Marketplace · API · x402

x402-gateway.blackwoodstate8.workers.dev/v1/x402-check

Use when you need an x402 endpoint check or x402 endpoint test, or to validate x402 endpoint listings before paying or integrating. Do not use for actually paying the endpoint, or endpoints behind authentication. Returns JSON with an x402 check of an endpoint without paying: whether it answers 402, its payment options (scheme, network, asset, amount, payTo), Bazaar metadata and problems found for 0.007 USDC per call. Typical response time 2500 ms (p95). Category: Infrastructure.

Endpointhttps://x402-gateway.blackwoodstate8.workers.dev/v1/x402-check
TrustNot checked yet
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x9e32E6163ac2cDfF1405746918e00d16F6E0A0de
methodPOST
last updated2026-11-11T14:31:53.746Z

Use it

Call it (an x402 client pays automatically)

curl -i https://x402-gateway.blackwoodstate8.workers.dev/v1/x402-check
# 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-f46fb9584e3e0f7c

Search the whole marketplace from your agent (MCP)

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

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