Marketplace · API · x402

Wintyx57/x402-backend

API marketplace powered by HTTP 402 protocol — AI agents pay per call with USDC on Base. 69 native endpoints, on-chain payment verification, multi-chain (Base + SKALE).

Endpointhttps://x402bazaar.org
Trust100% uptime over 1 checks · ~896 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
docs urlhttps://github.com/Wintyx57/x402-backend
authnone
sourcex402_registry

Use it

Call it (an x402 client pays automatically)

curl -i https://x402bazaar.org
# 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/4073

Search the whole marketplace from your agent (MCP)

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

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