{"uid":"cap_TLL4kpRCC4Hipe5ayG2gt","slug":"mimirapi-ping-x402-liveness-probe-2e7f3bec","name":"MimirAPI Ping (x402 Liveness Probe)","description":"Paid liveness probe for the MimirAPI counter. Returns pong, the SKU id, and a server timestamp. One tenth of a cent buys a complete challenge, sign, settle, serve round trip — the cheapest possible proof that your x402 client wiring works before you spend real money on real SKUs.","url":"https://mimirapi.com/v1/ping","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["pong","sku","ts"],"properties":{"ts":{"type":"string","description":"ISO-8601 server time"},"sku":{"type":"string"},"pong":{"type":"boolean"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_x-kbYK8ytuaXDUM9NAyWP","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a pong confirmation, SKU id, and server timestamp as a paid x402 liveness check for $0.001 USDC per call.","exampleAgentPrompt":"Run the MimirAPI ping liveness probe to confirm my x402 client wiring works — I want to see the pong response, the SKU id, and the server timestamp back.","exampleUseCases":null,"resultDescription":"A JSON object with three fields: `pong` (boolean true), `sku` (string identifier for the endpoint SKU), and `ts` (ISO-8601 server timestamp) — confirming a full x402 challenge, sign, settle, and serve round trip completed successfully for $0.001 USDC.","failureModes":["Payment not provided or malformed x402 headers — server returns 402 Payment Required","Insufficient USDC balance in wallet — payment settlement fails","Incorrect x402 client configuration — challenge/sign step rejected","Network timeout before settlement completes","Invalid or expired payment challenge — 402 with re-challenge required"],"whenToPreferThis":"Use this endpoint when you need the cheapest possible end-to-end validation that your x402 payment client is correctly wired — challenge, sign, settle, and serve — before committing real money to more expensive MimirAPI SKUs or other x402-enabled services. It is purpose-built as a developer smoke test for the x402 payment protocol.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:36:05.535Z","isFirstParty":false}