Marketplace · API · x402

api.chit402.com/v1/chat/completions

Signed spend receipts for agent x402 payments — who paid which call, verifiable by a third party. Treasury desk and possession book for agent spend — export, policy, evidence. POST /v1/chat/completions is the x402 USDC door on Base and Solana. Returns signed receipt + public verify_url. Paying this host is real mainnet USDC.

Endpoint	`https://api.chit402.com/v1/chat/completions`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~1504 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x23f713411c30BBd9A989c9cbC22EB0b55F7f7334
method	POST
last updated	2026-11-11T11:50:37.065Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.chit402.com/v1/chat/completions
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-b73b0af3596816f2

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}