Every x402 API, with the code to call it.
x402 lets AI agents pay for APIs per call in USDC, no accounts or keys. x402hub turns the live on-chain registry into a browsable catalog with copy-paste JavaScript, Python and curl for each service.
6,209services indexed
5,724with recorded usage
194,208paid calls / 30d
Browse by category
AI & Inference
382 services
Search & Web Data
554 services
Social & Twitter
241 services
Finance & Markets
1187 services
Crypto & DeFi
737 services
Public & Gov Data
168 services
Email & Comms
73 services
Security & Identity
126 services
Utilities & Convert
180 services
Other APIs
2561 services
Most-used services (last 30 days)
x402.twit.sh · search live
Search Twitter/X tweets with advanced filters. Returns up to 20 tweets per page, most recent first, with pagination. At least one filter required. Par
$0.006 USDCBase
agents.chain.link · :workflowName live
Chainlink For Agents: execute a catalog workflow by workflow name.
$0.01 USDCBase
stableenrich.dev · search live
Exa Search - Neural search across the web
$0.01 USDCBase
win.oneshotagent.com · email live
Email deliverability verification
$0.001 USDCBase
win.oneshotagent.com · people live
People and contact discovery
$0.01 USDCBase
agents.chain.link · submit live
Chainlink For Agents: submit a signed operation payload.
$0.002 USDCBase
win.oneshotagent.com · person live
Deep person research — returns enrichment, social profiles, articles, and dossier
$0.05 USDCBase
BlockRun.AI live
Project mindshare time series.
$0.0075 USDCBase
api.deepnets.ai · watchlist live
The active deepnets watchlist - high-volume tokens that passed the safety screen, with current safety data.
$0.01 USDCSolana
x402.tavily.com · search live
Tavily Search - advanced mode
$0.01 USDCBase
x402.twit.sh · mentions live
Get the latest tweets that mention the authenticated user (the notifications timeline). Returns up to 20 tweets per page, most recent first, with pagi
$0.006 USDCBase
Exa live
Exa /search endpoint
$0.007 USDCBaseSolana
win.oneshotagent.com · email live
Email enrichment and validation
$0.005 USDCBase
Otto AI live
Real-time crypto market news with sentiment analysis and top headlines ranked by importance.
$0.001 USDCBasePolygonSolana
CuseTheJuice Email live
CuseTheJuice agent email on Base USDC: create accounts, list and read email, send, reply, search, folders, attachments, trust index, password recovery
$0.01 USDCBase
blockint.ai · :address live
Screen a blockchain address against the C3 community fraud database. Returns 'caution' if the address has reports or is OFAC-sanctioned, 'no_c3_report
$0.01 USDCBaseSolana
BlockRun.AI live
Query Polymarket markets with filtering, sorting, and pagination
$0.001 USDCBase
api.deepnets.ai · flagged-tokens live
List of recently flagged Solana tokens (DANGEROUS or RISKY safety level) with reasons.
$0.01 USDCSolana
x402.twit.sh · tweets live
Bulk look up multiple Twitter/X tweets by their numeric tweet IDs in a single request. Each tweet includes full text, author profile, and engagement m
$0.01 USDCBase
stableenrich.dev · people-enrich live
PDL Person Enrich — career history, emails, phone. Use `profile` for LinkedIn URLs. Prefer email when known. $0.20/request. No match: HTTP 200, status
$0.2 USDCBase
CuseTheJuice Email live
CuseTheJuice agent email on Base USDC: create accounts, list and read email, send, reply, search, folders, attachments, trust index, password recovery
$0.01 USDCBase
stableenrich.dev · search live
Firecrawl Search - Search the web
$0.0252 USDCBase
BlockRun.AI live
Query Kalshi markets with filtering, sorting, and pagination
$0.001 USDCBase
CuseTheJuice live
CuseTheJuice agent APIs on Base USDC: email relay, spam and phishing checks, IP threat scoring, Base Notary hash anchors, and Jupiter Solana swap quot
$0.01 USDCBase
ad slot · a crypto-native, no-tracking ad loads here in production
Query this registry programmatically. Every service here is searchable through the
x402hub API, an x402-payable endpoint your agents call and pay per request in USDC.
https://api-service-sandy.vercel.app · GET /api/search?q=... · $0.002 / call
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0x40BbeB1BEd1D4ba6f1d4C0eE0C9D93e2dA3347C6. This hub is free and ad-light.