BigRadarDocs
MessagesSend a message
API Reference
POST/api/public/v1/messages

Send a message

Send a plain-text WhatsApp message to any number.

MethodPOST
Endpointhttps://api.bigradar.io/api/public/v1/messages
AuthAuthorization: Bearer YOUR_API_KEY

Body parameters

FieldTypeRequiredDescriptionExample
tostringRequiredRecipient number in international format, e.g. 919876543210 (no +).919876543210
textstringRequiredThe message body to send.Hi Mohit, welcome to BigRadar!

Example request

POST /api/public/v1/messages
curl -X POST 'https://api.bigradar.io/api/public/v1/messages' \ -H 'Authorization: Bearer YOUR_API_KEY' \ -H 'Content-Type: application/json' \ -d '{ "to": "919876543210", "text": "Hi Mohit, welcome to BigRadar!" }'

Response · 200

200 OK
{ "success": true, "message": "Message sent successfully", "data": { "message_id": "wamid.HBgM...", "conversation_id": "a1b2c3d4-...", "to": "919876543210", "status": "queued", "timestamp": "2026-06-25T12:30:45Z" } }