Marketplace · API · x402

api.fresh402.com/v1/check

Use Check for a changed/unchanged signal and optional compact text diff. Exactly one URL or existing watch ID; URL plus rules can create a watch, whereas watch_id reuses saved rules and forbids overrides. Use Smart Diff for structured changes. On-demand only; x402 $0.005 USDC on Base or Solana, including cache hits.

Endpointhttps://api.fresh402.com/v1/check
TrustNot checked yet
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xFAC492A8D7843C9aFCCa6A1691BCCB5425ab14F3
methodPOST
last updated2026-11-13T03:19:41.587Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.fresh402.com/v1/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-e792779b24e2ebde

Search the whole marketplace from your agent (MCP)

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