{"uid":"cap_GgCC9thiT4d5vNGoGuK_A","slug":"agentmail-send-8e119499","name":"AgentMail Send Draft","description":"Send Draft","url":"https://mpp.api.agentmail.to/v0/inboxes/:inbox_id/drafts/:draft_id/send?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":[],"properties":{"add_labels":{"type":"array","items":{"type":"string"},"description":"Labels to add to message."},"remove_labels":{"type":"array","items":{"type":"string"},"description":"Labels to remove from message."}}},"responseSchema":{"type":"object","required":["message_id","thread_id"],"properties":{"thread_id":{"type":"string","title":"ThreadId","description":"ID of thread."},"message_id":{"type":"string","title":"MessageId","description":"ID of message."}}},"example":null,"exampleRequest":null,"tags":["email","inboxes","domains","drafts","threads","webhooks","messaging","ai","social"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"unknown","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"1.00","reviews":0,"stars":null,"state":"rated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_BEnCpFDyOgmm7pI8BUXl6","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":"AgentMail","brandSlug":"agentmail","brandBaseUrl":"https://agentmail.to","brandDocsUrl":"https://docs.agentmail.to","whatItDoes":"Sends a previously created email draft from an agent inbox, optionally adding or removing labels on the resulting message.","exampleAgentPrompt":"Send the draft I just prepared from inbox 'inbox_abc123' — draft ID is 'draft_xyz789' — and tag the resulting message with the label 'sent-by-agent'.","exampleUseCases":[{"title":"Dispatch customer support response drafts","prompt":"Go ahead and send that support reply draft I queued up in the customer-care inbox, then mark it with the 'customer-support' label so we can track it."},{"title":"Finalize and deliver sales follow-ups","prompt":"I've got a few follow-up email drafts waiting in my sales inbox that need to go out now — send them and add the 'follow-up-sent' tag to each one."},{"title":"Release scheduled notification emails","prompt":"Send the notification draft from my alerts inbox and tag it as 'automated-notification' so our team knows it came from the agent system."}],"resultDescription":"Returns a JSON object containing the message_id of the sent message and the thread_id of the thread it belongs to, confirming successful delivery.","failureModes":["Draft not found — invalid draft_id returns 404","Inbox not found — invalid inbox_id returns 404","Unauthorized — missing or invalid Bearer token returns 401","Draft already sent — attempting to re-send an already-dispatched draft may return 409 or error","Invalid label format — malformed label strings in add_labels or remove_labels may return 400"],"whenToPreferThis":"Use this endpoint when an email draft has already been created in an AgentMail inbox and needs to be delivered to recipients. This is specifically for the send-step of a draft-then-send workflow in agentic email automation, as opposed to creating a new draft or composing and sending in a single step.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":1,"lastUsedAt":"2026-04-23T23:01:54.865Z","lastSuccessfullyRanAt":"2026-04-23T23:01:54.865Z","lastHealthCheckAt":"2026-10-12T00:40:38.865Z","isFirstParty":false,"canonicalSlug":"agentmail-send-8e119499"}