OpenAPI payload validator · agent402.tools

Validate a JSON payload against the request or response schema

Validate a JSON payload against the request or response schema for one operation in an OpenAPI 3.x or Swagger 2.x spec. Locate the operation by operationId or method+path; choose `part: "request"` or `part: "response"` (status defaults to the first 2xx). Deterministic subset of JSON Schema: type, required, enum, properties, items, additionalProperties:false, oneOf/anyOf/allOf, $ref-detection (not dereferenced).

Ready now4 calls · 2 buyers in 30 days

Input

Request JSON

{
  "operationId": "createUser",
  "part": "request",
  "payload": {
    "age": "thirty",
    "extra": "noise",
    "name": "Alice"
  },
  "spec": {
    "openapi": "3.0.0",
    "paths": {
      "/users": {
        "post": {
          "operationId": "createUser",
          "requestBody": {
            "content": {
              "application/json": {
                "schema": {
                  "additionalProperties": false,
                  "properties": {
                    "age": {
                      "type": "integer"
                    },
                    "email": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    },
                    "role": {
                      "enum": [
                        "admin",
                        "user"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "name",
                    "email"
                  ],
                  "type": "object"
                }
              }
            }
          },
          "responses": {
            "201": {
              "description": "ok"
            }
          }
        }
      }
    }
  }
}

Sample response

Published by the provider. Your run returns a fresh response.

response3 keys

errors3 items

0{ message, path, rule }3 keys

1{ message, path, rule }3 keys

2{ message, path, rule }3 keys

schemaPresenttrue

validfalse

responseobject, 3 keys

Your agent can do this on its own

Add the MCP URL in Claude Code, Cursor or Codex. Your agent can run Tools within its spending limits, or ask for approval each time. Connect your agent

Connect your agent

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MCP URL

https://app.aecon.ai/mcp

Terminalbash

claude mcp add --transport http --scope user agentic-economy "https://app.aecon.ai/mcp"

In Claude Code, open /mcp, select agentic-economy, then choose Authenticate.

Track record

Paid calls, last 30 days: 4
Buyers, last 30 days: 2
Last paid call: last week

Reported by the x402 directory.

A$0.0015 per call