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AgentMail Get Draft Attachment
emailinboxesdomainsdraftsthreadswebhooks
AgentMail Get Draft Attachment is a free API for AI agents from AgentMail at mpp.api.agentmail.to, Free, status unknown (last checked 2026-10-09).
Retrieves metadata and a temporary download URL for a specific attachment on an email draft
Price / callFree
Success—
StatusUnknown
How this service works
Get Attachment
Output
Returns an AttachmentResponse object containing the attachment_id, file size in bytes, a temporary download_url, an expires_at timestamp for when the URL expires, and optionally the filename, content_type, content_id, and content_disposition (inline or attachment).
Example use cases
Example prompt
“Can you get the attachment details for attachment abc123 on draft draft_xyz456 in AgentMail — I need the filename, size, and download URL?”
Technical details
Endpoint
GEThttps://mpp.api.agentmail.to/v0/drafts/:draft_id/attachments/:attachment_id?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to retrieve metadata or a download link for a specific attachment on an AgentMail draft email. Prefer this when you already know both the draft_id and attachment_id and need the file's content type, size, filename, or a temporary URL to actually download the file content.
Side effects
- draft_id not found — 404 error if the specified draft does not exist
- attachment_id not found — 404 error if the attachment does not exist on the given draft
- Missing or invalid Authorization header — 401 unauthorized error
- Download URL already expired — the URL returned is time-limited and will return 403/410 after expiry
- Malformed path parameters — 400 bad request if draft_id or attachment_id are missing or invalid format
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| draft_idrequired | string | ID of draft. |
| attachment_idrequired | string | ID of attachment. |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| sizerequired | integer | Size of attachment in bytes. |
| filename | string | Filename of attachment. |
| content_id | string | Content ID of attachment. |
| expires_atrequired | string | Time at which the download URL expires. |
| content_type | string | Content type of attachment. |
| download_urlrequired | string | URL to download the attachment. |
| attachment_idrequired | string | ID of attachment. |
| content_disposition | string | Content disposition of attachment. |
Tags
emailinboxesdomainsdraftsthreadswebhooksmessagingaisocial
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