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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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- Paid calls · 30 days
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Other services
933 results- Wwebsearch--gw.swerver.netOther services
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Basewebsearch--gw.swerver.netfrom $0.013 endpoints - Wwebmaillookup.comOther services
Look up webmail provider information
Basewebmaillookup.comfrom $0.0051 endpoint - Wwebdesigner.laOther services
Mobile LCP, Core Web Vitals, LocalBusiness/Organization JSON-LD schema check, and live side-by-side white-label preview scorecard ($0.05 USDC on Base Mainnet).
Basewebdesigner.lafrom $0.051 endpoint - Wweb-production-8136ee.up.railway.appOther services
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Baseweb-production-8136ee.up.railway.appfrom $0.021 endpoint - DDevrynoOther services
Name, symbol and decimals for an ERC-20 on Base. $0.002 USDC on Base.
Basevolkov.evgeny.m2.fvds.rufrom $0.0016 endpoints - Vvm2-workflow-x402.onrender.comOther services
One public GitHub Actions source-file static preflight, read anonymously from GitHub Contents API. No buyer-supplied host, no code execution, no private repository or credentials.
Basevm2-workflow-x402.onrender.comfrom $0.021 endpoint - Vvizor-api.vercel.appOther services
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Solanavizor-api.vercel.appfrom $0.012 endpoints 
402xAgent CheckOther servicesx402 Endpoint Spot-Check: SSRF-safe probe of a public URL for an x402 PAYMENT-REQUIRED challenge. Never pays the target. $0.01 USDC on Base after 1 free check per UTC day.
Baseverified-catalog-lookup.withgrokbot.workers.devfrom $0.012 endpoints- Vverdict.scriptmasterlabs.comOther services
SML Verdict Protocol decision receipt
Baseverdict.scriptmasterlabs.comfrom $0.012 endpoints - NNAIF EU Web IntelligenceOther services
Fast European HTTP status and TLS preview
Basev2202609421025522662.hotsrv.defrom $0.0011 endpoint - Vv1.xpay402.netOther services
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Basev1.xpay402.netfrom $1.001 endpoint - Vv0-x402-endpoint-creation-o5.vercel.appOther services
Get a random inspirational quote
Basev0-x402-endpoint-creation-o5.vercel.appfrom $0.011 endpoint - Uusdc-receipt-verifier.soloearn.workers.devOther services
Verify that a Base mainnet transaction paid at least N USDC to an address (optionally from a given sender, with K confirmations). Returns matched transfer, block time and confirmations. Read-only.
Baseusdc-receipt-verifier.soloearn.workers.devfrom $0.0051 endpoint - Uunderscoredone.comOther services
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Baseunderscoredone.comfrom $0.012 endpoints - Uuncorrupting-undeviatingly-buford.ngrok-free.devOther services
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Baseuncorrupting-undeviatingly-buford.ngrok-free.devfrom $0.0011 endpoint - Ttwit-api-production-de12.up.railway.appOther services
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Basetwit-api-production-de12.up.railway.appfrom $0.0055 endpoints - Ttry402.funOther services
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Basetry402.funfrom $0.052 endpoints - Ttropir.xyzOther services
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Solanatropir.xyzfrom $0.101 endpoint - TToolMint x402 Listing DoctorOther services
Lint any x402 endpoint the way buyer agents and Bazaar catalogs see it: unpaid probe, decoded 402, accepts/bazaar/well-known/openapi checks, scored fix list (GET /check?url=https://...)
Basetoolmint-x402-doctor.toolmint.workers.devfrom $0.011 endpoint - Ttoolmint-usgs-earthquakes-json.toolmint.workers.devOther services
Near-me 7-day summary around lat/lon
Basetoolmint-usgs-earthquakes-json.toolmint.workers.devfrom $0.012 endpoints - Ttoolmint-openapi-normalize.toolmint.workers.devOther services
Normalize an OpenAPI 3 / Swagger 2 spec (JSON or YAML): JSON {url|text, tag?, includeDeprecated?}, or a raw JSON/YAML body (max 2 MB)
Basetoolmint-openapi-normalize.toolmint.workers.devfrom $0.021 endpoint 
ToolMint Dep MigrationOther servicesMigration delta by path (?from=&to=)
Basetoolmint-dep-migration.toolmint.workers.devfrom $0.052 endpoints- Ttoolmint-corp-intel.toolmint.workers.devOther services
Company brief: SEC identity + recent filings + Federal Register quoted-phrase hits (query: ticker=AAPL&filings=10&fr=5). 404/422 cancel payment.
Basetoolmint-corp-intel.toolmint.workers.devfrom $0.051 endpoint - Ttoolmint-citation-verify.toolmint.workers.devOther services
Verify one citation (DOI, arXiv id, title+authors+year, or free-text reference): found?, canonical metadata, field-by-field mismatches, retraction flag. Not-found is a free 404 (v3.1.5).
Basetoolmint-citation-verify.toolmint.workers.devfrom $0.0051 endpoint - Ttoolmint-cisa-kev-json.toolmint.workers.devOther services
Look up one CVE by path
Basetoolmint-cisa-kev-json.toolmint.workers.devfrom $0.012 endpoints - Ttoolbelt402.catalystdesk.workers.devOther services
URL → clean Markdown. Main article text, title, byline, word count.
Basetoolbelt402.catalystdesk.workers.devfrom $0.0023 endpoints - Ttiresapi.comOther services
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Basetiresapi.comfrom $0.0011 endpoint - Ttip.mdOther services
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Basetip.mdfrom $0.101 endpoint - Tthree.wsOther services
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Basethree.wsfrom $0.0011 endpoint - Ttheoddsgap.comOther services
Ask a sports betting price question in plain English and get an answer from The Odds Gap's own scans of US sportsbooks and prediction-market exchanges: where a bet pays the most, a hedge, a parlay price, or a game's board. Each answer gives the time of the scan and a link to the matching page on theoddsgap.com. Information only: it places no bets and gives no picks. 21+. Gambling problem? Call 1-8
Basetheoddsgap.comfrom $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.