POST /unibox/emails/{emailId}/forward

Authentication

Send your organization API key as a Bearer credential.

Authorization: Bearer YOUR_API_KEY

Path parameters

emailId number required

ID of the Unibox email to forward

Example: 12345

Body

application/json

Forward email data

from_email string required

Connected sender email address

Example: sales@company.com
to_email string required

New primary recipient email address

Example: recipient@example.com
message string

Optional comment placed before the forwarded email

Example: Please take a look at this email.

Response

application/json

Email forwarded successfully

id number required

Unique ID of the email record

Example: 123
thread_id number required

ID of the thread this email belongs to

Example: 999
date_sent string required

Date and time when the email was sent

Example: 2025-12-08T12:00:00.000Z
from_name string required

Name of the sender

Example: John Doe
from_email string required

Sender email address

Example: john@example.com
to_email string required

Recipient email address

Example: lead@example.com
body string required

Body content of the email

Example: Hello, this is message body
subject string required

Subject of the email

Example: Subject text
is_our_email boolean required

Indicates whether this email was sent by our system

Example: false
is_new boolean required

Indicates whether this email is marked as new/unread

Example: true
message_id string required

Unique Message-ID from email headers

Example: <message-id@mail.com>
cc_email string required

Carbon copy (CC) email addresses

Example: cc@example.com
attachments object[] required

Attachments belonging to this email. Empty array if the email has no attachments.

Show child attributes Hide child attributes
attachments.id number required

Unique ID of the attachment

Example: 1
attachments.unibox_email_id number required

ID of the email this attachment belongs to

Example: 123
attachments.type number required

Attachment type. 1 — Generic, 2 — Personalised

Example: 1
attachments.ext string required

File extension (without the leading dot)

Example: pdf
attachments.original_filename string required

Original filename as uploaded by the user

Example: proposal.pdf
attachments.saving_filename string required

Internal storage filename used by the system

Example: a1b2c3d4-5678-90ab-cdef-1234567890ab.pdf