{"uid":"cap_d4tMPkqBSzLpZABShQPZt","slug":"forest-gas-station-openapi-swagger-preflight-check-afa4a130","name":"Forest Gas Station – OpenAPI/Swagger Preflight Check","description":"Verify OpenAPI/Swagger document reachability, parseability, operations/auth/servers. Base mainnet USDC","url":"https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/openapi/preflight?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","description":"Public HTTP(S) URL to inspect, resolve, or compare."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_wGSz-7nzfmi99Dw1dUZxp","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies whether a given OpenAPI/Swagger document URL is reachable, parseable, and reports its operations, authentication schemes, and servers.","exampleAgentPrompt":"Can you do a preflight check on this OpenAPI spec — https://api.example.com/openapi.json — and tell me whether it's reachable, parseable, and what operations and auth schemes it defines?","exampleUseCases":[{"title":"Validate new API spec before integration","prompt":"Before I wire up this third-party API, can you check whether their OpenAPI spec at https://api.thirdparty.com/swagger.yaml is reachable, parses cleanly, and list the operations and authentication methods it exposes?"},{"title":"Diagnose broken API spec link","prompt":"I'm getting errors trying to use this OpenAPI doc — can you run a preflight on https://internal.example.com/api-docs/openapi.json and tell me if the URL is even reachable and whether the spec can be parsed?"},{"title":"Audit API spec servers and auth before deployment","prompt":"We're about to deploy an integration — can you preflight https://staging.myservice.io/openapi.yaml and confirm what servers, auth schemes, and operations are defined in the spec?"}],"resultDescription":"Returns whether the OpenAPI/Swagger document at the provided URL is reachable and parseable, along with a structured summary of its declared operations, authentication/security schemes, and server definitions.","failureModes":["URL is unreachable or returns a non-200 HTTP status — endpoint reports reachability failure","Document is reachable but cannot be parsed as valid OpenAPI/Swagger — parse error returned","URL points to a non-OpenAPI document (e.g. HTML page) — parsing fails with format error","Network timeout reaching the target URL — timeout error reported","Malformed input URL (missing protocol, invalid format) — request rejected with validation error"],"whenToPreferThis":"Choose this endpoint when you need to quickly verify that an OpenAPI or Swagger spec URL is live and structurally valid before building an integration, running automation, or ingesting the spec into a registry. It is specifically designed for preflight validation of API specification documents — not for general URL reachability checks, API call execution, or full API schema diffing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T02:58:51.343Z","isFirstParty":false,"canonicalSlug":"forest-gas-station-openapi-swagger-preflight-check-afa4a130"}