Directory
Explore x402 APIs
4.9K projects and 127.9K paid endpoints across 13 chains, with 1.3M paid calls in the last 30 days. From the Coinbase CDP and PayAI catalogs.
Pay with Aut
See how they perform →Aut's own gateways on Robinhood Chain: pay per call in USDG or $AUTONOMO, no account or key.
- Token Priceshow live $Aut token price, just an example of an api$0.01 USDG · 100 $AUTONOMO
- New LaunchesNewest token launches on BNB Smart Chain: name, age, buys, sells, market cap and bonding curve progress for each new token.$0.01 USDG · 100 $AUTONOMO
- Risk CheckerRug-risk check for BNB Smart Chain launchpad tokens: is it safe? Holder concentration, creator holdings, launch-block buyers and bot volume, scored low/medium/high.$0.01 USDG · 100 $AUTONOMO
- Token LookupToken price lookup: live price and market cap of any BNB Smart Chain launchpad token by contract address.$0.01 USDG · 100 $AUTONOMO
- Tx ExplainerTransaction explainer: any BNB Smart Chain transaction explained in plain English, with transfers and fee.$0.01 USDG · 100 $AUTONOMO
- Wallet PortfolioWallet portfolio: what a BNB Smart Chain wallet holds in USD, with warnings for impostor tokens.$0.01 USDG · 100 $AUTONOMO
- Page ReaderPage reader: read any public web page and get its title, description and clean text for agents.$0.01 USDG · 100 $AUTONOMO
- Ostrapad Offer FinderOstrapad Offer Finder is an Aut API built on Ostrapad's public listings. It isn't an official Ostra API$0.01 USDG · 100 $AUTONOMO
- Research note - Section templateService
Tutoring sessions — Record quality audit + String normalisation + Adjacent row changes: Record quality audit + String normalisation + Adjacent row changes for supplied tutoring sessions records (session_minutes, session_count). Up to 200 rows; 3 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 3 su
Basemarket.datapackvibe.comfrom $0.0177.1K endpoints353.1Kcalls / 30d3payers - console.ax1.vcService
Any agent can buy a Token Verdict over x402: AI grade, roast and live onchain metrics for any Base, Solana or Robinhood token. $0.02 in USDC, no account. Check supported_token_chains in the quote for this deployment. Payment settles on Base. Includes a one-line verdict, shareable page and card image. No API key. Entertainment, not trading advice. Contact: support@ax1.vc.
Baseconsole.ax1.vcfrom $0.021 endpoint128.8Kcalls / 30d303payers - Pocket NetworkService
An agent-only messaging network. Agents register with an Ed25519 key and talk in public rooms and end-to-end encrypted private rooms and DMs. POST /v2/lookup finds agents by id, handle, name or query; POST /v2/rooms searches the public room directory by name or topic, no identity needed; POST /v2/sync publishes signed events. Auth rides in the body. Pay per request in USDC; no account, no API key.
Baseagent.pocket.networkfrom $0.005121 endpoints113.8Kcalls / 30d38payers - BlockRun.AIService
Neural and keyword web search. Optional category filter: company, research paper, news, pdf, github, personal site, linkedin profile, financial report.
Baseblockrun.aifrom $0.002122 endpoints100Kcalls / 30d301payers - zerion.ioServiceBaseSolanaapi.zerion.iofrom $0.018 endpoints57.1Kcalls / 30d7payers
- X PayService
Payment quote with amount, asset, and merchant wallet
Basewww.api-xpay.comfrom $0.00515 endpoints51.6Kcalls / 30d221payers - StableEnrichService
PDL Person Enrich — career history, emails, phone. Requires one of: `email`, `profile` (LinkedIn URL), or `first_name` + `last_name` + (`company_name` OR `company_domain`). `{ first_name, last_name }` alone returns 400. Prefer `email` when known, then `profile`. No match: HTTP 200, status 404, data null — not billed. Match: $0.28.
BaseSolanastableenrich.devfrom $0.00221 endpoints48.5Kcalls / 30d142payers - x402.sniperx.funService
Get SmartMoney trading activities on token (sorted by time descending)
Solanax402.sniperx.fun—8 endpoints33.8Kcalls / 30d8payers - AX1 ConsoleService
Send a Base token contract address, get an AI-written verdict: onchain metrics, a plain-language take, and a shareable verdict card. Entertainment, not trading advice.
Basewww.ax1.vcfrom $0.021 endpoint33.5Kcalls / 30d231payers - keyring-agent.blockchhub.linkService
Pay the send-native execution fee (native coin transfer)
Basekeyring-agent.blockchhub.linkfrom $0.053 endpoints28.3Kcalls / 30d64payers - win.oneshotagent.comService
People and contact discovery, paid per person requested: the rate on the pricing page × requested limit (default 25), with no refund for rows not found. Phone lookup is off by default. include_phone=true adds the per-person add-on on the pricing page × requested limit for up to that many people; no phone hit is guaranteed.
Basewin.oneshotagent.comfrom $0.00187 endpoints27.6Kcalls / 30d55payers - Clash of CoinsService
Low-cost gateway health probe for real x402 settlement checks
Basex402.clashofcoins.comfrom $0.0012 endpoints21.1Kcalls / 30d313payers - Agents Trust API SearchService
API recommendation and x402 discovery for your task. Required query: need. Which API should I call? Recommends which x402 API to use for any task, with evidence. Describe a task in plain words. Compare up to five paid APIs, URLs, prices, payment networks and invocation details. Includes paid delivery evidence and risk flags. Provider calls are paid separately. No picks / non-2xx is never charged.
BaseSolanaAlgorandapi.agents-trust.comfrom $0.011 endpoint16.1Kcalls / 30d62payers - onesource.ioService
Deepstate, the on-chain order-book exchange on BNB Smart Chain. Order-book snapshot for a market, bids descending and asks ascending, with live resting size per level.
Baseapi.onesource.iofrom $0.00170 endpoints14.3Kcalls / 30d659payers - Image generationService
Run read-only SQL against indexed, DECODED blockchain data - base.events (decoded logs with parameters), base.transactions, base.blocks, base.decoded_user_operations, base.transaction_attributions (builder codes), plus solana.instructions (filter it by block_time). ClickHouse-dialect SELECTs, server-side grammar validation, up to 1,000 rows per call (a larger result is cut at 1,000 and says so). A
BasePolygonArbitrum+12agent402.toolsfrom $0.001674 endpoints13.6Kcalls / 30d22payers - ExaService
Exa /contents endpoint
BaseSolanaWorld Chain+1api.exa.aifrom $0.0012 endpoints11.8Kcalls / 30d135payers - Web Search (SERP)Service
Weather forecast and air quality for any location worldwide. Returns current conditions plus a 16-day daily weather forecast - temperature highs and lows, precipitation, and wind - alongside air-quality readings including AQI, PM2.5, PM10, and ozone, for any latitude and longitude. Daily forecast resolution. Keyless, via Open-Meteo.
Baseapi.kadec0.xyzfrom $0.0153 endpoints11.7Kcalls / 30d11payers - Storm Station 247Service
One radar or forecast picture read state by state: each state's highest value and where it stands, or its range and mean, highest first. This call needs picture, one of the 31 pictures the input schema names, as the radar page names them; the example below answers for real. Every address this endpoint serves is listed one at a time at https://stormstation247.com/api/x402.
Basestormstation247.comfrom $0.013 endpoints11.5Kcalls / 30d1payers - x402.twit.shService
Get the latest tweets that mention the authenticated user (the notifications timeline). Returns up to 20 tweets per page, most recent first, with pagination support. Query params: auth_token (string, required) - Twitter auth_token cookie; ct0 (string, required) - Twitter ct0 cookie; type (string, optional) - notifications timeline to read: All (default), Priority, or Mentions; next_token (string,
Basex402.twit.shfrom $0.002519 endpoints10.7Kcalls / 30d34payers - strale.ioService
Crypto Fear and Greed Index: Read the Crypto Fear and Greed Index from 0 to 100, with its sentiment label, update time and up to 30 days of history.
Baseapi.strale.iofrom $0.022164 endpoints9.2Kcalls / 30d4payers - x402.orthogonal.comService
Search the lead database for people matching filters. Returns paginated results with profile, job, and company data. Filters: firstname, lastname, currentJobTitle, pastJobTitle, currentCompanyName, pastCompanyName, currentCompanyUrn, currentCompanyWebsite, currentCompanyId, school, languages, skills, location, keyword, headcount.
BaseMonadSolanax402.orthogonal.comfrom $0.001394 endpoints8.4Kcalls / 30d11payers - glim.shService
Search tweets with advanced operators (recommended). Body param is `query` (not q), e.g. {"query":"from:elonmusk AI min_faves:100"}
SolanaBaseMonadglim.sh—23 endpoints7.1Kcalls / 30d32payers - GondolaService
Anthropic Messages compatible completions across the Venice AI model catalog. Pay per request in USDC on Base via x402, with no account and no API key. Overpayment is never lost: it banks as reusable wallet credit for your next call. Model ids and live prices: GET https://api.gondola-ai.com/v1/models.
Baseapi.gondola-ai.comfrom $0.013 endpoints5.9Kcalls / 30d26payers - Losbeto Market IntelligenceService
LLM inference as a pay-per-call commodity — ask anything (?q=...) and get the first live answer from a multi-provider failover chain (Groq, Gemini, paid tiers when configured). One flat price, any subject, no API keys...
BaseSolanaAlgorand+2api.losbeto.xyzfrom $0.001112 endpoints5.1Kcalls / 30d14payers - Otto AIService
Base social intelligence: a Base sentiment read + quality-screened Base tokens (CoinGecko-listed, market-cap/age/liquidity gated) catching attention, each labelled with the basis it stands on (`rankedBy`: measured trusted-KOL signal, or the on-chain screen plus engagement), with KOL quotes inside a published window (`evidenceWindowDays`). Served from a cached snapshot while fresh (≤1h) and regener
BaseSolanax402.ottoai.servicesfrom $0.00169 endpoints4.7Kcalls / 30d46payers - SiteCheckService
Searches open prediction markets on Polymarket (real money, USDC) and Manifold (play money) by keywords, with optional closing-date window and minimum volume. Each row: venue, question, outcomes with prices (implied probability), volume with its unit (USD or mana), liquidity, close time and link. Results alternate between venues; up to 50 rows. Information only, not financial advice.
BaseSolanaEVM chain 5042+9api.sitecheck-api.workers.devfrom $0.002223 endpoints4.4Kcalls / 30d12payers - NansenService
Get "Token God Mode" (TGM) flow intelligence data
BaseX LayerBNB Chain+2api.nansen.aifrom $0.0157 endpoints4Kcalls / 30d67payers - wafermap.xyzService
Stock Tokens — Every active stock token on BNB Smart Chain: ticker, name, contract and whether a Chainlink feed prices it.
BaseBNB Smart ChainArbitrum+4wafermap.xyzfrom $0.00141 endpoints3.7Kcalls / 30d12payers - clawfetch.aiService
Headless browser rendering for JavaScript-heavy pages and SPAs: full stealth Chromium render, then clean markdown plus title, meta description, and canonical URL. Use when a plain fetch returns an empty shell or a bot wall.
Baseapi.clawfetch.aifrom $0.0019 endpoints3.3Kcalls / 30d23payers - x402node.devService
China A-share major indices snapshot in one call: Shanghai Composite, Shenzhen Component, ChiNext, and CSI 300 — with price, change, percent change, day range and volume. The whole-market glance Chinese retail investors check every session. A股四大指数一览:上证指数、深证成指、创业板指、沪深300,含最新点位、涨跌、涨跌幅、振幅、成交量,一次调用看全大盘。A株主要指数スナップショット。Panorama de indices bursatiles de China A. Accepts payment on Base or Solana — either
BaseSolanaapi.x402node.devfrom $0.0022498 endpoints3.2Kcalls / 30d24payers