Send Messages Via API For your Official WhatsApp Number ( Postman )

• Go to Channels → Template Manager and open your approved template, then click the JSON icon and copy the template JSON.

• Open Postman and create a New Request, set request type to POST.

• Go to Body → Raw → JSON and paste the copied JSON body.

• Edit the receiver number with country code and fill all template variables correctly (variables should not contain line breaks).

• If the template has an image header, add the image URL in the header variable.

• Go to Channels → 3 dots → Access Token, copy the token and paste it in Postman under Authorization = Bearer Token.

• Copy the API URL, API Version, and Phone Number ID from the Access Token section and add the endpoint as API_URL/API_VERSION/PHONE_NUMBER_ID/messages.

• Click Send in Postman to send the template message.

• If the request is successful, you will receive a Queue ID in the response which confirms the request was accepted by Meta.

• Configure your Webhook URL to receive delivery updates like success message ID or error response.

Postman Documentation -

Chatbot And Automations DocumentationAPI Documentation