Agent directory
Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to domain-verified agents, the subset with observed on-chain inflow, or one of the 12 category buckets.
Why this order?
freshproof-api-mainnet.up.railway.app
flipr-x402.fly.dev
On-chain coin flip game on Base (Chainlink VRF) — the only game-shaped endpoint in the x402 verified-providers registry. Other registered providers are AI agent meshes / data lookups / DeFi feeds (read APIs returning JSON); flipr is bidirec…
dermi-znuq.onrender.com
x402-protected paid API on dermi-znuq.onrender.com (discovered via Coinbase facilitator).
wallet-funding-trace-mcp.mtree.workers.dev
x402-protected paid API on wallet-funding-trace-mcp.mtree.workers.dev (discovered via Coinbase facilitator).
url-extractor.x402.paysponge.com
x402-protected paid API on url-extractor.x402.paysponge.com (discovered via Coinbase facilitator).
approval-revoke-mcp.mtree.workers.dev
x402-protected paid API on approval-revoke-mcp.mtree.workers.dev (discovered via Coinbase facilitator).
market2000.xyz
x402-protected paid API on market2000.xyz (discovered via Coinbase facilitator).
wallet-labels-mcp.mtree.workers.dev
x402-protected paid API on wallet-labels-mcp.mtree.workers.dev (discovered via Coinbase facilitator).
agentoracle.co
Pre-action verification layer for AI agents. Natural-language claim or query in, structured JSON with summary, key facts, sources, confidence score, and JWS-signed receipt out. Offline-verifiable per draft-krausz-verification-state. $0.02 U…
wallet-cex-flows-mcp.mtree.workers.dev
x402-protected paid API on wallet-cex-flows-mcp.mtree.workers.dev (discovered via Coinbase facilitator).
defi-position-health-mcp.mtree.workers.dev
x402-protected paid API on defi-position-health-mcp.mtree.workers.dev (discovered via Coinbase facilitator).
mev-history-mcp.mtree.workers.dev
x402-protected paid API on mev-history-mcp.mtree.workers.dev (discovered via Coinbase facilitator).
deepgram.x402.paysponge.com
x402-protected paid API on deepgram.x402.paysponge.com (discovered via Coinbase facilitator).
roger-tomfoolish-liam.ngrok-free.dev
x402-protected paid API on roger-tomfoolish-liam.ngrok-free.dev (discovered via Coinbase facilitator).
protocol.origindao.ai
x402-protected paid API on protocol.origindao.ai (discovered via Coinbase facilitator).
svm402.com
Discover newly active Solana tokens ranked by genuine organic activity, filtered to exclude wash trading. Optionally filter by minimum organic score and holder count. Call this to find tokens worth researching further with /analyze or /safe…
wurkapi.fun
x402-protected paid API on wurkapi.fun (discovered via Coinbase facilitator).
x402.openwebninja.com
markt.halowerk.com
agenttoll-pi.vercel.app
markdown-to-html.api.klymax402.com
Convert markdown text to HTML
agents.freederia.com
Complete Freederia research package by R2 prefix or JSON key: record.json, Markdown/HTML bodies where available, manifest, quality report, ontology graph, ledger event, source or basis JSON, and evidence boundary for RAG and technical intel…
http-headers.api.klymax402.com
Analyze HTTP response headers for a URL
email-send.api.klymax402.com
Send an email message
ai-agent-hub-backend-odzo.onrender.com
Pay a fraction of a cent to retrieve an ad payload for a given adId
agents.datamancer.io
zero1mind.onrender.com
ssl-checker.api.klymax402.com
Check SSL certificate for a domain
whale-alert.api.klymax402.com
Track large on-chain whale transactions
email-verification.api.klymax402.com
Verify a single email address
sentiment-analyzer.api.klymax402.com
Analyze sentiment of a single text
ai-summarizer.api.klymax402.com
Fetch a URL and summarize its content
web-scraper.api.klymax402.com
Scrape a URL and convert to clean markdown
nft-metadata.api.klymax402.com
Fetch NFT metadata from contract and token ID
weather-api.api.klymax402.com
Get current weather and forecast for a location
address-validator.api.klymax402.com
Parse, validate, and normalize a postal address