{"uid":"cap_RyKf9ujTZ9iL1JhhjVxM9","slug":"money-reactor-headers-echo-8a4f7060","name":"Money Reactor Headers Echo","description":"Request headers echo: exact JSON of what your HTTP client actually sends - debug auth headers, signatures, x402 payments and proxies in seconds","url":"https://money-reactor.makar52nn2016.workers.dev/api/headers-echo?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"object","properties":{"queryParams":{"type":"object","properties":{}}}},"output":{"type":"object","properties":{"example":{}}}}},"responseSchema":null,"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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ayFI2xV6ZGyij5GLpyDXo","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a JSON mirror of all HTTP request headers sent by the client, useful for debugging auth, signatures, and proxy headers","exampleAgentPrompt":"Can you call the headers-echo endpoint so I can see exactly what HTTP headers my client is sending right now — especially whether my authorization and x402 payment headers look correct?","exampleUseCases":[{"title":"Debug failing x402 payment header","prompt":"My x402 micropayment is being rejected and I'm not sure if the payment header is formatted right — can you echo back what headers I'm actually sending so I can see the x402 fields?"},{"title":"Verify proxy forwards auth header","prompt":"I want to make sure my reverse proxy is correctly forwarding my Authorization bearer token — can you show me the exact headers that arrive at the server?"},{"title":"Inspect HMAC signature header","prompt":"I need to check that my HMAC signature is landing in the right header name and format before I go live — can you hit the headers-echo endpoint and show me everything the server receives?"}],"resultDescription":"A JSON object containing all HTTP headers present in the incoming request, with each header name as a key and its value as the corresponding string value — enabling exact inspection of authorization tokens, x402 payment fields, proxy-injected headers, and custom signature headers.","failureModes":["Payment not included or invalid: 402 Payment Required response if x402 payment header is missing or malformed","No headers to echo: empty or minimal JSON if client strips headers","Proxy stripping: headers may be absent if an intermediary removes them before reaching the endpoint","Rate limiting: possible 429 if called excessively"],"whenToPreferThis":"Use this endpoint when you need to verify exactly which HTTP headers your client, SDK, or proxy is sending — especially for debugging x402 payment headers, authorization tokens, HMAC signatures, or proxy-forwarded fields. It is the fastest way to get ground truth on what arrives at the server without setting up your own echo server.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T12:31:30.264Z","isFirstParty":false,"canonicalSlug":"money-reactor-headers-echo-8a4f7060"}