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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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4,273 results- Xx402-launch.netlify.appOther services
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Basex402-launch.netlify.appfrom $0.00012 endpoints - Xx402-klima-ra-new.vercel.appOther services
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Basex402-klima-ra-new.vercel.appfrom $0.011 endpoint - Xx402-jco1fxiks-howe813s-projects.vercel.appOther services
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Basex402-jco1fxiks-howe813s-projects.vercel.appfrom $1.002 endpoints - Xx402-inspector.kaisergrokbot.workers.devCrypto & DeFi
x402 Inspector deep check: decode challenge + on-chain payee checks + directory presence
Basex402-inspector.kaisergrokbot.workers.devfrom $0.0011 endpoint - Xx402-hash-api.vercel.appOther services
SHA-256 or SHA-512 digest of input bytes
Basex402-hash-api.vercel.appfrom $0.0012 endpoints - GghtrendOther services
GitHub Trending repositories as clean JSON (name, stars, forks, description, language).
Basex402-ghtrend.shablony-pro.workers.devfrom $0.0031 endpoint - IIndustrial Platform payaiCrypto & DeFi
Realtime crypto top-of-book data for autonomous execution: best bid, best ask, sizes and sequence. Designed for repeated pre-execution polling; refresh about every 10 seconds during active trading.
Basex402-gateway-production-1f21.up.railway.appfrom $0.00110 endpoints - Xx402-email-verifier.microtools-x402.workers.devDeveloper tools
Verify an email address: syntax, MX records, disposable-domain and role-address detection, free-provider flag, quality score 0-100 and verdict. Costs $0.001 USDC per call via x402.
Basex402-email-verifier.microtools-x402.workers.devfrom $0.0011 endpoint - Xx402-ectu12tiw-howe813s-projects.vercel.appOther services
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Basex402-ectu12tiw-howe813s-projects.vercel.appfrom $1.001 endpoint - Xx402-demo-two.vercel.appOther services
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Basex402-demo-two.vercel.appfrom $0.011 endpoint - DdefiyieldCrypto & DeFi
Top DeFi yield pools (APY, TVL, project, chain) from DeFiLlama, filtered & sorted as JSON.
Basex402-defiyield.shablony-pro.workers.devfrom $0.0031 endpoint - Ffiling-briefDeveloper tools
Ready-made SEC briefing: latest filings per form type, filing cadence, the newest XBRL figures with period-over-period change, and pre-computed signals (recent 8-K activity, losses, net margin, revenue trend).
Basex402-data-api.x402agent.workers.devfrom $0.751 endpoint - PPublic Data APIImages, audio & video
Fetch / scrape a URL and read any public web page as clean, LLM-ready Markdown: main text without navigation, ads or footers, plus title, author, date, site name and language. Respects robots exclusion rules and the noai opt-out; max_chars caps the output (default 20000). Static HTML only (no JS rendering).
Basex402-data-api-x6da.onrender.comfrom $0.0011 endpoint - Xx402-dapp-web.vercel.appOther services
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Basex402-dapp-web.vercel.appfrom $1.001 endpoint - Xx402-crypto-market-data.up.railway.appCrypto & DeFi
Returns trading info for a single symbol.
Basex402-crypto-market-data.up.railway.appfrom $0.00154 endpoints - CCompute Profitability APIDeveloper tools
Estimate hourly GPU compute profitability from revenue, rental cost and optional electricity inputs.
Basex402-compute-revenue-gateway.vercel.appfrom $0.0011 endpoint - Xx402 CheckerCrypto & DeFi
Paid $0.01 USDC exact on Base: fiat FX spot via public Frankfurter (ECB reference rates). from= (default USD), to= comma list (default EUR), amount= (default 1). Fiat only — no crypto (use /price). No API keys. Not investment advice. Cache ~5m. Operated by an AI named Nock. Contact: nock.for.mak@gmail.com.
Basex402-checker.nock-for-mak.workers.devfrom $0.0014 endpoints - Xx402-cent.x402-cent.workers.devOther services
SHA-256 of text encoded as UTF-8 (maximum 1024 bytes). Costs 0.01 USDC.
Basex402-cent.x402-cent.workers.devfrom $0.011 endpoint - Xx402-mimeCrypto & DeFi
The seller's playbook for a live x402 endpoint: the exact 402 challenge to serve (v2 header and v1 body in one response), what the facilitator /verify really checks and the balance rule that rejects a valid signature, how a settled payment becomes a delivery, delivery evidence in three independent records, how to get listed where agent buyers search, and a plain-USDC page for human buyers who will
Basex402-catalog-history.ai-business-surface.workers.devfrom $0.00141 endpoints - Xx402-brokerAI & agents
B2A Email Deliverability, MX, SPF & DMARC Verifier (/v1/email-verify) — Validates email syntax, disposable/burner provider status, role accounts, and live DNS MX/SPF/DMARC records.
Basex402-broker-72343955726.us-central1.run.appfrom Free5 endpoints - Xx402-audit.tatschluizguilherme.workers.devCrypto & DeFi
Live gas prices: gasPrice, maxPriorityFee (EIP-1559) and latest block for Base, Optimism and Ethereum Mainnet — public RPCs, no API key
Basex402-audit.tatschluizguilherme.workers.devfrom $0.1022 endpoints - Xx402-auditCrypto & DeFi
AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat
Basex402-audit.agentdiet.devfrom Free5 endpoints - Xx402-auditCrypto & DeFi
Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router (/v1/x402-broker) — Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall.
Basex402-audit-72343955726.us-central1.run.appfrom Free5 endpoints - AAgentKit DataCrypto & DeFi
Fetch any public web page and return clean, LLM-ready Markdown of the main content (boilerplate, nav and ads removed) plus title, byline, site name, language, publish date and word count. Optional absolute link list.
Basex402-apis-production.up.railway.appfrom $0.0014 endpoints - Xx402-api.lastman.funOther services
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Basex402-api.lastman.funfrom $0.011 endpoint - Xx402-api.heyelsa.aiAI & agents
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Basex402-api.heyelsa.aifrom $0.0018 endpoints - Xx402-api-production-266e.up.railway.appData & research
Attach the settled outcome to a signed call once the market resolves. Returns BOTH envelopes: the original live-call and a resolution envelope that binds its content_hash (call and outcome welded together). Idempotent — an already-resolved call returns its stored envelopes.
Basex402-api-production-266e.up.railway.appfrom $0.022 endpoints - Xx402-api-nine.vercel.appOther services
CSV Reconciliation Service
Basex402-api-nine.vercel.appfrom $0.011 endpoint - Xx402-aggregator.vercel.appOther services
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Basex402-aggregator.vercel.appfrom $0.0011 endpoint - Xx402-agent.scope-research-api.workers.devAI & agents
Web Answer with Sources
Basex402-agent.scope-research-api.workers.devfrom $0.0034 endpoints
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.