All endpoints

Reply to a message

POSThttps://myagentmail.com/v1/inboxes/{id}/reply/{messageId}

Replies preserve the thread (In-Reply-To + References) and the original recipient.

Path parameters

id
required
string

Inbox UUID

messageId
required
string

Message UUID

Request body

Content-Type: application/json

plainBody
string
htmlBody
string

Responses

200Sent

Authentication

Send your API key in the X-API-Key header (or Authorization: Bearer <key>). Any prefix accepted by this endpoint — tk_, wk_, ak_, or sa_ — is documented in the key prefix table.