Marketplace · API · x402

api.fresh402.com/v2/smart-diff

Use Smart Diff for structured document changes and rule-based significance evidence after free registration. Compare against the previous snapshot, fixed baseline or an available same-watch hash. Saved scope is reused; legacy HTML can lack structure. Not an API compatibility proof. x402 $0.015 USDC on Base.

Endpoint	`https://api.fresh402.com/v2/smart-diff`
Trust	Not checked yet
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0xFAC492A8D7843C9aFCCa6A1691BCCB5425ab14F3
method	POST
last updated	2026-11-13T02:31:14.507Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.fresh402.com/v2/smart-diff
# 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-d64b7cfb681efc90

Search the whole marketplace from your agent (MCP)

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

api.fresh402.com/v2/extract
API

api.fresh402.com/v2/smart-diff

Use it

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