Read attachment text
Read or poll a requested extraction. Returns 404 after cache expiry or source removal. Current access and source availability are checked even with If-None-Match. This request does not start a conversion.
Authorizations
Sendmux API key. Use a root API key for Management API routes, or a mailbox credential for Mailbox API routes. Obtain keys from the dashboard under API Keys.
Headers
Return 304 when the authorised response is unchanged.
Path Parameters
Message ID in the selected mailbox.
Attachment ID from that message.
Query Parameters
Maximum UTF-8 text bytes returned. Default 262144; maximum 1048576. Applies to cached results too.
1 <= x <= 1048576Mailbox public ID to target when the credential grants access to more than one mailbox. Omit when the credential is scoped to exactly one mailbox.