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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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4,150 results- Uurl-intel-api-production.up.railway.appOther services
Find the right x402 service for any task. Returns matching services with prices and install commands.
Baseurl-intel-api-production.up.railway.appfrom $0.012 endpoints - TTenderDeltaSearch & web
Search explainably qualified EU solar and battery tenders from an explicitly dated TED snapshot
Basetenderdelta-preview.mooncakemonkey1.workers.devfrom $0.011 endpoint - OOn-chain ForensicsCrypto & DeFi
On-chain Forensics API for AI agents: token verdict cards and settle-safe pre-trade screens ($0.02), ERC-20 burn/mint and wallet forensics ($0.05, Base/Ethereum/XRPL), and $0.25 due-diligence memos. Bare URL = $0.02 directory tier; data endpoints at /functions/forensicsApi
Basesolene-fa2010da.base44.appfrom $0.022 endpoints - Ssocialintel.devSocial & people
No description yet.
BaseSolanaPolygon+1socialintel.devfrom $0.011 endpoint
ForgeMesh ShopScoutSearch & webCompare single-seller and split baskets using supplied shipping rules, including free-shipping thresholds and delivery constraints. Estimates exclude tax and duties.
Baseshopscout.forgemesh.iofrom $0.012 endpoints- SScripture LookupOther services
Bible book facts: chapters, testament, order and abbreviations for one of the 66 books, or the full table (1189 chapters).
BaseSolanaPolygon+1scripture.x402tookit.comfrom $0.024 endpoints - WWicked SanityOther services
Verify a claim against supplied context or live web evidence.
Basesanity.wickedapi.comfrom $0.0042 endpoints - Rrekt-ceo-brandification.onrender.comOther services
List Rekt CEO meme templates from the Brandify catalog
Baserekt-ceo-brandification.onrender.comfrom $0.011 endpoint - Rreader-api-production-bde1.up.railway.appOther services
Extract a readable article from supplied HTML, including title, author, language, metadata, clean Markdown, links and tables. Uses Mozilla Readability with a fallback for short pages. No remote fetches or script execution; URLs resolve relative links.
Basereader-api-production-bde1.up.railway.appfrom $0.021 endpoint - BBase Social PulseSocial & people
Raw full-text search over indexed social posts about Base tokens (Farcaster casts; Telegram and news when enabled): query words or phrases, choose sources, since a time. Returns posts with token, source, channel, author, timestamp, excerpt and link, newest first. For social sentiment research, KOL tracking and narrative monitoring on Base.
Basepulse.facts402.comfrom $0.033 endpoints - Ppegproof.comCrypto & DeFi
Current summary row for one Robinhood tokenized-stock token: total supply, treasury balance, multiplier, and whether the queried address is a known look-alike of a tracked token. Identify by ticker or exact contract address. On-chain observations reconstructed from chain event logs, not financial advice.
BaseArbitrumpegproof.comfrom $0.0022 endpoints - PPay Per DemoOther services
Pay once for virtual admission to Agentic Commerce Demo Day
Basepay-per-demo.vercel.appfrom $0.011 endpoint - Ppaid-mcp-opportunity-lab--taylorboucher1.replit.appCrypto & DeFi
Read official Base Uniswap V3 NFT and pool state at one canonical block hash. Reconcile exact token inventory and fee-growth checkpoints against optional reported raw amounts. Return signed discrepancies, reproducible inputs and uint128 accounting semantics. Recorded tokensOwed may include withdrawn principal, not only fees. Read-only; no USD valuation, trading, custody or profitability claim.
Basepaid-mcp-opportunity-lab--taylorboucher1.replit.appfrom $0.011 endpoint - Ooratio-api-production.up.railway.appSearch & web
Find cited Latin or English prayers and historical liturgical source excerpts from Divinum Officium by occasion, language and liturgy, using EmbeddingGemma 2 semantic search.
Baseoratio-api-production.up.railway.appfrom $0.051 endpoint - Mmocks-api-production.up.railway.appData & research
Deterministic synthetic JSON or WireMock fixtures for ten commercial and four government APIs. Selected operations and realistic success/error scenarios, with source provenance.
Basemocks-api-production.up.railway.appfrom $0.051 endpoint - MmadoromiAI & agents
Japanese dream-interpretation agent API. Returns a Gemini-generated full interpretation from madoromi's curated dream-motif knowledge base (result schema agent-dream-insight.full.v1). Japanese output only. Dream text is never stored or logged. Async by default: the paid POST returns a job id in seconds; fetch the result with a plain free HTTP GET (no x402 client) at /api/agent/interpret/result/{jo
Basemadoromi.funfrom $0.011 endpoint - Hhorizon-pulse.vercel.appCrypto & DeFi
Horizon Pulse — real-time crypto market data + momentum signals (BTC/ETH/SOL) tuned for AI agents
Basehorizon-pulse.vercel.appfrom $0.0051 endpoint - GGiftPulseSearch & web
Search Reloadly's gift card catalog (300+ brands, 14,000+ products/denominations across countries). Returns each product's id, brand, country, denomination range or fixed amounts, and sender fee/discount — everything needed to build a POST /api/giftcard/quote call.
BaseSolanaPolygon+8giftpulse.theaslangroupllc.comfrom $0.011 endpoint - Ffiles.camelai.ioDeveloper tools
Upload a file and get a temporary signed URL. Send raw file body with Content-Type header. Returns a URL valid for 1 hour.
BasePolygonSolanafiles.camelai.iofrom $0.0011 endpoint - XX402 DoctorOther services
Full paid x402 diagnostic JSON for a target endpoint.
Basedoctor.promoclube.onlinefrom $0.011 endpoint - AActor, API & Scraper MonitorSearch & web
Catch drift when everything still looks green. Check available Apify Actor run history and sampled output for schema drift and unexpected empty results. Additional checks cover HTTP responses, credential validity and available quota. One paid call returns a timestamped verdict and supporting details. A successful run or valid credential does not guarantee useful data. This endpoint checks once; it
Basedatasourcepulse.comfrom $0.021 endpoint - Ccontract-api-production-c176.up.railway.appData & research
Validate up to ten JSON documents against JSON Schema draft-07 or 2020-12. Returns per-document validity and actionable errors with instance paths. Runs isolated with bounded time and memory; no remote schema loading or automatic data modification.
Basecontract-api-production-c176.up.railway.appfrom $0.021 endpoint
Fizzl BuySearch & webBuy the right paid API for your agent in one call: say what you need ("weather forecast Amsterdam tomorrow", "BTC price", "search the web for x402"). Fizzl picks the x402 service x402 Doctor has seen paying out day after day at a fair price, fills in its input, buys it (up to $0.01) and returns the answer, checked by TypeSafe Jev, with a signed receipt. Nothing is charged when no service delivers.
BaseSolanaxrpl+2buy.fizzl.eufrom $0.021 endpoint- Bbitcoind.appDeveloper tools
Complete list of all Bitcoin Core RPC methods (summaries). One call replaces up to 142 individual lookups. Returns name, category, summary, and parameter count for every method.
Basebitcoind.appfrom $0.0011 endpoint - BBC Childcare RegisterSearch & web
BC Childcare Register: buy one current structured obligation record with original-source citations. Find a relevant ID first with free search at https://getregisters.com/api/v1/agent-search?feed_id=bc-childcare, then buy its agent_offer.url. Current full structured version at purchase; no history or future updates. Licence: https://getregisters.com/agent-licence.html
Basebcchildcare.getregisters.comfrom $0.0052 endpoints - Bbalticdryindex.comOther services
BDI derived indicators (trend, momentum, volatility, regime)
Basebalticdryindex.comfrom $0.011 endpoint - Aapp.aabc.appAI & agents
AABC Base Agent Report
Baseapp.aabc.appfrom $0.011 endpoint - Aapi.trackrecordsui.comCrypto & DeFi
One crypto allocation per day, fixed after the daily close. Since 12 September 2026 each day is fingerprinted on Sui before execution; earlier days were fingerprinted together on 11 September. Past days per call; today's allocation from 07:00 Zurich per call or with a pass. Each day from 2 October 2026 can be checked against Sui without trusting the seller.
Basesuiapi.trackrecordsui.comfrom $0.052 endpoints - Aapi.proxyllm.aiSearch & web
LLM cost scout: send your monthly OpenAI API spend in USD and get back the flat ChatGPT/Codex subscription tier that absorbs it through the ProxyLLM gateway, the exact new monthly total and savings, the live model catalog, and machine-readable signup steps an agent can complete autonomously (email OTP, no browser).
Baseapi.proxyllm.aifrom $0.0051 endpoint - Aapi.pdfzen.siteImages, audio & video
Render a PDF. Pass `template` (one of 45 starter slugs: invoice, receipt, contract, certificate, nda, letter, report, quote, purchase-order, lease-agreement, resume, lab-report, boarding-pass, menu, bank-statement, etc.) or `html` (raw Handlebars HTML). Returns application/pdf bytes. $0.006 USDC per render, no API key, no signup. Full catalog: GET /v1/starters (free). Agent docs: https://pdfzen.si
Baseapi.pdfzen.sitefrom $0.0061 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.