Forward Thread Email
Forward a message in an inbox thread to new recipients.
POST
Forwards from the inbox address.
to is required. The original message is
quoted under a forwarded-message banner.
Path Parameters
Body Parameters
string | string[]
required
Recipient email address. For multiple addresses, send as an array of strings.
to, cc, and bcc combined cannot exceed 50 recipients.string | string[]
CC recipient email address. For multiple addresses, send as an array of
strings. Counts toward the 50-recipient limit with
to.string | string[]
BCC recipient email address. For multiple addresses, send as an array of
strings. Counts toward the 50-recipient limit with
to.string
An HTML note sent above the quoted original.
string
A plain-text note sent above the quoted original.
string
The subject of the forward. When omitted, the thread subject is used, prefixed
with
Fwd: if it isn’t already. Max 2000 characters.Headers
string
Add an idempotency key to prevent duplicated emails.
- Should be unique per API request
- Idempotency keys expire after 24 hours
- Have a maximum length of 256 characters
Response Fields
string
The ID of the queued outbound email.
string
The ID of the queued outbound email. Same value as
id.string
Always
outbound.string
Sender email address.
string[]
The recipients of the message.
string[]
The CC recipients of the message.
string[]
The BCC recipients of the message.
string[]
Always empty in this response.
string
The subject of the sent forward.
string | null
Always
null in this response.string | null
The HTML body, including the note and the quoted original.
string | null
The plain-text body, including the note and the quoted original.
array
Always empty in this response.
boolean
Always
true.string
ISO 8601 timestamp when the message was sent.