Send a Text Template Message through WhatsApp

This API allows you to create and send WhatsApp Message Templates.
Template messages are predefined messages that are used for standard communication and are designed to be reusable.

To send a Text Template Message through WhatsApp, perform the following steps:

1. Before you get started, Create an API Key. To view the API Key and the SID, see View API Key and SID.
2. Pre-requisites

The following are the pre-requisites for using Kaleyra WhatsApp API’s:

• A WhatsApp business number.
• An associated profile with the business number.
• A WhatsApp verified and approved profile.

For more details, read what WhatsApp has to say about creating a business account.
Read Message Templates for any questions you may have about creating templates.

3. Send a Text Template Message API request.

Base URL

https://<api_domain>/v2/<SID>

API request to send a Text Template Message through WhatsApp

To send a Text Template Message through WhatsApp, use the /messages endpoint with the following request method:

Request Format - POST Method

The following is the request format to send a text template message through WhatsApp for POST method:

curl -X POST "https://api.kaleyra.io/v1/<sid>/messages" \
     -H "api-key: <api_key>" \
     -d "from=<from_number>" \
     -d "to=<to_number>" \
     -d "type=<message_type>" \
     -d "channel=<channel_name>" \
     -d "template_name=<template_name>" \
     -d "params=<template_parameters>" \
     -d "lang_code=<language_code>" \
     -d "callback_url=<callback_url>"     

Sample Request Format -POST Method

The following is the sample request format to send a text template message through WhatsApp for POST Method:

curl -X POST "https://api.kaleyra.io/v1/HXXXXXXX071US/messages" \
     -H "api-key: Axxxxxxxxxxxxxxxxxxxxxxxxxxxx3" \
     -d "from=+91XXXXXXXXXX" \
     -d "to=+91XXXXXXXXXX" \
     -d "type=template" \
     -d "channel=whatsapp" \
     -d "template_name=booking_confirm" \
     -d "params=param1,param2,param3" \
     -d "lang_code=en" \
     -d "callback_url=https%3A%2F%2Ftrees.free.beeceptor.com"     

Request Format - GET Method

The following is the request format to send a text template message through WhatsApp for GET method:

curl -X GET "https://api.kaleyra.io/v1/<sid>/messages?channel=<channel_name>&to=<to_number>&from=<from_number>&type=<message_type>&template_name=<template_name>&params=<template_parameters>&lang_code=<language_code>&callback_url=<callback_url>" \
--header "api-key: <api-key>"

Sample Request Format

The following is the sample request format to send a text template message through WhatsApp for GET Method:

curl -X GET "https://api.kaleyra.io/v1/HXXXXXXX071US/messages?channel=whatsapp&to=91XXXXXXXXXX&from=91XXXXXXXXXX&type=template&template_name=booking_confirm&params=test&lang_code=en&callback_url=https%3A%2F%2Ftrees.free.beeceptor.com" \
--header "api-key: Axxxxxxxxxxxxxxxxxxxxxxxxxxxx3"

Parameter and Data Types

The following is the list of parameters and data types supported for sending a Text Template Message:

Sample Success Response

The following success message appears with the status 200 Accepted:

{
    "id": "1b4XXXX8-61bf-4XX3-9aXX-f130XXXX80a5",
    "type": "template", 
    "body":  null,
    "createdDateTime": "2020-01-29 05:30:39+00:00", 
    "totalCount": 1, 
    "data": [
        {
            "message_id": "1b4XXXX0-61bf-46d3-9a1d-f130XXXXf0a5:0",
            "recipient": "1202XXXXXXX" 
        }
    ],
    "error": {}
  
}

Error Codes

The below table provides information about the error codes you would receive when executing the WhatsApp Template Message API.