treasury Statement: debt held by the public, intragovernmental holdings, the published adjustments, the limit, and the remaining headroom and… Price: from $0.004 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitydebt-ceilingmacromarket_intelligencenational-debtpublic-recordsunitus-treasuryx402
Examples it gives
  • {"request":{}}

US government bond auctions calendar (upcoming)

Every announced US Treasury auction that has not happened yet, soonest first: security type and term, CUSIP, reopening flag, offering amount, and announcement, auction and issue dates, from Treasury Fiscal Data. Price: from $0.008 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitybondsmarket_intelligencepublic-recordsratestreasury-auctionsunitus-treasuryx402
Examples it gives
  • {"request":{}}

US government bond auction results (yield, bid-to-cover)

The most recent US Treasury auction results from Treasury Fiscal Data: high yield or discount rate, investment rate, price, interest rate, bid-to-cover ratio, and offering, tendered and accepted amounts, newest… Price: from $0.006 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitybid-to-covermarket_intelligencepublic-recordstreasury-auctionsunitus-treasuryx402yields
Examples it gives
  • {"request":{"securityType":"NOTE"}}

Recent earthquakes (live feed)

Recent earthquakes worldwide from the USGS real-time feeds: significant, M4.5+, M2.5+ or M1.0+ events of the past hour, day, week or month, with magnitude, place, time, coordinates, depth, tsunami flag, PAGER alert… Price: from $0.002 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilityearthquakesgeospatialnatural-hazardspublic-recordsriskunitusgsx402
Examples it gives
  • {"request":{"minMagnitude":"4.5","window":"day"}}

Earthquakes near a location

Earthquakes near any point from the USGS catalog: every event within your radius (1-1000 km) of a latitude and longitude, at or above your magnitude, over the last 1-30 days, with magnitude, place, time, depth… Price: from $0.002 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilityearthquakeslocationnatural-hazardspublic-recordsriskunitusgsx402
Examples it gives
  • {"request":{"latitude":35.7,"longitude":-117.5,"radiusKm":250,"days":7}}

Vehicle safety recalls by make, model, year

Every safety recall NHTSA lists for one vehicle make, model and model year: campaign number, report date, affected component, NHTSA's summary, consequence and remedy, park-it and park-outside warnings, over-the-air… Price: from $0.024 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilityauto-safetycarsnhtsapublic-recordsriskunitvehicle-recallsx402
Examples it gives
  • {"request":{"make":"HONDA","model":"ACCORD","modelYear":2018}}

Vehicle recall campaign lookup

One NHTSA safety recall campaign by its campaign number: manufacturer, component, report date, potential units affected, NHTSA's summary, consequence and remedy, park-it and over-the-air flags, the NHTSA recall… Price: from $0.024 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilityauto-safetynhtsapublic-recordsrecall-campaignriskunitvehicle-recallsx402
Examples it gives
  • {"request":{"campaignNumber":"20V314000"}}

US federal rules and notices search

The 20 newest Federal Register documents matching your search: rules, proposed rules, notices and presidential documents, each with document number, title, type, abstract, publication date, agencies, the… Price: from $0.008 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitycompliancefederal-registergovernancepublic-recordsregulationsrulemakingunitx402
Examples it gives
  • {"request":{"term":"stablecoin"}}

US weather forecast for a point

The official US National Weather Service forecast for one US latitude/longitude: up to 14 twelve-hour periods with temperature, chance of precipitation, wind and NWS forecast text, plus the forecast office, grid… Price: from $0.001 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilityenrichmentforecastnoaanwspublic-recordsunitweatherx402
Examples it gives
  • {"request":{"latitude":39.7456,"longitude":-97.0892}}

US active weather alerts

The US National Weather Service's active weather alerts (warnings, watches, advisories) for a US state, territory or marine area code, or for one US latitude/longitude: event, severity, urgency, certainty, onset… Price: from $0.001 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitynoaanwspublic-recordsriskunitweatherweather-alertsx402
Examples it gives
  • {"request":{"area":"KS"}}

Swap quote: best route across chains (two-operator, on-chain)

The best swap route for your trade across Arbiter's venue book (Uniswap V3 every fee tier, Uniswap V2 and PancakeSwap V2) on 1-3 EVM chains you name, from on-chain QuoterV2 / getAmountsOut reads that two… Price: from $0.0072 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-executiondexevmmarket_intelligencequoteswapuniswapunitx402
Examples it gives
  • {"request":{"chainIds":[8453,42161],"tokenIn":"USDC","tokenOut":"WETH","amountIn":"250"}}

Best execution route: every chain and venue compared after gas, impact and fees

Where should this trade actually execute? Price: from $0.00858 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-executionbest-executiondexgasmarket_intelligencenon-custodialroutingunitx402
Examples it gives
  • {"request":{"chainIds":[8453,42161],"tokenIn":"USDC","tokenOut":"WETH","amountIn":"40000","taker":"0x1111111111111111111111111111111111111111"}}

Swap calldata: unsigned transactions for your wallet to sign

Everything SWAP_QUOTE returns, plus the unsigned transactions your own wallet signs and sends for the best route you can fund: an exact-amount approval when needed (never unlimited), then the swap with a hard… Price: from $0.00858 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-executioncalldatadexmarket_intelligencenon-custodialswapuniswapunitx402
Examples it gives
  • {"request":{"chainIds":[8453],"tokenIn":"USDC","tokenOut":"WETH","amountIn":"250","taker":"0x1111111111111111111111111111111111111111"}}

Token risk verdict (any EVM chain)

ERC-20 token risk verdict: a grade of LOW, MEDIUM, HIGH or CRITICAL computed by fixed code rules, with every red flag behind it. Price: from $0.004 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-riskerc-20evmhoneypotrisksecuritytoken-riskunitx402
Examples it gives
  • {"request":{"query":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","subjectNetworkId":"eip155:8453"}}

BYOS record extraction - simple tier

Bring your own schema: send a JSON Schema subset (string, number, integer and boolean properties, a required list) and up to 256 JSON documents; get back typed records in your schema, each validated before return… Price: from $0.001 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitybyosdata-extractionenrichmentetljson-schemaunitvalidationx402
Examples it gives
  • {"request":{"schema":{"type":"object","properties":{"name":{"type":"string"},"employees":{"type":"integer"}},"required":["name"]},"documents":[{"name":"Acme","employees":12}]}}

Cross-asset relationship statistics (your series)

Relationship statistics for 2 to 10 price or return series you supply (aligned by index, up to 2,000 points each and 4,000 in all): Pearson and Spearman correlation matrices of log returns, beta, alpha and R… Price: from $0.004 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitybetacointegrationcorrelationmarket_intelligencepairs-tradingquantunitx402
Examples it gives
  • {"request":{"series":[{"label":"ETH","values":[3000,3030,2990,3050,3100,3080,3120,3150,3130,3170,3200,3190,3230,3260,3240,3280,3310,3300,3340,3370]},{"label":"stETH","values":[2998,3027,2988,3046,3097,3077,3116,3147,3126,3166,3197,3186,3226,3257,3237,3276,3307,3297,3336,3367]}],"periodsPerYear":365}}

Sentiment and price divergence (your series)

Divergence between a sentiment series and a price series you supply (30 to 2,000 aligned points): window changes of each, z-scored against their own history, a current divergence classified as… Price: from $0.004 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitydivergencelead-lagmarket_intelligencequantsentimenttrading-signalsunitx402
Examples it gives
  • {"request":{"sentiment":[0.1,0.2,0.15,0.3,0.25,0.35,0.3,0.4,0.45,0.4,0.5,0.55,0.5,0.6,0.65,0.6,0.7,0.75,0.7,0.8,0.85,0.8,0.9,0.95,0.9,1,1.05,1,1.1,1.2],"prices":[100,101,100.5,102,101.5,101,100.5,100,99.5,99,98.5,98,97.5,97,96.5,96,95.5,95,94.5,94,93.5,93,92.5,92,91.5,91,90.5,90,89.5,89],"window":5}}

Historical analogue study (your price history)

Finds the past windows of a price history you supply (60 to 4,000 points, companion series included) whose shape most resembles the latest window, and reports what followed each: forward return, maximum run-up and… Price: from $0.012 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

analoguesarbiterarbiter-utilitybacktestpattern-matchingquantresearchtime-seriesunitx402
Examples it gives
  • {"request":{"values":[100,101,102,101,103,104,103,105,106,105,107,108,107,109,110,109,111,112,111,113,112,111,112,113,112,114,115,114,116,117,116,118,119,118,120,121,120,122,123,122,121,120,121,122,121,123,124,123,125,126,125,127,128,127,129,130,129,131,132,131],"windowLength":10,"horizon":5,"topK":3}}

Market thesis stress test (your price history)

Stress-tests a typed price thesis ("UP 5% within 10 periods, stop at 3%") against a price history you supply (60 to 4,000 points): from every past start, how often the target came before the stop, how often neither… Price: from $0.08 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitybacktesthit-ratequantresearchrisktrading-thesisunitx402
Examples it gives
  • {"request":{"values":[100,101,102,101,103,104,103,105,106,105,107,108,107,109,110,109,111,112,111,113,112,111,112,113,112,114,115,114,116,117,116,118,119,118,120,121,120,122,123,122,121,120,121,122,121,123,124,123,125,126,125,127,128,127,129,130,129,131,132,131],"thesis":{"direction":"UP","targetPercent":3,"stopPercent":2,"horizon":5},"lookback":5}}

Claim-set contradiction scan

Send 2 to 200 claims ({"id","text","subject"?,"source"?}); get back every pair about the same subject that cannot both be right, by two mechanical tests: identical wording except for a negation (CONTRADICTION, e.g.… Price: from $0.004 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

agentsarbiterarbiter-verifyclaimscontradictionfact-checkunitverificationx402
Examples it gives
  • {"request":{"claims":[{"id":"a","text":"Reserves are fully backed","subject":"USDX"},{"id":"b","text":"Reserves are not fully backed","subject":"USDX"}]}}

BYOS cross-document agreement

Bring your own schema and 2 to 256 JSON documents from sources you label with originGroups; get, per field (and per entity with keyField), whether documents from different groups AGREE, DISAGREE (with each distinct… Price: from $0.01 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-verifybyoscross-sourcedata-reconciliationjson-schemaunitverificationx402
Examples it gives
  • {"request":{"schema":{"type":"object","properties":{"ceo":{"type":"string"},"employees":{"type":"integer"}}},"documents":[{"ceo":"Ada Lovelace","employees":120},{"ceo":"ada lovelace","employees":121}],"originGroups":["registry","website"],"tolerances":{"employees":2}}}

Agent-stack self-check (cost leaks, retry storms, fake-green)

Send your agent system's telemetry as an arbiter.agentops.telemetry.v1 bundle (per service: status, token spend, API calls, retries, duplicate work ids, stalled seconds, validation loops, completed and failed… Price: from $0.001 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

agentopsagentsarbiterarbiter-verifycost-leakobservabilityretry-stormriskunitx402
Examples it gives
  • {"request":{"telemetry":{"schema":"arbiter.agentops.telemetry.v1","generatedAt":"2026-09-24T00:00:00Z","system":{"name":"my-agents"},"services":[{"serviceId":"planner","status":"HEALTHY","tokenSpendUsd":42,"apiCalls":900,"repeatValidationLoops":0,"retryCount":40,"duplicateWorkIds":[],"stalledSeconds":0,"outcomes":{"completed":3,"failed":9}}],"events":[]}}}

Lending reserve state (rates, caps, liquidity)

Aave v3 reserve state for one asset on every pinned Aave v3 market of its chain: current supply and variable borrow APR (and approximate APY), supplied, borrowed and available liquidity, borrow usage… Price: from $0.004 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

aavearbiterarbiter-utilitychain-datadefievmlending-ratesmarket_intelligenceunitx402
Examples it gives
  • {"request":{"query":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","subjectNetworkId":"eip155:8453"}}

DEX pool state (concentrated-liquidity v3 pools)

Uniswap V3-style pool state: tokens, fee tier, tick spacing, slot0, active liquidity, the exact spot price both ways, TWAPs from the pool's own oracle observations, depth to move the price 0.5 to 5 percent, and… Price: from $0.003733 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitychain-datadexliquidity-poolmarket_intelligencetwapuniswapunitx402
Examples it gives
  • {"request":{"query":"0xd0b53D9277642d899DF5C87A3966A349A798F224","subjectNetworkId":"eip155:8453"}}

On-chain pool TWAP price

On-chain price of a Uniswap V3-style pool: the exact spot price both ways and TWAPs over the pool's own oracle history (the longest sampled window up to 30 minutes leads), the spot-to-TWAP deviation and the… Price: from $0.004 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitydefievmmarket_intelligenceprice-oracletwapuniswapunitx402
Examples it gives
  • {"request":{"query":"0xd0b53D9277642d899DF5C87A3966A349A798F224","subjectNetworkId":"eip155:8453"}}

Pool liquidity risk brief

Liquidity risk of a Uniswap V3-style pool: depth in both tokens (and dollars when a leg is a curated stablecoin) to move the price 0.5, 1, 2 and 5 percent, the current tick range, spot-to-TWAP deviation, oracle… Price: from $0.008 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitybundledefiliquidityriskslippageuniswapx402
Examples it gives
  • {"request":{"query":"0xd0b53D9277642d899DF5C87A3966A349A798F224","subjectNetworkId":"eip155:8453"}}

ERC-4626 vault state

ERC-4626 vault state: asset, total assets and shares, share price, redeem value and exit discount, idle assets, upgradeability, and for a MetaMorpho vault its Morpho singleton, curator, guardian, owner, timelock… Price: from $0.004 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitydefierc-4626market_intelligencemorphounitvaultx402yield
Examples it gives
  • {"request":{"query":"0xBEEF01735c132Ada46AA9aA4c54623cAA92A64CB","subjectNetworkId":"eip155:1"}}

Isolated lending market state (behind a curated vault)

Morpho Blue market state behind a MetaMorpho vault: for each queued market its id checked against its parameters, loan and collateral tokens, LLTV, supply, borrow and utilization, market fee, approximate borrow and… Price: from $0.004 per call, paid over x402 v2 on Ethereum, OP Mainnet, Sei, Polygon PoS, Monad Mainnet, Arbitrum One, Avalanche C-Chain, Arc, Base; the exact amount is in the 402 quote. Delivery: after the payment is final on-chain; repeat the same request until state is FULFILLED.

arbiterarbiter-utilitychain-datadefilending-ratesmarket_intelligencemorphounitvaultx402
Examples it gives
  • {"request":{"query":"0xBEEF01735c132Ada46AA9aA4c54623cAA92A64CB","subjectNetworkId":"eip155:1"}}

Technical agent card

Copied from the agent's card. The operator controls these values; agenttru.st has not verified them.

Provider
Arbiter — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol
a2a
Version
78c5efcc
Auth schemes
x402-payment
Extensions
https://x402.org/extensions/payment-identifier/v1
x402 payment-identifier idempotency: retries carrying the same payment identifier return the cached delivery with the same receipt, with no second settlement.
https://x402.org/extensions/offer-receipt/v1
Signed offers and receipts, when a dedicated offer/receipt signing key is commissioned; the signing key is always distinct from the payment destination.
https://x402.org/extensions/bazaar/v1
A skill that lists an example declares it in its 402 challenge as the x402 v2 bazaar discovery extension (the example request and its JSON Schema), unless the PAYMENT-REQUIRED header would then exceed the 15 KiB client budget, in which case that 402 carrie
A2A protocol extensions the card declares. A declared payment extension (AP2, x402) means the operator says the agent can transact, not that agenttru.st has seen it do so.
Card completeness
complete all eight fields required by a2a.proto v1.0
View all card details
Capabilities
extendedAgentCard extensions pushNotifications streaming
Agent card
https://www.arbiterverse.com/.well-known/agent-card.json

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