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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- Paid endpoints
- 93K
- Paid calls · 30 days
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4,150 results- Kkronos.forgemesh.ioAI & agents
Returns current market risk state, per-symbol signal streaks, and active cooldown timers — use it as a pre-trade risk gate before acting on any signal. Typical agent tasks: check if BTC or ETH is in cooldown before a trading agent acts, confirm signal streak length for momentum context, gate an autonomous workflow on risk state, or add a safety check ahead of a decision call. Fresh continuously, U
Basekronos.forgemesh.iofrom $0.026 endpoints
Graph AdvocateCrypto & DeFiOn-chain x402 settlement summary for an address from the decentralized x402 Base subgraph on The Graph Network. POST {address}. Returns lifetime stats as payer + recipient (totalPayments, totalVolume, first/last seen), recent 10 payments each direction, facilitator metadata if applicable, plus indexed_through_block for freshness. Decentralized, verifiable. Distinct from /ask. $0.01 USDC on Base.
Basegraphadvocate.comfrom $0.013 endpoints- Ddiet.agentic-jp.comSearch & web
Search current Japanese (JP) National Diet members by name (kanji, kana, or romaji), party, or constituency. Returns matching members with their canonical ids for use with GET /members/:id. Use to resolve a politician name to a record.
BasePolygonSolanadiet.agentic-jp.comfrom $0.0051 endpoint - DDegenGraphCrypto & DeFi
latest pump.fun -> PumpSwap migrations
Basedegengraph.comfrom $0.0015 endpoints
BorderScoutOther servicesUS border wait times: live CBP waits at all 85 US-Mexico and US-Canada land ports of entry, ranked by drive time plus wait for each lane (standard, SENTRI/NEXUS, Ready Lane, FAST) for passenger, commercial or pedestrian traffic. BorderScout
BaseArbitrumPolygon+2borderscout.scalpstream.comfrom $0.011 endpoint- DDCL Trust OracleAI & agents
DCL Trust Oracle. Call only when the text must include the substring AI and must not include "I cannot be held responsible" or "no guarantees". POST JSON {"response","agent_id"}. COMMIT means those checks passed and the action may proceed. NO_COMMIT means do not execute the checked action. Not a tool-call guardrail, prompt-injection detector, or jailbreak screen; use /evaluate/fast for the phrase
Basebazaar.fronesislabs.comfrom $0.018 endpoints - Aapiwitchcraft.duckdns.orgMarkets & finance
Live foreign-exchange spot rate between any two supported currencies via CoinGecko exchange_rates (e.g. USD/EUR, BTC/JPY). Returns cross rate computed from CoinGecko's BTC-denominated rates. x402 pay-per-call on Base USDC — no API key, no subscription. Not historical rates; single spot snapshot per call. Returns 400 on unsupported pair.
Baseapiwitchcraft.duckdns.orgfrom $0.0021 endpoint - Aagentcash-fortune-demo3.vercel.appOther services
Random fortune — fixed price; x402 exact or MPP one-shot
Baseagentcash-fortune-demo3.vercel.appfrom $0.0011 endpoint - AAgent PaycheckAI & agents
Pre-payment risk and usefulness check for AI agents deciding whether to pay an x402 endpoint.
Baseagent-paycheck.onrender.comfrom $0.0021 endpoint - AAgent Artifact PublisherAI & agents
Publish agent-generated files, JSON reports, markdown, or text and return a stable public URL.
Baseagent-artifact-eta.vercel.appfrom $0.0051 endpoint - Xx402swag.comImages, audio & video
x402swag.com — merch store for AI agents and builders. T-shirts, stickers, mugs and custom print-on-demand designs. Full catalog with prices, variants and the exact buy flow in one call.
Basex402swag.comfrom $0.051 endpoint - SSEC, Treasury & Agent UtilitiesMarkets & finance
Every SEC filing by one issuer SINCE a cursor - a delta, not a dump. Requires ?since=YYYY-MM-DD AND ?ticker= or ?cik= (cik wins if both). Optional ?forms=10-K,8-K (also matches /A), ?limit=1..200. Errors: 400 missing_since|missing_issuer|bad_since|bad_ticker|bad_cik|bad_limit, 404 unknown_ticker|unknown_cik, 502 edgar_unavailable, 503 rate_limited_locally. AN EMPTY DELTA IS CHARGED: nothing-change
Basex402.donnyautomation.comfrom $0.015 endpoints - Xx402-v2-mint-readability-metrics.vercel.appOther services
Flesch Reading Ease, FK grade, SMOG, Coleman-Liau, ARI + hard-sentence hotspots. Offline.
Basex402-v2-mint-readability-metrics.vercel.appfrom $0.0021 endpoint - CContact VerifySocial & people
Email verification / validate email: checks if an email address is real and deliverable (SMTP mailbox check), flags disposable, catch-all and role emails. Use before sending, for lead lists, CRM cleanup and sign-up fraud checks. $0.01.
Baseverify-x402.okwithit9.workers.devfrom $0.012 endpoints - Ttokenrisk.genexxis.comCrypto & DeFi
Risk check of an ERC-20 token on Base before buying: upgradeable proxy, owner powers found in bytecode (mint, blacklist, tax change, pause, trading switch), owner share of supply, Uniswap v2/v3 and Aerodrome liquidity in USD. Verdict low/medium/high with reasons.
Basetokenrisk.genexxis.comfrom $0.0053 endpoints - DDevX Token SnapshotCrypto & DeFi
ERC-20 token snapshot in one call on Base, Ethereum, Arbitrum, Optimism, Polygon, Avalanche, BNB Chain: USD price, FDV, total DEX liquidity, top pools (Uniswap V2/V3, Aerodrome, Velodrome, PancakeSwap, Sushi, QuickSwap, Trader Joe...), supply-in-pools/burn/owner holder hints, proxy/owner/mint/blacklist/fee risk flags. Live on-chain reads. 0.003 USDC.
Basetoken-snapshot.nextill-pos.workers.devfrom $0.0031 endpoint
TikTok AutomationSocial & peopleList the TikTok accounts your wallet owns, with session health.
SolanaBasetiktok.palmyr.aifrom $0.0012 endpoints- Ssafepay.genexxis.comOther services
Should I pay this x402 endpoint? Verdict pay/caution/block/cannot_pay with reasons: price vs your maxUsd and decoy prices, asset/network, payTo screened against OFAC SDN, Circle/Tether freezes and exploit/phishing/mixer labels, expected payTo, Bazaar track record, broken payment terms. Returns the payment option a standard client would sign.
Basesafepay.genexxis.comfrom $0.0033 endpoints
PageAuditOther servicesPageAudit: technical SEO audit of one page (score, issues, headers, JSON-LD), paid per call
Basepageaudit.onlinefrom $0.027 endpoints- LLink Lens URL InspectorSearch & web
Extract metadata and readable text from a public URL.
Baselinklens-sand.vercel.appfrom $0.011 endpoint - LLocus x402 ServicesOther services
Locus public pay-per-use API
Baseedgar-search.x402.paywithlocus.comfrom $0.0081 endpoint - EeBay Search & ProductsSearch & web
eBay listings search — live prices, condition, shipping, seller reputation, auctions & Buy It Now across supported regional eBay sites, with category, price band, condition, seller & location filters, sorted, as clean JSON.
BasePolygonArbitrum+1ebay.use.x402atlas.comfrom $0.022 endpoints - Ccrypto-sentiment-x402.onrender.comCrypto & DeFi
Real-time crypto sentiment for a ticker symbol (e.g. BTC, ETH, SOL) from 9 crypto news RSS outlets (CoinDesk, Cointelegraph, Decrypt, Bitcoin Magazine, The Block, CryptoSlate, NewsBTC, CryptoPotato, The Defiant) and the Fear & Greed Index. Headlines from the last 72h, weighted toward the newest. Returns a bullish/bearish/neutral label (or 'insufficient recent news'), score, sample size and the top
Basecrypto-sentiment-x402.onrender.comfrom $0.012 endpoints - TToken Risk CheckerCrypto & DeFi
Base token risk report with an AI-written plain-English summary. Checks what most scanners miss: whether the creator or launch wallet can pull the pool liquidity (incl. Uniswap V4), copycat tokens reusing a bigger token's ticker, and Clanker/Doppler/B20 launch platforms. Also honeypot and taxes, mint/pause/blacklist powers, upgradeable proxy, ownership and holders. Returns a 0-100 score, LOW/MEDIU
Basechecker-production-40a5.up.railway.appfrom $0.012 endpoints
MetaliftImages, audio & videoMetalift scrape: URL → LLM-ready markdown with WAF/retail escalation, JS render, and residential proxy when needed. Use instead of a plain HTTP fetch when Cloudflare, bot checks, or SPAs block cheap scrapers. Also works for static pages (pay only for the path used). (5 credits ≈ $0.005 USDC)
Baseapp.metalift.aifrom $0.0051 endpoint- FForetagskollMarkets & finance
Company lookup in SE (Sweden), NO (Norway), FI (Finland), GB (United Kingdom) by registry number: official name, legal form, active/dissolved status, bankruptcy or liquidation, registration date, address and industry codes. Official registry data (Bolagsverket, Brønnøysund, PRH, Companies House).
Baseapi.fundamentwebb.sefrom $0.013 endpoints - Aagentic-x402.aiAI & agents
Allooloo Capital Markets estate index for $0.01 USDC: every market node (Canada, United Kingdom, United States, Germany, France, Netherlands, Switzerland, Australia, Singapore, Japan, South Korea), issuer and disclosure-event counts, drop date; add ?record=node/exchange/code (e.g. uk-cm-kg/LSE/BARC) for one Capital Markets Record, sourced per field, public-record only. Every settlement answers wit
Baseagentic-x402.aifrom $0.011 endpoint - Xx402-v2-mint-base-gas-price.vercel.appDeveloper tools
Base mainnet gas price via public RPC (keyless). eth_gasPrice (+ optional latest block). Data only — not advice.
Basex402-v2-mint-base-gas-price.vercel.appfrom $0.0021 endpoint - AAgent Output VerifierCrypto & DeFi
Check an AI agent's track record: signed verification history, pass/fail counts, recency-weighted score. $0.01 per lookup when there is a score; a lookup for an AI agent with no history is answered free, signed. USDC via x402 v2 (Base/Solana).
BaseSolanascore.sarnai.devfrom $0.011 endpoint
EditalMDData & researchEditalMD: winning prices paid by Brazilian public buyers for an item (who wins, who buys, by state and month, the items), paid per call
Baseeditalmd.comfrom $0.056 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.