{"uid":"cap_QQe5HkJbs6c72aneetlC5","slug":"agentrxi-webhook-inbox-0cee588a","name":"AgentRXI Webhook Inbox","description":"Webhook inbox: create an inbox and get a public URL any service can POST to (free to send), then read the received messages with your token. Keeps 200 messages, 64 KB each, for 7 days. Also callable as GET with the same fields as query parameters.","url":"https://agentrxi.com/v1/inbox?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":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["action"],"properties":{"id":{"type":"string"},"since":{"type":"integer","description":"Only messages after this number"},"token":{"type":"string"},"action":{"type":"string","description":"create | read"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_a-hX_VyyOptTpvaMFjxeM","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Create a public webhook inbox URL that any service can POST to, then read received messages using a token — storing up to 200 messages of 64 KB each for 7 days.","exampleAgentPrompt":"Create a new webhook inbox for me so I can give Stripe a public URL to send payment events to, then read back whatever messages have arrived so far.","exampleUseCases":[{"title":"Webhook testing for third-party integration","prompt":"Set up a temporary webhook inbox I can give to GitHub so it sends push events there, then read back the messages to see what payloads arrived."},{"title":"Support inbox for an agent fleet","prompt":"Create an inbox URL that my other agents can POST status updates to, and then read all the messages they've sent so I can see what's been reported."},{"title":"Async event collection from external service","prompt":"I need a public URL I can hand to a payment processor to send webhooks to — create an inbox, give me the URL and token, then check what messages have come in."}],"resultDescription":"On 'create': returns an inbox ID, a public POST-able URL, and an auth token. On 'read': returns an array of received message payloads (up to 200 messages, each up to 64 KB), optionally filtered to only messages after a given sequence number. Messages are retained for 7 days.","failureModes":["Invalid or missing action parameter returns an error","Expired or invalid token prevents reading messages","Inbox not found if the ID does not exist or has expired after 7 days","Messages older than 7 days are automatically purged and unavailable","Inbox capacity of 200 messages exceeded — oldest messages may be dropped","Malformed query parameters result in a 400-level error"],"whenToPreferThis":"Choose this endpoint when you need a zero-setup, pay-per-call public webhook inbox — ideal for AI agents that need to receive async callbacks, test webhook integrations, or buffer messages from external services without hosting any infrastructure. Prefer it over self-hosted solutions when you want instant availability and per-call pricing with no standing server cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-15T06:39:18.550Z","isFirstParty":false,"canonicalSlug":"agentrxi-webhook-inbox-0cee588a"}