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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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2,935 results- Xx402toll.comSocial & people
Tip amount, total, and per-person split for a restaurant bill.
Basex402toll.comfrom $0.012 endpoints - VVINCAPMarkets & finance
Wine stocks earnings calendar: every results date, AGM and dividend of listed wine companies (Treasury Wine Estates and more), sourced, with the recorded outcome, in one call. Not investment advice.
Basevincap.cofrom $0.013 endpoints - AAgent Transaction TrustCrypto & DeFi
Authorize an AI-agent payment under a predelegated spending policy before funds move. Verify that the merchant's exact x402 challenge, amount, payer, payee and HTTP request are within authority already delegated to the agent. No synchronous human approval is required when the predelegated policy permits the purchase. Includes signed authorization plus post-payment on-chain settlement verification
Basejson-repair-api-9ybv.onrender.comfrom $0.0015 endpoints - Xx402 CartographerCrypto & DeFi
Ranks live x402 endpoints for a task such as 'web search', 'token price' or 'pdf to text'. Returns up to 10 endpoints ranked by text match, 7-day liveness probes and on-chain USDC payer counts. Not charged when nothing matches.
Basefinder.marknetic.co.ukfrom $0.0055 endpoints - EEagle EyeCrypto & DeFi
Eagle Eye v1.0.0 — U.S. enterprise-grade wallet compliance screening. OFAC SDN + Circle USDC blacklist on Base. Signed audit receipts. Certified single-address check.
Baseeagle.quickai.buildfrom $0.0051 endpoint - Aapi.phoneagent.xyzSocial & people
PhoneAgent — full directory of services with rentable SMS phone numbers for AI agents. Returns 1,000+ service aliases: Telegram, WhatsApp, Google, Facebook, Instagram, Twitter/X, Discord, Apple, PayPal, OpenAI/ChatGPT, Claude, plus crypto/Web3 onboarding (Alchemy, Coinbase, Binance, Bybit, OKX, Kraken, Robinhood, ...). Use `other` for any platform not separately listed. Each entry shows the alias
Baseapi.phoneagent.xyzfrom $0.012 endpoints - Aapi.obeliskapp.ioSearch & web
Search Obelisk's curated spy ad catalog when you need competitor creative examples by keyword, brand, or platform. Returns JSON ad cards. Use limit=1 for a cheap first call.
Baseapi.obeliskapp.iofrom $0.011 endpoint - MM2M SentinelCrypto & DeFi
How deep is liquidity for tracked Base tokens and how much is actually trading, with the source named, for sizing an order or declining one.
Baseapi.m2msentinel.comfrom $0.0053 endpoints - Aapi.alexstokes.comSearch & web
UK tenders and public procurement search for apps, automations and AI agents. Search UK government contract notices from Find a Tender by keyword, CPV, delivery region, deadline and value. Returns up to 25 structured notices with buyers, deadlines, values and official source links where available. Bounded ingestion window, not all UK contracts; check free /status. Successful empty searches are cha
Baseapi.alexstokes.comfrom $0.011 endpoint - Xx402.dellbot.winAI & agents
Mid-tier OpenAI-compatible chat completion. Qwen3 235B (instruct/thinking/VL/next), DeepSeek V3.2, GLM 5.2, venice-uncensored 1.2, GLM 4.6/4.7, Kimi K2.5, MiniMax M3 Preview, Nemotron 3 Ultra 550B, DeepSeek V4.1 Flash, Gemma 4 26B. Supports tools/tool_choice and stream:true SSE.
Basex402.dellbot.winfrom $0.0031 endpoint - Mmonitor.memoryapi.orgData & research
x402 API activity stats — top endpoints by paid calls, trend data, and unique payer counts from memoryapi.org nginx logs.
Basemonitor.memoryapi.orgfrom $0.0011 endpoint - Mmesh402.wreckbots.ioSearch & web
Read a public web page as it is seen from up to 3 countries (residential and datacenter vantage points), returned as clean text with title and language, plus whether the countries see the same content. Respects robots.txt and Content-Signal. Not charged if the page cannot be read.
BaseSolanamesh402.wreckbots.iofrom $0.0023 endpoints - Lliquita-x402-edge.liquita.workers.devCrypto & DeFi
Real-time at-risk DeFi borrowers across Aave V3, Morpho, Comet, Euler V2, Fluid, Moonwell, Spark on 11 EVM chains. Returns health factor, collateral, debt, and protocol. Updated every 5 minutes from the liquita liquidation engine.
Baseliquita-x402-edge.liquita.workers.devfrom $0.0012 endpoints - Kk-data-x402-production.theblack1022.workers.devMarkets & finance
Current USD/KRW exchange rate (ECB reference via Frankfurter, fallback open.er-api.com).
Basek-data-x402-production.theblack1022.workers.devfrom $0.0052 endpoints - Ggas.genexxis.comCrypto & DeFi
Current gas on one EVM chain: base fee and slow/standard/fast priority fee in gwei, and USD cost of a native transfer, an ERC-20 transfer and a Uniswap swap including the L1 data fee on rollups.
Basegas.genexxis.comfrom $0.0022 endpoints - Ccode-toll-production.up.railway.appOther services
Diagnose a failed x402 payment. Returns structured error code, human explanation, and exact fix. Example: /diagnose?error=insufficient_funds&balance=0.003&required=0.01
Basecode-toll-production.up.railway.appfrom $0.014 endpoints - CCelerAPISearch & web
Search authoritative company registries by company name to resolve candidate legal entities and registration identifiers. Currently supports the United Kingdom (GB) and Norway (NO), with expanding jurisdiction coverage. Results are public-register evidence, not a KYC or KYB compliance determination.
Basecelerapi.comfrom $0.0051 endpoint - MMercer x402 (hub probe)Crypto & DeFi
Settlement canary: returns a timestamped pong JSON after USDC micropayment. Use to verify x402 client + wallet + facilitator end-to-end.
Basex402.lucidcove.orgfrom $0.0011 endpoint - Xx402-v2-mint-wikidata-entity.vercel.appSearch & web
Wikidata entity lookup (CC0, keyless). Q-id and/or search → trimmed labels/descriptions/aliases + small claim set.
Basex402-v2-mint-wikidata-entity.vercel.appfrom $0.0031 endpoint
JoJ APIOther servicesSpotify — GET /v2/album/detailsAndTracks (v2/Album details & tracks)
Basespotify.jojapi.netfrom $0.012 endpoints- RRecords for AgentsSearch & web
Search US federal product recalls (CPSC consumer products, FDA food/drug/device enforcement, NHTSA vehicle campaigns, and USDA FSIS meat/poultry recalls through 2026-10-22) by free-text query, firm name, date range, and source.
Baserecalls.recordsforagents.comfrom $0.011 endpoint - Ccanary.countersignpay.comCrypto & DeFi
Current Base mainnet block height and base fee per gas in wei, read from the chain at request time
Basecanary.countersignpay.comfrom $0.011 endpoint - 55108-x402.community.iamstarchild.comCrypto & DeFi
Get real-time spot price and market data for a cryptocurrency
Base5108-x402.community.iamstarchild.comfrom $0.0021 endpoint - Nnooscape.siCrypto & DeFi
Nooscape pre-flight check on an AI agent in an on-chain registry (ERC-8004, Solana), a wallet that registers agents, or an endpoint host: dated flags for first seen, ownership changes, revoked ratings and fleet, with sources. No score, no verdict.
BaseEVM chain 5042nooscape.sifrom $0.011 endpoint - LLatest Cars 2026Data & research
Educational briefing on the latest cars in 2026 (powertrains, range, pricing, and what's new).
Basecars2026.vercel.appfrom $0.00111 endpoint - SSCV ApprovalsCrypto & DeFi
SCV Approvals: active token approvals of a wallet (unlimited/unknown spender detection) for $0.01 USDC via x402
Basescv-agent.onlinefrom $0.0055 endpoints - Ppredict.rdxdata.xyzData & research
Prediction Market Arbitrage Report for matched Polymarket and Kalshi events.
Basepredict.rdxdata.xyzfrom $0.011 endpoint
TickerLayerCrypto & DeFiReturns historical OHLCV bars for one currency pair between two UTC dates, inclusive, at 1, 5 or 15 minute, 1 or 4 hour, or daily size, paged with limit and offset. Priced by the page size requested, in three tiers: up to 100 bars, up to 500 (the default) and up to 1,000. One request covers at most 31 days of 1-minute bars, 90 of 5-minute, 180 of 15-minute, 365 of hourly, 730 of 4-hour and 5,000 o
Baseagents.tickerlayer.comfrom $0.012 endpoints- Xx402.hydratrader.aiAI & agents
Sentiment classification: Verb-path alias of POST /v1/cheap-errand ($0.01 USDC). Same handler + payment terms; path defaults task=sentiment when body.task omitted. Cheap agent glue for buyer-supplied text. Base via x402. No API key.
Basex402.hydratrader.aifrom $0.019 endpoints - Ttravel-agent.forgemesh.ioMarkets & finance
Returns a short list of transit provider matches (name, ID, transportation modes) for a location and transport type. Use to identify rail, metro, bus, or ferry options before booking.
Basetravel-agent.forgemesh.iofrom $0.014 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.