Request fields
Provide to and fromNumberSid, plus exactly one of body or templateUuid. Optional record context and scheduledFor carry CRM context and scheduling intent.
Avoid duplicate sends
Idempotency-Key is required. Reuse the same key and payload when retrying. A key reused with different content returns 409.
Accepted is not delivered
202 Accepted confirms acceptance. Delivery follows asynchronously. DELETE /messages/{id}/schedule cancels an eligible pending action.
Pilot access requires verified organisation configuration. Never expose a live API key in frontend code.
curl https://zemessenger.com/api/v1/messages \
-H 'Authorization: Bearer ze_test_EXAMPLE' \
-H 'Idempotency-Key: example-message-001' \
-H 'Content-Type: application/json' \
-d '{"to":"+447700900123","fromNumberSid":"PN_EXAMPLE","body":"Your consultation request has been received."}'View the versioned OpenAPI contract