direction'in' | 'out' required
status'received' | 'queued' | 'sent' | 'delivered' | 'bounced' | 'complained' | 'failed' required
expiredboolean required
true once the inbox's retention period has passed: text, html, extracted_text, extracted and attachments are gone (null or empty) and the raw message can't be downloaded. Addresses, subject, status and timestamps remain until the message is deleted, 35 days after it was created.
rfc_message_idstring nullable required
in_reply_tostring[] required
referencesstring[] required
textstring nullable required
htmlstring nullable
Only on single-message reads and threads with include_html=true
extracted_textstring nullable required
New text only: quoted history, forwards and signatures removed
tagstring nullable required
Plus-address tag, e.g. task42 for bot+task42@
sent_atstring date-time nullable required
received_atstring date-time nullable required
created_atstring date-time required