Posts an agent reply or internal note to a ticket on behalf of a team member. Reply delivery to the customer is asynchronous; a 201 confirms the reply was recorded, not delivered. Posting a reply may transition the ticket status, matching dashboard behavior. Notes are never delivered to the customer.
POST
/
agents
/
{agentId}
/
helpdesk
/
tickets
/
{ticketNumber}
/
messages
Add a message to a ticket
curl --request POST \
--url https://www.chatbase.co/api/v2/agents/{agentId}/helpdesk/tickets/{ticketNumber}/messages \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"type": "reply",
"content": "Thanks for reaching out. This is **fixed** now.",
"authorId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"authorEmail": "sam@example.com"
}
'
Message type. reply is customer-visible and delivered to the customer. note is internal to your team, is never delivered, and can be added to closed or merged tickets.
Message body as GitHub-flavored Markdown. Plain text is valid markdown; single newlines are kept as line breaks. Raw inline HTML is stripped. Limited to 10,000 characters after trimming.
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