List attachments for a message (metadata only)
GET
/api/v1/messages/{id}/attachments
Returns a bare JSON array, in MIME part order. An id that names no stored message is not an error: it answers 200 with [].
Responses
Attachment metadata, possibly empty. Sent with Cache-Control: private, max-age=31536000, immutable.
application/json
JSON { "id": "01HZ9RQABCDEFGHJKMNPQRFILE", "message_id": "01HZ9RQABCDEFGHJKMNPQRSTUV", "filename": "invoice.pdf", "content_type": "application/pdf", "content_id": "logo@example.com", "size": 48321 }
[
]
GET
/api/v1/messages/{id}/attachments
