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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3,044 results- Ppagewatch.zenith-ops.workers.devImages, audio & video
Same as the free /v1/extract but without the 30 requests per day limit: fetch one public static HTML or JSON page and return structured data (text, attr, list, table, price, events, page, links, json) as JSON, CSV or ICS. Honours robots.txt. No JavaScript rendering. Failed calls (4xx/5xx) are not settled.
Basepagewatch.zenith-ops.workers.devfrom $0.0021 endpoint - Ppageproof.alert-crab-1890.chatgpt.siteDeveloper tools
Extract text from a digital PDF into page-numbered JSON with SHA-256 hashes. No account or API key. 0.005 USDC on Base per successful document via x402. Maximum 2 MiB and 25 pages. No OCR, summaries, URL fetching, or verification of document claims.
Basepageproof.alert-crab-1890.chatgpt.sitefrom $0.0051 endpoint - Mmeta-tags-articleImages, audio & video
Bulk extract domains from page: up to 20 urls in one call, processed concurrently, results in input order with a per-item error field and a failure count. Same answer per item as the single endpoint. Batch enrichment for agents that hold a list. $0.10 per batch.
Basepage.intel.rallylive.cafrom $0.015 endpoints - Ppage-readSearch & web
Fetch one public web page now and return clean markdown (or plain text) of the main content plus title, description, author, published time, canonical, language and sha256. Charged only on success.
Basepage-read.agent-audit.workers.devfrom $0.0011 endpoint - Ppadelmaps.orgOther services
Get detailed club information
Basepadelmaps.orgfrom $0.0139 endpoints - Package EvidenceOther services
Deterministic npm package evidence: registry facts, distribution integrity, provenance, and factual flags for coding agents.
Basepackages.melchiorlabs.comfrom $0.0031 endpoint - SSEC Recent Filings x402AI & agents
Find and rank Pennsylvania legal-entity candidates when an agent needs to identify which registered business matches a submitted company name.
Basepa-entity-x402.floot.appfrom $0.0014 endpoints - TTELAGO Domain Age & RDAPSocial & people
Free TELAGO Korea geocode discovery preview for AI agents. Shows the paid $0.001 Korea address geocode endpoint and building-enrichment capabilities without an API key.
Baseozeejewwpjmabshxyitc.supabase.cofrom Free36 endpoints - Oox-alpha-serviceAI & agents
Ping del servizio: restituisce stato servizio, timestamp e identificatore. Endpoint di prova del primo micro-servizio x402.
Baseoxalpha-x402.val.runfrom $0.0011 endpoint - Oorigin-mcp.fly.devCrypto & DeFi
Get holder count and top holders for a token with concentration metrics (HHI)
Baseorigin-mcp.fly.devfrom $0.00113 endpoints - OOrbitwrenAI & agents
Orbitwren: Orbital data centers and space AI compute tracker: every orbital data center project (company, hardware, launch, status, sources), launches, orbits, changes and alerts.
Baseorbitwren.cybermaxtools.comfrom $0.0031 endpoint - OOrbitwrenAI & agents
Orbitwren: Orbital data centers and space AI compute tracker: every orbital data center project (company, hardware, launch, status, sources), launches, orbits, changes and alerts.
Baseorbitwren.cybermax-tools.workers.devfrom $0.0031 endpoint - Oorbit Web ToolsSearch & web
URL health check, $0.001 USDC per call: Is a URL up? Live GET from Cloudflare's edge: final HTTP status, every redirect hop with status and latency, total ms, content-type/length, server, TLS, and if it answers 402 the decoded x402 payment terms (version, network, amount, payTo, bazaar). Unreachable host is still a delivered verdict (up:false). No params = runs the example input.
Solanaorbit-web.orbit-builder.workers.devfrom $0.0016 endpoints - Oorbit Geo & TimeData & research
Geocode a place or address, $0.001 USDC per call: Forward geocoding from OpenStreetMap (Nominatim): turn a place name or address into up to 5 matches with lat/lon, full display name, type/class, importance, bounding box, and structured address (road, city, state, postcode, country, country_code). Attribution © OpenStreetMap contributors (ODbL). No match returns 404 (not charged). No params = runs
SolanaBaseorbit-geo.orbit-builder.workers.devfrom $0.0016 endpoints - Oorbit Econ DataCrypto & DeFi
Currency conversion (ECB), $0.001 USDC per call: Convert an amount between currencies at the latest (or a historical date's) European Central Bank reference rate: amount, from, one or more targets → converted amounts, rate used, inverse rate and rate date. ~30 fiat currencies; no crypto. No params = runs the example input.
SolanaBaseorbit-econ.orbit-builder.workers.devfrom $0.0015 endpoints - Oorbit Chain ReadsCrypto & DeFi
EVM gas fees, $0.001 USDC per call: Live EIP-1559 gas for Base, Ethereum, Arbitrum, Optimism, Polygon (or all): next base fee, gas price, slow/standard/fast max fee + priority fee in gwei (median of last 20 blocks' 10/50/90th percentile tips), block utilisation, cost of a native transfer. Read from public RPC nodes at call time. No params = runs the example input.
Solanaorbit-chain.orbit-builder.workers.devfrom $0.0015 endpoints - Ooracle-x402-seller-production.up.railway.appOther services
Fast x402 liveness check. Returns ok, UTC timestamp and request latency marker. Useful for agents testing payment and connectivity.
Baseoracle-x402-seller-production.up.railway.appfrom $0.0011 endpoint - OptionsFlowMarkets & finance
Options flow intelligence — unusual activity put/call ratios large block trades
Baseoptions.lonestaroracle.xyzfrom $0.011 endpoint - Oonlinewebdirectory.netAI & agents
How a website treats AI agents, checked now if needed: bot wall, JavaScript, robots rules, llms.txt or feed, and the fetch strategy to use. Charged only when there is an answer.
Baseonlinewebdirectory.netfrom $0.011 endpoint - LLoom Soft PingOther services
Approximate US MFN + China Section 301 duty rates by HS/category ($0.02)
Baseonkjwgtpwjxogcbkxtjr.supabase.cofrom $0.0055 endpoints - OONE EngineCrypto & DeFi
Generate a SHA-512 cryptographic hash from UTF-8 text
Baseone-search.one-engine.workers.devfrom $0.000912 endpoints - Oonchain.scrapemole.workers.devCrypto & DeFi
Use when you need a trustworthy USD price for crypto assets (ETH, BTC, cbBTC, SOL, LINK, AAVE, stablecoins), fiat FX rates (EUR, GBP, JPY…) or metals (XAU, XAG): reads the Chainlink price feed contracts directly from Base or Ethereum in one multicall and returns price, last update time, age in seconds, a stale flag and the feed address so the value is verifiable on-chain. Up to 10 symbols per call
Baseonchain.scrapemole.workers.devfrom $0.0018 endpoints - Oonchain-evm-solana-rug-scannerCrypto & DeFi
Onchain-Risk EVM & Solana Honeypot & Rug Scanner: Audits token contracts across Base, Ethereum, Arbitrum, and Solana for rug-pull vectors.
Baseonchain.agentdiet.devfrom Free1 endpoint - Oonchain-riskCrypto & DeFi
AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat
Baseonchain-risk.agentdiet.devfrom Free5 endpoints - Oonchain-riskCrypto & 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.
Baseonchain-risk-72343955726.us-central1.run.appfrom Free5 endpoints - Oolympusai.duckdns.orgData & research
Bounty legitimacy check for a GitHub repo or issue: merge speed, payout signals, trap and pile-up red flags, and a verdict (likely_pays / unproven / avoid). Deterministic, public-data evidence.
Baseolympusai.duckdns.orgfrom $0.011 endpoint - Oold-faithful.up.railway.appOther services
No description yet.
Baseold-faithful.up.railway.appfrom $0.011 endpoint - AArgonautWorks ECB FX ReferenceMarkets & finance
Source-cited ECB foreign-exchange reference conversion with explicit cross-rate math. Underlying ECB statistics are available free; the fee covers validation, calculation, and machine-ready delivery.
Baseofficial-fx-reference.vercel.appfrom $0.00151 endpoint - Oodds-polymarket-live-odds-feedMarkets & finance
Macro-Odds Real-Time Polymarket Prediction Market Stream: Streams live prediction market implied probabilities, volume, and orderbook depth.
Baseodds.agentdiet.devfrom Free1 endpoint - Nnuza.ioOther services
No description yet.
Solananuza.iofrom $0.00521 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.