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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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2,879 results- Ggrizzly-x402.onrender.comCrypto & DeFi
Base mainnet wallet summary: ETH + USDC/WETH/cbBTC/DAI balances, tx count, EOA vs contract
Basegrizzly-x402.onrender.comfrom $0.0026 endpoints - Ggovernance.taskhawktech.comOther services
No description yet.
Basegovernance.taskhawktech.comfrom $0.011 endpoint - Ggoogle.comOther services
No description yet.
Basegoogle.comfrom $0.011 endpoint - Ggithub-repo-supply-chain-scanCrypto & DeFi
GitHub-Audit Repository Supply-Chain & Dependency Scanner: Audits open-source repositories for supply-chain risks, CVEs, and secret leaks.
Basegithub.agentdiet.devfrom Free1 endpoint - Ggithub-auditCrypto & DeFi
AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat
Basegithub-audit.agentdiet.devfrom Free5 endpoints - Ggithub-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.
Basegithub-audit-72343955726.us-central1.run.appfrom Free5 endpoints - Ggibai.appSocial & people
Bitcoin and digital-asset adoption scores for the world's 100 largest banks, as CSV. Answers questions like: does a given bank offer Bitcoin custody or trading, how has its position changed, and which banks lead. One row per scoring change since the index began, each with the bank, the activity (custody, trading, stablecoins, tokenization and 12 more), old and new values, a reason, a primary sourc
Basegibai.appfrom $0.015 endpoints - GgofetchImages, audio & video
Returns the fields described by a JSON Schema from one public HTML page (no JavaScript rendering). Charged only when ok is true.
Basegetgofetch.devfrom $0.0052 endpoints - Gget402.aiAI & agents
Fetch a public URL and return its main content as markdown.
Baseget402.aifrom $0.0051 endpoint - Ggenesis.palsus2023.workers.devCrypto & DeFi
Generate a SHA-256 hash and SHA-256 digest for supplied data. Produce a deterministic cryptographic content fingerprint, integrity checksum and verification digest. Price: $0.001 USDC via x402 on Base.
Basegenesis.palsus2023.workers.devfrom $0.0016 endpoints - GGENESIS Release GuardianAI & agents
GENESIS Release Guardian (quick)
Basegenesis-agent-tools.genesisagenttools.workers.devfrom $0.0051 endpoint - Ggas-estimator-production-a95a.up.railway.appOther services
No description yet.
Basegas-estimator-production-a95a.up.railway.appfrom $0.0021 endpoint - Ggambit.barrioenergy.comImages, audio & video
Agent cannot hear. Send audio, get text. It never leaves this Houston box. Whisper large-v3. $0.03 USDC.
Basegambit.barrioenergy.comfrom $0.0052 endpoints - GG-Forge Agent KitAI & agents
Low-cost machine ping for agents and automated services.
Baseg-forge-agent-kit.vercel.appfrom $0.0011 endpoint - Ffunding.payforapi.comSocial & people
Live and historical crypto token prices (BTC, ETH, SOL, any symbol, CoinGecko id or chain:0x… address) — USDC on Base
Basefunding.payforapi.comfrom $0.0056 endpoints - Ffreepik.x402.paysponge.comOther services
Service: Freepik (https://freepik.x402.paysponge.com/v1/sound-effects)
Basefreepik.x402.paysponge.comfrom Free2 endpoints - First Fold Utility ToolOther services
Run a deterministic SHA-256, base64 encode/decode, or UUID utility and return structured JSON.
Basefirst-fold-48h.tatoespitia.chatgpt.sitefrom $0.0011 endpoint - FFigurewell APIMarkets & finance
Figurewell API: Point-in-time SEC XBRL financials: key metrics as first reported, EDGAR acceptance times, as_of filtering, restatement history.
Basefigurewell-api.cybermaxtools.comfrom $0.0041 endpoint - Ffifty-million-agent-gateway.onrender.comCrypto & DeFi
Low-cost live Base mainnet block height, gas price and chain ID for autonomous agents.
Basefifty-million-agent-gateway.onrender.comfrom $0.0051 endpoint - FFERAL JSON GuardOther services
Validate JSON against an optional schema, canonicalize it, and return a SHA-256 fingerprint
Baseferal-tools.vercel.appfrom $0.011 endpoint - Ffeed-reader.bowling-anthony.workers.devOther services
Any RSS, RSS/RDF or Atom feed parsed into one shape: title, link, ISO date, author, summary and categories. Pass since to poll for changes.
Basefeed-reader.bowling-anthony.workers.devfrom $0.0051 endpoint - Ffavpulse.mediaAI & agents
SCOPRI Failure Intelligence — South Korea pre-departure decision API for AI agents. Returns GO/CHECK/HOLD plus GO_WITH_PREP, source-backed failure modes, severity, rescue actions, nearby food/sight fallbacks, navigation and bookable next actions.
Basefavpulse.mediafrom $0.0013 endpoints - FFastX402Images, audio & video
Trace a raster image into an SVG vector: color (vtracer) or black-and-white (potrace); input up to 15 MB, traced at up to 1024 px. Returns a download URL valid for 1 hour, plus the SVG markup inline when it is 100 KB or less (otherwise svg is null)
BaseSolanafastx402.toolsfrom $0.001170 endpoints - Ffarsi-tools normalizeDeveloper tools
Convert a Gregorian (ISO, Western) calendar date to the Jalali, Solar Hijri, Persian or Shamsi calendar used in Iran. Use it to display a date to Iranian users, to schedule work in the Iranian calendar, or to convert a Gregorian deadline into a Jalali date. Returns the Jalali year, month, day and month name.
Basefarsi-tools.johnaio281.workers.devfrom $0.0055 endpoints - FFAR DeskSearch & web
The Federal Acquisition Regulation, current to eCFR, searchable by meaning. FAR Desk's search tool, one call. A pass (POST https://far-desk.quickbeam.workers.dev/pass) covers every call.
Basefar-desk.quickbeam.workers.devfrom $0.011 endpoint - Ffalcon-sol-agents.vercel.appData & research
falcon.sol: Use this before paying an unfamiliar x402 seller. Send a seller host from the free index at /sellers.json; get a verdict (ok, caution, do_not_pay, unknown) built from live unpaid probes of up to 5 of its listed endpoints: liveness, latency, whether each returns a well-formed 402, whether the live price and payTo match what the CDP Bazaar advertises, and delivery signals, plus a deliver
Basefalcon-sol-agents.vercel.appfrom $0.011 endpoint - Ffalcon-sol-agents.falcon-sol.workers.devData & research
falcon.sol: Use this before paying an unfamiliar x402 seller. Send a seller host from the free index at /sellers.json; get a verdict (ok, caution, do_not_pay, unknown) built from live unpaid probes of up to 5 of its listed endpoints: liveness, latency, whether each returns a well-formed 402, whether the live price and payTo match what the CDP Bazaar advertises, and delivery signals, plus a deliver
Basefalcon-sol-agents.falcon-sol.workers.devfrom $0.011 endpoint - Ffalcon.sol docsDeveloper tools
falcon.sol: PDF to plain text or markdown for agents and RAG pipelines. Send a URL or base64 PDF (max 60 pages, 4 MB); get page-by-page text in reading order, with automatic local OCR for scanned pages. format=markdown for headings, bullets and table rows. Empty result is not charged. $0.0025 USDC.
Basefalcon-docs.falcon-sol.workers.devfrom $0.00251 endpoint - RReadr HTTPCheckSocial & people
HTTP endpoint health checker: follows the redirect chain of any URL, reports per-hop status codes, total timing, final URL and response headers. Query params: url (required), maxHops (optional, default 10).
Basefailure.zo.spacefrom $0.00032 endpoints - Ffactorytalk.regevidencehub.comOther services
Deterministic FactoryTalk View tag, digital-alarm, and analog-alarm CSV import preflight. Does not connect to a controller or certify runtime behavior.
Basefactorytalk.regevidencehub.comfrom $0.0071 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.