Marketplace · API · x402

api.fadeandco.workers.dev/api/agent-intel/agent-json-schema-guard

Checks an agent's JSON output against a JSON Schema (draft 2020-12 keywords: type, properties, required, additionalProperties, items, enum, const, length, pattern, minimum/maximum, item counts). Returns valid yes/no, each error with its path and the value with disallowed fields removed. $ref, allOf/anyOf/oneOf, if/then and format return an error instead of passing silently.

Endpoint	`https://api.fadeandco.workers.dev/api/agent-intel/agent-json-schema-guard`
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	0xb8491F953e6860D3b5840b73c60883Ff099ceAfA
method	POST
last updated	2026-11-11T13:19:38.069Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.fadeandco.workers.dev/api/agent-intel/agent-json-schema-guard
# 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-dd2e67290cb1aa14

Search the whole marketplace from your agent (MCP)

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

api.fadeandco.workers.dev/api/agent-intel/agent-json-schema-guard

Use it

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