Forest Web – OpenAPI Operation Existence Check

x402

Forest Web – OpenAPI Operation Existence Check is a paid API for AI agents from http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-20).

Looks up a specific HTTP method and path in a public OpenAPI/Swagger specification and reports whether that documented endpoint exists in the contract, without invoking the actual API.

Price / call$0.002

Seller volume →—

Success—

StatusUnknown

How this service works

Machine-readable contract for active Forest paid capabilities. Unsigned paid calls return HTTP 402 with a PAYMENT-REQUIRED x402 challenge.

Output

A report indicating whether the specified HTTP method and path combination exists as a documented operation in the target public OpenAPI or Swagger contract. The result reflects the specification only — the actual live API is never called.

Example use cases

Pre-build API contract verification

“Before I start integrating, can you check whether GET /v2/accounts/{id}/balances is actually documented in the OpenAPI spec at https://bank.example.com/openapi.yaml? I don't want to build against an undocumented endpoint.”

Automated SDK compatibility check

“Our SDK relies on DELETE /subscriptions/{subscriptionId} — can you verify that this DELETE operation is listed in the public Swagger contract at https://api.saas-provider.com/swagger.json so I know we're coding against a real documented route?”

API governance audit for missing routes

“We think PATCH /users/{id}/profile should be in our API spec but I'm not sure — check the OpenAPI contract at https://internal-docs.example.com/openapi.json and tell me if that PATCH endpoint is actually documented there.”

Technical details

Endpoint

POSThttps://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/openapi/operation-resolve?utm_source=zero.xyz

When to prefer

Use this endpoint when you need to confirm that a specific REST operation (method + path) is formally documented in a public OpenAPI or Swagger contract before building integrations, generating SDKs, running compliance checks, or validating API governance policies. It is ideal for pre-flight checks where you want contract-level truth without triggering the live API. Prefer it over general web scraping or manual spec inspection when you need a deterministic, machine-readable existence answer from a structured API specification.

Side effects

URL does not point to a valid OpenAPI/Swagger document — returns error or invalid contract response
Specified path or method not found in the contract — returns non-existence result
URL is unreachable or returns non-200 status — fetch failure
Malformed or non-standard OpenAPI spec that cannot be parsed
Path provided does not start with '/' — rejected by schema validation
URL does not start with http:// or https:// — rejected by schema validation

Input

Schema · Request body

Field	Type	Description
url	string	Public HTTP(S) URL to inspect, resolve, or compare.
path	string	Repository file path whose public metadata should be checked.
method	string	HTTP method for the bounded public probe.

Output

Schema · Response

{
  "type": "json",
  "example": {
    "ok": true,
    "data": {
      "url": "example",
      "found": false,
      "scope": "contract_only_no_operation_execution",
      "version": "example",
      "operation": {
        "path": "example",
        "method": "example"
      },
      "requested": {
        "path": "example",
        "method": "example"
      },
      "parse_valid": false,
      "operation_count": 0
    },
    "meta": {
      "cache": "miss",
      "provider": "openapi-parser",
      "checked_at": "2026-01-01T00:00:00.000Z",
      "duration_ms": 0
    },
    "version": "1",
    "capability": "openapi.operation-resolve"
  }
}

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