{"uid":"cap_qNi0f-8pVKwrV9rCrZdxh","slug":"manylives-tools-test-echo-endpoint-b7408271","name":"ManyLives Tools - Test/Echo Endpoint","description":"Pay-per-call tools for people building AI agents: live web search and page contents, point-in-time crypto market data and news for backtests (no lookahead), verifiable track records of 1,000 crypto strategies locked on the Base network, company profiles, quick AI and batch prices. Ask us to turn a public website into a JSON endpoint. Pay per call, no account, free trial.","url":"https://api.manylives.me/paid/test?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","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"type":"string","const":"GET"},"queryParams":{"type":"object","required":[],"properties":{"echo":{"type":"string","examples":["hello"],"description":"optional text to echo back (max 200 chars)"}}}}},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","properties":{"at":{"type":"string"},"ok":{"type":"boolean"},"echo":{"type":"string"},"network":{"type":"string"},"paid_usd":{"type":"number"}}}}}}},"responseSchema":{"type":"json","example":{"at":"…","ok":true,"echo":"hello","network":"eip155:8453","paid_usd":0.002}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Mb9lorgg2uPGZx_8-xGOP","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"A paid test endpoint that echoes back a provided string and confirms a successful x402 micropayment on the Base network, used to verify connectivity and payment flow","exampleAgentPrompt":"Send a test call to ManyLives with the echo text 'hello agent' so I can confirm my x402 micropayment setup on Base is working before we start pulling trading data.","exampleUseCases":[{"title":"Verify x402 payment pipeline before trading","prompt":"Before we run any backtests, can you ping the ManyLives test endpoint and echo back 'ready' so I know my USDC payment flow on Base is working correctly?"},{"title":"Confirm agent connectivity to paid API","prompt":"Test my ManyLives connection by sending an echo call with the text 'agent check' and tell me if the payment went through on the Base network."},{"title":"Validate micropayment integration post-setup","prompt":"I just configured my x402 wallet — can you make a quick paid test call to ManyLives with 'setup complete' as the echo text to confirm everything is wired up right?"}],"resultDescription":"Returns a JSON object containing: a boolean 'ok' field indicating success, the echoed string back, the timestamp of the call, the network identifier (eip155:8453 for Base), and the amount paid in USD (0.002). Confirms that the x402 micropayment was processed and the API is reachable.","failureModes":["Insufficient USDC balance — payment fails and API returns 402 Payment Required","Malformed echo string exceeding 200 characters — request rejected","Base network congestion causing payment settlement delay","Invalid x402 payment header — authentication fails","Echo parameter omitted — response still returns ok:true but echo field is absent"],"whenToPreferThis":"Use this endpoint when you need to verify that your x402/USDC micropayment setup is correctly configured before calling more expensive ManyLives endpoints like backtests or market data tools. It is the cheapest and simplest endpoint on the platform (0.002 USDC) and is specifically designed as a connectivity and payment sanity check. Prefer this over any other ManyLives endpoint when onboarding or debugging payment flow issues.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:42:53.384Z","isFirstParty":false,"canonicalSlug":"manylives-tools-test-echo-endpoint-b7408271"}