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AgentMail Get Raw Message
emailinboxesdomainsdraftsthreadswebhooks
AgentMail Get Raw Message is a free API for AI agents from AgentMail at mpp.api.agentmail.to, Free, status unknown (last checked 2026-10-11).
Returns a presigned S3 download URL for the raw .eml file of a specific email message in an AgentMail inbox
Price / callFree
Success—
StatusUnknown
How this service works
Get Raw Message
Output
Returns a RawMessageResponse object containing the message ID, the size of the raw message in bytes, a presigned S3 URL to download the raw .eml file, and a timestamp indicating when the download URL expires.
Example use cases
Example prompt
“Can you get me a download link for the raw .eml file of message msg_abc123 in inbox inbox_xyz456 on AgentMail?”
Technical details
Endpoint
GEThttps://mpp.api.agentmail.to/v0/inboxes/:inbox_id/messages/:message_id/raw?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need the complete, unprocessed email content including all MIME parts, raw headers, attachments, and encoding — for example, to archive emails as .eml files, to parse non-standard headers, or to pass the full raw message to another system. Prefer this over parsed message endpoints when you need the ground-truth email source rather than extracted fields.
Side effects
- 404 if the inbox_id or message_id does not exist
- 401/403 if the Authorization Bearer token is missing or invalid
- Expired download_url if the agent waits too long after fetching (check expires_at before downloading)
- 500 server error if S3 presigned URL generation fails
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inbox_idrequired | string | The ID of the inbox. |
| message_idrequired | string | ID of message. |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| sizerequired | integer | Size of message in bytes. |
| expires_atrequired | string | Time at which the download URL expires. |
| message_idrequired | string | ID of message. |
| download_urlrequired | string | S3 presigned URL to download the raw message. Expires at expires_at. |
Tags
emailinboxesdomainsdraftsthreadswebhooksmessagingaisocial
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