{"uid":"cap_6Wkdzj4VetIDLAi2DXkwS","slug":"losbeto-ping402-liveness-check-8570dcb3","name":"Losbeto /ping402 Liveness Check","description":"OpenAI-compatible LLM gateway at $0.005/call — change base_url, pay in USDC. Plus pay-per-call market data: multi-oracle price consensus, sentiment, forex, equities, commodities, Brazil macro (BCB/B3) and crypto. No API keys, no accounts. USDC on Base, Solana, Algorand and Polygon via x402.","url":"https://api.losbeto.xyz/ping402?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","properties":{"queryParams":{"type":"object","required":[],"properties":{"format":{"type":"string","description":"Response format (json)"}}}}},"output":{"type":"object","properties":{"example":{"type":"object","description":"x402 hello-world: the cheapest live call on this node ($0.001), built for agents to smoke-test the full payment loop — 402 challenge, wallet signature, facilitator settlement, JSON delivery — against a real merchant. Returns a signed liveness receipt, the node version and a map to the free trial and the full catalog. Zero upstream calls."}}}}},"responseSchema":{"type":"json"},"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_1J2CNCG3pySEvw32Ts6lW","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 signed liveness receipt confirming the full x402 payment loop (402 challenge → wallet signature → settlement → delivery) is operational, plus node version and a catalog map.","exampleAgentPrompt":"Run the cheapest Losbeto ping call — just $0.001 in USDC — so I can confirm the x402 payment loop, wallet signature, and settlement all work correctly before I make any real market data calls.","exampleUseCases":[{"title":"Smoke-test before market data pipeline","prompt":"Before my agent starts pulling crypto prices and forex data from Losbeto, run the $0.001 ping so I know the x402 payment loop is live and my wallet is correctly set up."},{"title":"Verify new wallet integration works","prompt":"I just configured a new Base wallet for USDC micropayments — can you fire the Losbeto ping endpoint for $0.001 to confirm the 402 challenge, signature, and facilitator settlement all complete without errors?"},{"title":"Discover full Losbeto endpoint catalog","prompt":"Hit the Losbeto ping to get a liveness receipt and also pull back the map of all their available endpoints — I want to see what market data and LLM calls are available before I commit to anything."}],"resultDescription":"A signed JSON liveness receipt confirming the node is operational, the current node version string, and a structured map pointing to the free trial endpoint and the full paid catalog of Losbeto services. No upstream data calls are made; this is a pure local health-check response.","failureModes":["Insufficient USDC balance — payment settlement fails with 402 not resolved","Wrong network — wallet on unsupported chain (not Base, Polygon, Solana, or Algorand)","Facilitator timeout — 402 challenge issued but settlement confirmation not received in time","Node downtime — endpoint returns 5xx if Losbeto node is offline","Invalid wallet signature — 402 challenge response rejected by facilitator"],"whenToPreferThis":"Choose this endpoint when you need the absolute cheapest ($0.001) way to validate that the full x402 micropayment loop — challenge, signature, facilitator settlement, and JSON delivery — is functional before investing in more expensive Losbeto calls like LLM inference ($0.005) or market data. Prefer this over generic HTTP health checks when you specifically need to prove end-to-end payment flow, not just TCP reachability.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T12:41:33.826Z","isFirstParty":false,"canonicalSlug":"losbeto-ping402-liveness-check-8570dcb3"}