{"data":{"slug":"onchaincheck","name":"onchaincheck","description":"Pay-per-call data for AI agents: token risk scores and rug checks on six chains, wallet sanctions screening (OFAC) and name sanctions screening (OFAC, UN, UK), onchain data on Base, Ethereum, Arbitrum, Optimism, Polygon and Solana, web, company and AI text tools. Every endpoint is also an MCP tool at /mcp. Failed requests are not charged.","base_url":"https://onchaincheck.dev","website_url":"https://onchaincheck.dev","category":"Data","endpoint_count":8,"min_price_usd":0.003,"uptime_24h":100,"source":"submitted","status":"online","verified":false,"verified_until":null,"payment_ready":true,"payment_ready_until":"2026-11-18T22:20:03.609Z","last_success_at":"2026-11-11T22:20:03.609Z","consecutive_failures":0,"check_interval_minutes":15,"last_checked_at":"2026-11-11T22:20:03.609Z","created_at":"2026-11-11T20:42:25.513Z","uptime":{"24h":100,"7d":100,"30d":100,"90d":100,"coverage":{"24h":{"daysCovered":1,"checkCount":6},"7d":{"daysCovered":1,"checkCount":6},"30d":{"daysCovered":1,"checkCount":6},"90d":{"daysCovered":1,"checkCount":6}}},"avg_response_time_ms":494,"total_checks":7,"networks":["BSE"],"networks_caip2":["eip155:8453"],"asset":"USDC","endpoints":[{"id":"c4ee0dfc-7933-4871-9060-54f2595ffabc","method":"GET","path":"/address/exposure","description":"Has this wallet dealt with sanctioned addresses? Reads up to 4,000 of the wallet's latest transfers (native, internal, ERC-20, NFTs) on Base, Ethereum, Arbitrum, Optimism or Polygon and checks every counterparty against the OFAC SDN list's addresses: each sanctioned counterparty with entity, programs, direction, transfer count, assets and dates. Direct exposure only. Not legal advice. Errors return 4xx/5xx JSON and aren't charged.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-11-11T20:42:25.513Z","last_seen_at":"2026-11-11T22:20:03.194Z","variable_amount":false,"min_price_usd":0.01,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"10000","price_usd":"0.0100000000","pay_to":"0x2ECB9E1fcca7A62758c679F11bC3241466d181d8","max_timeout_seconds":300}],"pay_to_divergence":null},{"id":"025dd830-9b8a-4c87-9b89-9775213ded08","method":"GET","path":"/address/screen","description":"Is this address sanctioned? Screens a crypto address against the US Treasury OFAC SDN list's published digital currency addresses (ETH, USDC, USDT, XBT, SOL, TRX and others): the listed entity, programs and listing date on a match, or not found as of the list date. Adds whether it is a wallet (EOA) or contract on Base, Ethereum, Arbitrum, Optimism or Polygon, or a wallet or program-derived address on Solana. Not legal advice. Errors return 4xx/5xx JSON and aren't charged.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-11-11T20:42:25.513Z","last_seen_at":"2026-11-11T22:20:02.967Z","variable_amount":false,"min_price_usd":0.005,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"5000","price_usd":"0.0050000000","pay_to":"0x2ECB9E1fcca7A62758c679F11bC3241466d181d8","max_timeout_seconds":300}],"pay_to_divergence":null},{"id":"a9625199-340f-47ca-8c14-e1ec83fb8393","method":"GET","path":"/ai/sentiment","description":"Sentiment of a text (review, post, email, support ticket): positive, negative, neutral or mixed, a score from -1 to 1, confidence, up to 3 emotions and per-aspect sentiment. Up to 5,000 characters, any language. Llama 4 Scout on Workers AI. Errors return 4xx/5xx JSON and aren't charged.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-11-11T20:42:25.513Z","last_seen_at":"2026-11-11T22:20:03.589Z","variable_amount":false,"min_price_usd":0.003,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"3000","price_usd":"0.0030000000","pay_to":"0x2ECB9E1fcca7A62758c679F11bC3241466d181d8","max_timeout_seconds":300}],"pay_to_divergence":null},{"id":"267149af-1263-4076-b891-bd1f2e70fc9c","method":"GET","path":"/base/token","description":"Rug check and due-diligence snapshot of an ERC-20 token on Base: a 0-100 risk score with reasons, name, symbol, decimals, supply, owner and whether ownership is renounced, upgradeable-proxy detection, owner-only functions found in the bytecode (mint, pause, blacklist, fee changes), and USD price, liquidity and FDV from the deepest WETH or USDC pool on Uniswap v3 or Aerodrome. Facts only, no buy or sell opinion. Errors return 4xx/5xx JSON and aren't charged.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-11-11T20:42:25.513Z","last_seen_at":"2026-11-11T22:20:03.568Z","variable_amount":false,"min_price_usd":0.01,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"10000","price_usd":"0.0100000000","pay_to":"0x2ECB9E1fcca7A62758c679F11bC3241466d181d8","max_timeout_seconds":300}],"pay_to_divergence":null},{"id":"02ef44d4-6e3b-4e09-8fd3-799dd93e3973","method":"GET","path":"/sanctions/search","description":"Screens a person, company, vessel or aircraft name against the OFAC SDN and non-SDN lists, the UN Security Council consolidated list and the UK Sanctions List (about 27,000 entries with aliases). Fuzzy matching ignores word order, accents, punctuation and legal forms. Each match: 0-100 score, list, listed name, type, programs, aliases, birth date, nationality. Not legal advice. Errors return 4xx/5xx JSON and aren't charged.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-11-11T20:42:25.513Z","last_seen_at":"2026-11-11T22:20:03.550Z","variable_amount":false,"min_price_usd":0.005,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"5000","price_usd":"0.0050000000","pay_to":"0x2ECB9E1fcca7A62758c679F11bC3241466d181d8","max_timeout_seconds":300}],"pay_to_divergence":null},{"id":"0f24e691-84b0-4d7f-90d4-8e2473af292c","method":"GET","path":"/token","description":"Is this token safe? Rug check for any token on Base, Ethereum, Arbitrum, Optimism, Polygon or Solana: a 0-100 risk score with plain reasons (mint, freeze, blacklist, fee, pause or trading-switch powers, upgradeable code, holder concentration, thin liquidity, a deployer whose earlier tokens lost their liquidity), the facts behind it, and USD price and liquidity. A fingerprint sent back as since returns what changed. Rules-based, not advice. Errors return 4xx/5xx JSON and aren't charged.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-11-11T20:42:25.513Z","last_seen_at":"2026-11-11T22:20:03.539Z","variable_amount":false,"min_price_usd":0.01,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"10000","price_usd":"0.0100000000","pay_to":"0x2ECB9E1fcca7A62758c679F11bC3241466d181d8","max_timeout_seconds":300}],"pay_to_divergence":null},{"id":"a309264c-756c-4144-99b5-0b8b93df7359","method":"POST","path":"/verdict","description":"Rug Radar verdict for a token on Base, Ethereum, Arbitrum, Optimism, Polygon or Solana: a grade (CLEAN, MID, SKETCHY, RUGGY), a one-liner, a short take and a shareable card, built from real onchain facts: the 0-100 risk score with its reasons and the deployer's record (did their earlier tokens lose liquidity?). Same call shape as quest verdicts: POST tokenAddress with an optional requestKey, echoed back. Rules-based, not financial advice. Errors return 4xx/5xx JSON and aren't charged.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-11-11T20:42:25.513Z","last_seen_at":"2026-11-11T22:20:02.945Z","variable_amount":false,"min_price_usd":0.01,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"10000","price_usd":"0.0100000000","pay_to":"0x2ECB9E1fcca7A62758c679F11bC3241466d181d8","max_timeout_seconds":300}],"pay_to_divergence":null},{"id":"799c7287-e82f-4132-9d2b-f63ba5fcf917","method":"GET","path":"/web/audit","description":"Website audit in one call: HTTP security headers (HSTS, CSP, clickjacking, cookies, mixed content), on-page SEO (title, meta description, h1, canonical, noindex, robots.txt, sitemap, Open Graph, structured data), static WCAG 2.1 accessibility checks (alt text, labels, link and button names, lang, zoom), server response time and page weight, and the tech stack. Findings with severity and a 0-100 score per section. Repeat audits list what changed since the previous one.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-11-11T20:42:25.513Z","last_seen_at":"2026-11-11T22:20:02.878Z","variable_amount":false,"min_price_usd":0.05,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"50000","price_usd":"0.0500000000","pay_to":"0x2ECB9E1fcca7A62758c679F11bC3241466d181d8","max_timeout_seconds":300}],"pay_to_divergence":null}],"pay_to_changes":[],"assessment":{"updated_at":"2026-11-11T20:43:07.762Z","input_hash":"adc206b5f8d9f2353c18575318531417f31007235387ad1e2f9448ccc2faf1ce","model_id":null,"prompt_version":null,"reliability":{"uptime":{"24h":null,"7d":null,"30d":null,"90d":null},"response_p95_ms":186,"avg_response_ms":186,"last_checked_at":"2026-11-11T20:43:01.857Z","consecutive_failures":-1,"total_checks":1},"compliance":{"grade":"A","passed":14,"total":14,"checks":[{"id":"payload_captured","label":"402 payload captured","pass":true},{"id":"accepts_present","label":"accepts[] array present","pass":true},{"id":"payto_recoverable","label":"payTo address recoverable","pass":true},{"id":"payto_conformant","label":"payTo at accepts[0].payTo (conformant shape)","pass":true},{"id":"payto_shape","label":"payTo is a valid on-chain address","pass":true},{"id":"price_present","label":"atomic price declared","pass":true},{"id":"price_sane","label":"atomic price in a sane range","pass":true},{"id":"asset_declared","label":"asset (token) address declared","pass":true},{"id":"network_caip2","label":"network resolves to CAIP-2","pass":true},{"id":"scheme_declared","label":"payment scheme declared","pass":true},{"id":"transport_https","label":"served over HTTPS","pass":true},{"id":"x402_version_current","label":"declares the current x402 version (2)","pass":true},{"id":"eip712_domain_extra","label":"EIP-712 domain parameters present on every EVM entry","pass":true},{"id":"version_channel_coherent","label":"x402 v2 envelope delivered in the payment-required header","pass":true}],"pay_to_source":"payTo","pay_to_location":"accept","staleness":{"probe_failing":false,"last_success_at":"2026-11-11T22:20:03.609Z","envelope_captured_at":"2026-11-11T20:43:01.857Z"}},"site":{"homepage":true,"openapi":true,"pricing":false,"llms_txt":false,"robots":true,"terms":false,"checked_at":"2026-11-11T20:43:06.435Z"},"domain":{"age_days":18,"registrar":"CloudFlare, Inc.","free_host":false,"created_date":"2026-10-24T05:53:57.178Z","checked_at":"2026-11-11T20:43:07.156Z"},"economics":{"price_usd":0.003,"price_atomic":"3000","model":"tiered","category_percentile":33,"stability":1,"price_max_usd":0.05,"category_percentile_max":58,"endpoint_count":8,"distinct_price_count":4},"risk":{"level":"clean","flags":[]},"synthesis":null,"traction":null}},"provenance":{"license":"CC-BY-4.0","attribution_required":true,"attribution":"Data: x402-list.com (CC BY 4.0)","cite_as":"https://x402-list.com/services/onchaincheck","source":"https://x402-list.com"}}