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I built a 34-endpoint pay-per-call API store on x402 v2 (Base mainnet) — no API keys, the payment is the credential

Hey all — launched x402.eleeth.com, a store selling API calls to AI agents over x402 v2, settled in USDC on Base.

The catalog: web search ($0.01), page reader, AI chat ($0.02), image gen ($0.05), video gen ($0.50), TTS ($0.25), podcast gen ($0.50), plus data APIs (crypto, weather, stocks, fx, news, DNS, Wayback, RSS, WHOIS, cert-transparency subdomains, SEC financials…) — and five tools hosted on my own hardware: full-page screenshots, JS-rendered page text, OCR, file metadata, PDF extraction.

No accounts or API keys exist. Agent flow: call endpoint → 402 with PAYMENT-REQUIRED → sign EIP-3009 → retry with X-PAYMENT → 200. Standard x402 v2, works with @x402/fetch out of the box.

Machine-readable discovery: /llms.txt, /agents.md, /openapi.json, /.well-known/x402.

Happy to answer questions on the implementation (Cloudflare Worker + Hono + Coinbase CDP facilitator, async jobs via KV queue + a poll worker on my home server).

Source: r/x402 · by /u/e1337h

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