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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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915 results- Xx4o2 FOMO DataSocial & people
FOMO's best traders for the period (24h, 7d, 30d or all time), best first. Each entry is the trader's profile (handle, user id, Solana and EVM wallets, picture, follower and trade counts, top holdings) plus rank and pnl for the period (also in FOMO's field pnl24h, pnl7d, pnl30d or totalPnL). This is all FOMO publishes: 150 entries per period, 100 all-time, no paging. Ranks beyond that are per user
BaseSolanafomo.x4o2.comfrom $0.00114 endpoints - PpumpdataCrypto & DeFi
pump.fun base rate for Solana memecoins: how many coins first traded inside a market-cap band (e.g. $15k-28k) in a window and the share that reached 2x, 5x, 10x, 20x within 3 h, dead coins counted, from every pump.fun trade ever ($0.005). Use before an alpha call or a buy to say how often coins like this one paid. Yesterday's bands are free at GET /public/baserate.json; for a coin's buyers POST /w
Solanapumpdata.funfrom $0.0056 endpoints - SSCVD General StoreOther services
Spot Check. REQUIRES ?host= on the paid request — a signed request without it is refused before the gate and no money moves. Name a host and get what this observatory already holds on it, signed: corpus rounds and verdicts as recorded, when we last actually knocked, our coverage of the window since we met it, and the gaps with their reasons. Read from the books at the counter — no request is made
BasePolygonArbitrum+3scvd.storefrom $0.00112 endpoints - Bbase.mapleai.shopCrypto & DeFi
OpenAI-compatible chat completion, priced by counted input tokens + max output tokens at per-model rates
BasePolygonSolana+1base.mapleai.shopfrom $0.0017 endpoints - AAnnalistCrypto & DeFi
For bots that poll: crowd-state events (a perp entering or leaving a state) since a timestamp, newest first, up to 7 days back. Each event is signed with the mark price at the time. Not investment advice.
BaseSolanaapi.annalist.devfrom $0.00535 endpoints
Wallet BalanceCrypto & DeFiWallet balance on Base, Ethereum or Solana: give an address, get its ETH or SOL, USDC, USDT and any tokens you list, read live from the chain.
BaseSolanachain.tollkit.devfrom $0.00111 endpoints- Ttelemost-x402Social & people
Telegram content analytics and data extraction: pull structured entities from a channel's recent posts, links, @mentions, #hashtags, $cashtags, emails, phone numbers and bot commands. Contacts, tickers or outbound links at scale. Formatting-level entities, not semantic NER.
BaseSolanaapi.telemost.iofrom $0.0213 endpoints - HHyperNatt TerminalCrypto & DeFi
NattSwap cross-chain swap quote (Li.Fi)
BaseSolanahypernatt.comfrom $0.0012 endpoints
x402 Weather APICrypto & DeFiLive current weather conditions for any city, sourced from Open-Meteo. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay
BasePolygonArbitrum+1agentx402pay.comfrom $0.00121 endpoints- WWeb Search, News & Page ReaderMarkets & finance
Real-time web search for AI agents — search the web and get ranked SERP-style results as clean JSON: title, URL, snippet, relevance score, optional LLM-generated answer. Find up-to-date information online — latest news, current events, finance. Date, domain and exact-phrase filters.
BasePolygonArbitrum+1websearch.use.x402atlas.comfrom $0.015 endpoints - Mmcp.blocksize.infoCrypto & DeFi
Real-time shared bid/ask snapshot data, including crypto pairs and supported equity tickers, from Blocksize Capital.
SolanaBasemcp.blocksize.infofrom $0.0024 endpoints
SEC Filings: 10-K, 10-Q, 8-KSocial & peopleSEC filings lookup: give a US stock ticker or CIK, get the company's recent SEC EDGAR filings (10-K, 10-Q, 8-K and more) with links, plus its profile.
BaseSolanadata.tollkit.devfrom $0.0029 endpoints- Iip402.xyzData & research
Paid IP intelligence endpoint returning normalized geolocation and ASN data for a single IPv4 or IPv6 address.
BasePolygonArbitrum+2ip402.xyzfrom $0.011 endpoint - Aapi.govparse.ioData & research
How much open federal money is in the dataset right now? Headline aggregates: active SAM.gov contract opportunities (and how many still have an open deadline), Grants.gov opportunities by status (posted vs forecasted), and USAspending award records on file with their total dollar amount.
BaseSolanaapi.govparse.iofrom $0.0015 endpoints - Aapi.tcgapi.devOther services
TCGPlayer current prices for every card in a set — useful for set value tracking and sealed Pokemon / Magic / Yu-Gi-Oh product pricing.
BaseSolanaapi.tcgapi.devfrom $0.0057 endpoints - CCrypto Data AgentCrypto & DeFi
Top DeFi yield pools with APY/TVL, filterable by chain (DefiLlama).
BaseSolanax402-crypto-data.vercel.appfrom $0.0022 endpoints - Ttravel.brij.fiSearch & web
Flight search
Solanatravel.brij.fifrom $0.013 endpoints - BBrazil Data APIMarkets & finance
Official USD/BRL and EUR/BRL exchange rates (PTAX, Central Bank of Brazil).
BaseSolanabrasil-dados-api.onrender.comfrom $0.0024 endpoints - Kkaisha-api.hp-vladic.workers.devOther services
Japanese business-day calculator: check if a date is a business day, add N business days to a date, or count business days in a range. Accounts for weekends and Japanese national holidays; optional Saturday and year-end/new-year rules.
BaseSolanakaisha-api.hp-vladic.workers.devfrom $0.0022 endpoints
FortiSwapCrypto & DeFiList every token FortiSwap routes on the X1 blockchain (XDEX + Degen launchpad): mint, symbol, name, decimals, logo, USD price, 24h volume, TVL, trust tier, liquidity, and the isSpam / isVerified / riskReasons safety flags. Call this first to resolve a symbol to a mint before quoting or building an X1 swap.
SolanaBaseapp.fortiblox.comfrom $0.0013 endpoints
Tanod utilpeekImages, audio & videoutilpeek (Tanod) file upload: PDF, Office, image, audio, CSV, JSON or text stored for up to 24 hours and returned as a download link. Use when an agent holds a file and must give the next tool a URL for it: a link that expires within 24 hours.
SolanaBasePolygon+2tanod.devfrom $0.0005279 endpoints- Ttwitr.shSocial & people
Search X/Twitter tweets with the full operator set — keyword, exact phrase, from-user, language, date range, media type, minimum likes/retweets, verified-only — or search user profiles by keyword. Billed per tweet returned against your resultsLimit cap. Built for tracking what people say about a topic, brand, or ticker in real time.
BaseSolanatwitr.shfrom $0.00243 endpoints - SSindriSocial & people
Live currency exchange rate API. Returns the current exchange rate between any two ISO 4217 currency codes (e.g. USD to EUR) — live external data an LLM cannot know on its own.
BaseSolanappu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.awsfrom $0.0151 endpoints - Aagentx.saleData & research
Live current weather for any city (Open-Meteo)
BaseSolanaagentx.salefrom $0.0126 endpoints
Web Search + Read Top PagesImages, audio & videoWeb search for AI agents: search the web for any query and get ranked results (title, URL, snippet) plus the full text of the top 1-3 pages, each read in a real browser, as clean JSON. Filter by date, site or news. Find current, up-to-date information online and answer with sources in one call, instead of a search followed by separate page reads.
BaseSolanaweb.tollkit.devfrom $0.0028 endpoints- Aapi.biotechcatalystsentinel.comMarkets & finance
PDUFA dates a company put in an SEC filing, not a calendar of every US-listed biotech. Each date is grounded in a verbatim filing quote, cited to its EDGAR accession, and scored against the FDA decision. Use when you need the next 1-365 days of those disclosed dates, whole feed or one ticker. Accuracy and coverage are free at GET /v1/accuracy. Flat price per request.
BaseSolanaapi.biotechcatalystsentinel.comfrom $0.022 endpoints - Aapi.zendiq.aiCrypto & DeFi
Solana swap triage for AI agents. Returns a Safe / Protect / Refuse verdict for a proposed swap: token risk screening, sandwich-attack exposure, and the priority fee and Jito tip to use. Call it before signing a swap. Advisory only: builds no transaction and never handles keys. Pay in USDC; network fees are sponsored. Full contract: GET /v1/agent. Terms: https://zendiq.ai/agents/terms/
Solanaapi.zendiq.aifrom $0.012 endpoints - AApiToll Crypto NewsCrypto & DeFi
Latest crypto news and breaking headlines, real-time from Cointelegraph. Search any topic (bitcoin, ethereum, DeFi, regulation, market sentiment) or pull the live feed, with full article text across 14 languages. Built for agents tracking crypto markets, tokens, and Web3.
BaseSolananews.apitoll.cloudfrom $0.0011 endpoint - CClearCheckCrypto & DeFi
Federal disaster declarations for a US state or county: what is open now, incident types, and how recent.
BaseSolanaPolygon+1loonie-toll.onrender.comfrom $0.0249 endpoints
Bob Research ToolsSearch & webPlain web search. Returns ranked results (title, URL and a short snippet) for a query, up to 10, optionally limited to a publish-date range with since and until (YYYY-MM-DD). No AI-written answer, so it is fast: typically under a second. If it cannot return results you get an error and are not charged.
BaseSolanabob.assimilatethis.comfrom $0.0055 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.