{"uid":"cap_5zVDdyZ7muXJmjoBio5qv","slug":"agent-data-tools-echo-5e5efadc","name":"Agent Data Tools Echo","description":"Returns the message you send, with its length and the server time. Use to test an x402 client, payment flow or agent tool wiring end to end.","url":"https://agent-data-tools.revmesh2074.workers.dev/echo?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["message"],"properties":{"message":{"type":"string","description":"Message, up to 2,000 characters"}}},"responseSchema":{"type":"object","properties":{"length":{"type":"number"},"message":{"type":"string"},"receivedAt":{"type":"string"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USD","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_G-Z4clLfE0PIVl-MTguub","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Echoes a text message back with metadata including its length and received timestamp","exampleAgentPrompt":"Send the message 'hello world' to the Agent Data Tools echo endpoint and tell me what comes back — I want to confirm it's live and my x402 payment goes through.","exampleUseCases":[{"title":"Verify x402 payment integration","prompt":"Can you ping the Agent Data Tools echo endpoint with the message 'test123' so I can confirm my USDC payment on Base is actually flowing through before I use the real tools?"},{"title":"Check API connectivity before agent run","prompt":"Before I start my agent workflow, send a quick echo request to Agent Data Tools with the message 'ping' so I know the service is up and responding."},{"title":"Measure round-trip latency","prompt":"Send the message 'latency check' to the Agent Data Tools echo endpoint and report back the receivedAt timestamp so I can see how fast the round trip is."}],"resultDescription":"Returns a JSON object containing the original message string, its character length as a number, and the ISO 8601 timestamp at which the server received it.","failureModes":["Message parameter missing — request rejected with validation error","Message exceeds 2,000 character limit — truncation or rejection","x402 payment fails — call is not charged and an HTTP 402 is returned","Service temporarily unavailable — network or worker error returned","Invalid query parameter format — schema validation failure"],"whenToPreferThis":"Use this endpoint when you need to verify that your x402 USDC payment integration is correctly configured, confirm that the Agent Data Tools service is reachable, or test end-to-end connectivity before invoking more expensive or consequential tools. It is the lowest-risk, lowest-cost probe available on this platform.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T07:04:26.448Z","isFirstParty":false,"canonicalSlug":"agent-data-tools-echo-5e5efadc"}