{"uid":"cap_6BUG_Wo5FeySLvuEL5-FB","slug":"global-weather-fx-api-x402-audit-endpoint-bce7d938","name":"Global Weather & FX API — x402 Audit Endpoint","description":"Global current weather, hourly forecasts, foreign-exchange rates, EVM reads, and deterministic utilities for AI agents. Pay per call with MPP or x402; no API key.","url":"https://agent-chain-kit-solana.vercel.app/v1/x402-audit?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["origin","endpoints"],"properties":{"origin":{"type":"string"},"endpoints":{"type":"array"}}},"responseSchema":{},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"2","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":"$2/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"2","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"2","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Mbv0fjbYaDPX1fSnuoYbs","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"2","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs an x402 payment audit by accepting an origin and a list of endpoints, verifying x402 payment compliance for AI agent calls at $2 USDC per call.","exampleAgentPrompt":"Run an x402 compliance audit on my origin https://myapi.example.com and check these endpoints: ['/v1/weather', '/v1/fx'], and pay the $2 USDC fee via x402.","exampleUseCases":[{"title":"Pre-launch x402 compliance check","prompt":"Before I list my API on an agent marketplace, audit my origin https://myservice.io and verify these three endpoints — '/data/weather', '/data/rates', '/data/evm' — are properly set up for x402 payments."},{"title":"Debugging payment gate failures","prompt":"My agent keeps getting 402 errors from my API at https://mybackend.dev — can you run an x402 audit on the origin and check the endpoints '/v1/forecast' and '/v1/convert' to see what's misconfigured?"},{"title":"Third-party vendor x402 verification","prompt":"I need to verify that the vendor API at https://partner-api.example.com actually supports x402 micropayments — audit the origin and their listed endpoints '/api/weather' and '/api/fx' and tell me the compliance status."}],"resultDescription":"Returns an audit report indicating x402 payment compliance status for each submitted endpoint at the given origin — including whether payment headers, pricing, and payment flows are correctly implemented per the x402 protocol.","failureModes":["Missing or invalid 'origin' field returns a 400 error","Empty or malformed 'endpoints' array causes validation failure","Unreachable origin domain may result in timeout or connection error","Payment of $2 USDC not provided or rejected results in 402 response","Endpoints with non-standard x402 implementations may produce inconclusive results"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify that a given API origin and its specific routes are correctly implementing the x402 pay-per-call payment protocol — especially before listing on an agent marketplace, onboarding a vendor, or debugging 402 payment failures. Prefer this over manual inspection when auditing multiple endpoints at once.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:35:22.610Z","isFirstParty":false,"canonicalSlug":"global-weather-fx-api-x402-audit-endpoint-bce7d938"}