{"uid":"cap_IY1Ha2541UvjjcmzDoZyH","slug":"agentmail-get-message-by-id-fbaa7151","name":"AgentMail Get Message by ID","description":"Service: AgentMail API (/v0/inboxes/{inbox_id}/messages/{message_id})","url":"https://x402.api.agentmail.to/v0/inboxes/%7Binbox_id%7D/messages/%7Bmessage_id%7D","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"unprobed","priceSource":"registry","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":"free","summary":"Free","primary":null,"accepted":[]},"paymentMethods":[],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves a single email message from a specific AgentMail inbox by message ID","exampleAgentPrompt":"Fetch the full content of message msg_abc123 from inbox inbox_xyz789 in my AgentMail account so I can see what it says.","exampleUseCases":null,"resultDescription":"Returns a JSON object representing a single email message, including fields such as subject, sender, recipient addresses, body content, timestamps, and any metadata associated with the message in the specified AgentMail inbox.","failureModes":["inbox_id not found — 404 with inbox not found error","message_id not found in the specified inbox — 404 with message not found error","Invalid or missing authentication — 401 unauthorized","Malformed inbox_id or message_id path parameters — 400 bad request","Rate limit exceeded — 429 too many requests"],"whenToPreferThis":"Use this endpoint when you need to retrieve the full details of a specific, known email message from an AgentMail inbox and already have both the inbox_id and message_id. Prefer this over listing endpoints when you only need one specific message rather than browsing multiple messages.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-10T12:43:17.626Z","isFirstParty":false}