Explore APIs
Every pay-per-call x402 API we can find, ranked by what agents actually pay for. No accounts, no API keys.
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4,273 results- MMoltGuardCrypto & DeFi
Wallet risk score 0-100 with component breakdown for an EVM address.
Baseapi.moltrust.chfrom $0.051 endpoint - Aapi.getparthound.comAI & agents
Product sourcing API for AI agents. Find hard-to-source, discontinued, obsolete, and replacement products or parts across online sellers. Return ranked purchase-ready matches with source URLs, availability, pricing, confidence scores, and verification evidence.
Baseapi.getparthound.comfrom $0.251 endpoint - Aagent-msb-verify.iykykblog.workers.devAI & agents
Verify whether a business is a registered money services business (MSB) with FinCEN. Returns registration status, MSB activities (money transmitter, check casher, etc.), DBA names, and address. Public-domain FinCEN data.
Baseagent-msb-verify.iykykblog.workers.devfrom $0.101 endpoint - Aagent-lobbyist-screen.iykykblog.workers.devAI & agents
Screen a company or organization against U.S. federal lobbying disclosure (Senate LDA) filings: is it a registered lobbying firm, who lobbies for it, how much is reported, and on what issue areas. Public-domain federal data (2 U.S.C. 1605).
Baseagent-lobbyist-screen.iykykblog.workers.devfrom $0.081 endpoint - Aagent-insider-flow.iykykblog.workers.devMarkets & finance
SEC Form 4 insider transactions by ticker or insider name: open-market buys/sells, grants, exercises and other reported transactions with shares, price, and value. Trailing 12 months of public-domain SEC EDGAR bulk data (Forms 4/4-A, non-derivative transactions).
Baseagent-insider-flow.iykykblog.workers.devfrom $0.081 endpoint - Aagent-healthcare-exclusions.iykykblog.workers.devSocial & people
Check whether a person or entity is excluded from federal healthcare programs (HHS OIG LEIE). Returns potential matches with exclusion type, date, and location. Public-domain HHS OIG data; name-only matches are potential matches, confirm at exclusions.oig.hhs.gov.
Baseagent-healthcare-exclusions.iykykblog.workers.devfrom $0.121 endpoint - Aagent-foreign-agent-screen.iykykblog.workers.devSocial & people
Check whether a firm or person is a registered foreign agent under FARA (Foreign Agents Registration Act), and which foreign principals they represent. Returns registrant records with foreign principals, countries, registration dates, and active/terminated status. US DOJ FARA eFile bulk data (public).
Baseagent-foreign-agent-screen.iykykblog.workers.devfrom $0.081 endpoint - AAcePilotCrypto & DeFi
Concentrated-liquidity range evidence for one Aerodrome Slipstream pool on Base: the narrowest price range that stayed in range for a target share (80/90/95 %) of the last 24-720 h, with in-range %, out-of-range episodes, hourly coverage and block-level evidence from on-chain observations. Useful when choosing or re-centring an LP range. Refused or stale queries return 4xx/503 before any payment.
Baseaeroacepilot.xyzfrom $0.041 endpoint - TTrust Center Directory APISocial & people
One organization's public tier as on its profile page: timeline, posture checks, published controls, BAA claim, advertised frameworks, subprocessor and AI-provider counts, chain-trust ratio and hiring count. Price: $0.01 flat per profile.
Basesynergetic.solutionsfrom $0.011 endpoint - Xx4o2 StonkFun On-chain DataCrypto & DeFi
Recent verified LaunchLab pools; unknown creation times remain null
BaseSolanastonkfun.x4o2.comfrom $0.0011 endpoint - Ccs-probe lt<gt> okOther services
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Baseog.169-58-40-14.sslip.iofrom $0.0011 endpoint - LLast PriceDeveloper tools
One priced computation on the Last Price Pricing Compute Network (POST /api/compute/price).
Baselast-price.aifrom $0.011 endpoint - Jjp-entity-evidence-production.mk-career-planning.workers.devOther services
Same check as entity_evidence_check for 1-10 Japanese organizations in one call (by corporate number, exact name or registration number): per company the full evidence with each section's source, retrieval time, version date and what was not checked, plus a summary counting resolved, name-only, ambiguous, not found and unknown, and unavailable sources. Ambiguous names are never resolved by guess.
Basejp-entity-evidence-production.mk-career-planning.workers.devfrom $0.101 endpoint - FFLINTTECHAI & agents
FLINTTECH Weekly Minneapolis Permit Report: live stats for the last 7 days of City of Minneapolis construction permits, by trade (count, total and median job value), value bands, top contractors and neighborhoods. No input needed; returns JSON.
Baseflinttech-x402.f1intt3ch.workers.devfrom $0.051 endpoint
bursar-provider.bursar.workers.devCrypto & DeFiLive Chainlink price of a tokenized US stock or ETF on Robinhood Chain (SGOV, SPY, NVDA, AAPL, AMZN, BABA, COIN, CRWV, DELL, GOOGL, META, MSFT, ORCL, PLTR, SPCX, TSLA, USO), with the token and feed addresses and when the feed last updated.
BaseRobinhood Chainbursar-provider.bursar.workers.devfrom $0.0011 endpoint- Bblockrun-staging-620a57a-205005-vbsbhh7lea-uc.a.run.appAI & agents
AI chat completions API - pay per request with USDC on Base
Baseblockrun-staging-620a57a-205005-vbsbhh7lea-uc.a.run.appfrom $0.0021 endpoint - Bblockrun-staging-258d151-211559-vbsbhh7lea-uc.a.run.appAI & agents
AI chat completions API - pay per request with USDC on Base
Baseblockrun-staging-258d151-211559-vbsbhh7lea-uc.a.run.appfrom $0.0021 endpoint - Bblockrun-staging-258d151-210410-vbsbhh7lea-uc.a.run.appAI & agents
AI chat completions API - pay per request with USDC on Base
Baseblockrun-staging-258d151-210410-vbsbhh7lea-uc.a.run.appfrom $0.0021 endpoint - SSanta Fe & ABQ Kids ProgramsSearch & web
Search kids' camps, classes and lessons in Santa Fe and Albuquerque, NM by city, age, max price, month, type, category or season. Returns dates, hours, prices, location, registration status, contact, source link and last-verified date.
Baseapi.thekassamgroup.comfrom $0.011 endpoint
Speech is CheapImages, audio & videoTranscribe prerecorded audio or video at a public URL. Send JSON with input_url and input_duration in seconds, then pay the quote with native USDC on Base. Replay the paid request until it returns a job ID. Receive transcripts by webhook or by polling the free status route. Transcription costs $0.002 per audio minute, $0.01 minimum. Optional speaker labels, word timestamps, and audio labels add se
Baseapi.speechischeap.comfrom $0.011 endpoint- AAgentFilingsMarkets & finance
Latest filings for a ticker, optionally filtered by form type.
Baseapi.agentfilings.comfrom $0.011 endpoint - ZZeroWorker MCP Trust GateCrypto & DeFi
MCP security checks and feedback for users and developers. Choose paid access without reports, or ongoing free access within limits: POST /v1/client-token; 1 check/24h + 1 for a previous-use report. Check URL/DNS, metadata/schema/auth, OSV/CVE risk and catalog drift before connecting. Verified owners can read consented weekly reports. ALLOW/BLOCK/UNKNOWN uses caller-confirmed versions. No tool exe
BaseSolanazeroworker-mcp-preflight-api.zeroworker-lab.workers.devfrom $0.0051 endpoint - Xx402scanOther services
Paginated list of merchants (top recipients by volume)
Basex402scan-git-router-117-merit-systems.vercel.appfrom $0.011 endpoint - CCzech, EU & global company dataMarkets & finance
Official Czech National Bank daily FX fixing (CZK per unit) as JSON, optionally for a past date.
Basex402.tuancodes.workers.devfrom $0.0021 endpoint - Xx402.fablerlabs.comCrypto & DeFi
Scan text for accidentally-committed secrets (API keys, tokens, private keys) before you publish it.
Basex402.fablerlabs.comfrom $0.0014 endpoints - Xx402.dtelecom.orgOther services
Purchase microcredits for gateway services
BaseSolanax402.dtelecom.orgfrom $5.001 endpoint - Xx402-v2-mint-zenodo-record-lookup.vercel.appCrypto & DeFi
Zenodo records lookup (keyless). POST {q} and/or {record_id?,size?}. Empty → 404 not charged. Board swap vs openfda-device-event.
Basex402-v2-mint-zenodo-record-lookup.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-zenodo-communities.vercel.appSearch & web
Zenodo communities search (keyless). POST {q|query}/{size?}. Empty -> 400 not charged. Adjacent to zenodo-record.
Basex402-v2-mint-zenodo-communities.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-ygoprodeck-card.vercel.appOther services
YGOPRODeck Yu-Gi-Oh card lookup (keyless). POST {name|fname|id}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose scryfall-cards. Response trimmed (no full card_sets dump).
Basex402-v2-mint-ygoprodeck-card.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-worms-aphia-lookup.vercel.appOther services
WoRMS Aphia marine taxonomy lookup (keyless, marine-scoped). POST {q|name|scientificname}. Empty -> 400 not charged.
Basex402-v2-mint-worms-aphia-lookup.vercel.appfrom $0.021 endpoint
Service data comes from the Coinbase CDP and PayAI discovery lists and refreshes every few hours. Usage is paid calls over the last 30 days. APIs launched here are verified by us; the rest are paid directly to their owners.