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This API enables you to send WhatsApp authentication template messages using the provided template configuration. The messages are sent to individual recipients using a specific template ID, phone number ID, and API key.

Request Format

HTTP Method

POST

API Version

V1.0

Request URL

http://{{your_domain}}/api/v1.0/{{phone_number_id}}/{{key}}/messages

Replace placeholders:

{{your_domain}}: Your domain URL where the API is hosted.
{{phone_number_id}}: The unique identifier of the phone number used for sending messages.
{{key}}: Your API key for authentication.How to create key

Request Body

{
  "messaging_product": "whatsapp",
  "recipient_type": "individual",
  "to": "91xxxxxxxxxx",
  "bulk_id":"12345",
  "type": "template",
  "template": {
    "name": "authentication_template",
    "language": {
      "code": "en"
    },
    "components": [
      {
        "type": "body",
        "parameters": [
          {
            "type": "text",
            "text": "958625"
          }
        ]
      },
      {
        "type": "button",
        "sub_type": "url",
        "index": "0",
        "parameters": [
          {
            "type": "text",
            "text": "958625"
          }
        ]
      }
    ]
  }
}

Response

Success Response

HTTP Status Code: 200 OK

Sample Response:

{
    "messaging_product": "whatsapp",
    "contacts": [
        {
            "input": "91xxxxxxxxxx",
            "wa_id": "91xxxxxxxxxx",
            "status_id": "ODIxMTE="
        }
    ],
    "messages": [
        {
            "id": "RFPQoMGZWt",
            "message_status": "accepted"
        }
    ]
}

Message Sample View

958625 is your verification code. For your security, do not share this code.

Field Descriptions

Root-Level Fields

Field	Type	Description
messaging_product	string	Must be `whatsapp`. Identifies the messaging platform being used.
`recipient_type`	string	Must be `individual`. Specifies the type of recipient.
to	string	The recipient’s phone number in E.164 format (e.g., `91xxxxxxxxxx`).
type	string	Must be `template`. Specifies the type of message being sent.

Template-Level Fields

Field	Type	Description
name	String	Name of the template. For example, `"otp_message"`.
language	Object	Specifies the language of the template.
components	Array	Contains the components of the message (body, buttons).

Notes

Ensure the template name matches an approved template in your WhatsApp Business Account.
The phone number must be in E.164 format (e.g., 91xxxxxxxxxx for Indian numbers).
Language codes must follow ISO 639-1 standards.

Sample codes

‘<'+'?'+'php'+ `

$curl = curl_init();
            
            curl_setopt_array($curl, array(
              CURLOPT_URL => ‘https://example.com/api/v1.0/phone_number_id/key/messages’,
              CURLOPT_RETURNTRANSFER => true,
              CURLOPT_ENCODING => ”,
              CURLOPT_MAXREDIRS => 10,
              CURLOPT_TIMEOUT => 0,
              CURLOPT_FOLLOWLOCATION => true,
              CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
              CURLOPT_CUSTOMREQUEST => ‘POST’,
              CURLOPT_POSTFIELDS =>'{
              “messaging_product”: “whatsapp”,
              “recipient_type”: “individual”,
              “to”: “91xxxxxxxxxx”,
              “bulk_id”:”12345″,
              “type”: “template”,
              “template”: {
                “name”: “authentication_template”,
                “language”: {
                  “code”: “en”
                },
                “components”: [
                  {
                    “type”: “body”,
                    “parameters”: [
                      {
                        “type”: “text”,
                        “text”: “958625”
                      }
                    ]
                  },
                  {
                    “type”: “button”,
                    “sub_type”: “url”,
                    “index”: “0”,
                    “parameters”: [
                      {
                        “type”: “text”,
                        “text”: “958625”
                      }
                    ]
                  }
                ]
              }
            }’,
              CURLOPT_HTTPHEADER => array(
                ‘Content-Type: application/json’,
                ‘Authorization: Bearer xxxxxxxxxxxxx………………….’
              ),
            ));
            
            $response = curl_exec($curl);
            
            curl_close($curl);
            echo $response;            
    
                ?>;`;

OkHttpClient client = new OkHttpClient().newBuilder()
          .build();
        MediaType mediaType = MediaType.parse(“application/json”);
        RequestBody body = RequestBody.create(mediaType, “{\r\n  \”messaging_product\”: \”whatsapp\”,\r\n  \”recipient_type\”: \”individual\”,\r\n  \”to\”: \”91xxxxxxxxxx\”,\r\n  \”bulk_id\”:\”12345\”,\r\n  \”type\”: \”template\”,\r\n  \”template\”: {\r\n    \”name\”: \”authentication_template\”,\r\n    \”language\”: {\r\n      \”code\”: \”en\”\r\n    },\r\n    \”components\”: [\r\n      {\r\n        \”type\”: \”body\”,\r\n        \”parameters\”: [\r\n          {\r\n            \”type\”: \”text\”,\r\n            \”text\”: \”958625\”\r\n          }\r\n        ]\r\n      },\r\n      {\r\n        \”type\”: \”button\”,\r\n        \”sub_type\”: \”url\”,\r\n        \”index\”: \”0\”,\r\n        \”parameters\”: [\r\n          {\r\n            \”type\”: \”text\”,\r\n            \”text\”: \”958625\”\r\n          }\r\n        ]\r\n      }\r\n    ]\r\n  }\r\n}”);
        Request request = new Request.Builder()
          .url(“https://example.com/api/v1.0/phone_number_id/key/messages”)
          .method(“POST”, body)
          .addHeader(“Content-Type”, “application/json”)
          .addHeader(“Authorization”, “Bearer xxxxxxxxxxxxx………………….”)
          .build();
        Response response = client.newCall(request).execute();

require “uri”
require “json”
require “net/http”

url = URI(“https://example.com/api/v1.0/phone_number_id/key/messages”)

https = Net::HTTP.new(url.host, url.port)
https.use_ssl = true

request = Net::HTTP::Post.new(url)
request[“Content-Type”] = “application/json”
request[“Authorization”] = “Bearer xxxxxxxxxxxxx………………….”
request.body = JSON.dump({
  “messaging_product”: “whatsapp”,
  “recipient_type”: “individual”,
  “to”: “91xxxxxxxxxx”,
  “bulk_id”: “12345”,
  “type”: “template”,
  “template”: {
    “name”: “authentication_template”,
    “language”: {
      “code”: “en”
    },
    “components”: [
      {
        “type”: “body”,
        “parameters”: [
          {
            “type”: “text”,
            “text”: “958625”
          }
        ]
      },
      {
        “type”: “button”,
        “sub_type”: “url”,
        “index”: “0”,
        “parameters”: [
          {
            “type”: “text”,
            “text”: “958625”
          }
        ]
      }
    ]
  }
})

response = https.request(request)
puts response.read_body

import requests
          import json
          
          url = “https://example.com/api/v1.0/phone_number_id/key/messages”
          
          payload = json.dumps({
            “messaging_product”: “whatsapp”,
            “recipient_type”: “individual”,
            “to”: “91xxxxxxxxxx”,
            “bulk_id”: “12345”,
            “type”: “template”,
            “template”: {
              “name”: “authentication_template”,
              “language”: {
                “code”: “en”
              },
              “components”: [
                {
                  “type”: “body”,
                  “parameters”: [
                    {
                      “type”: “text”,
                      “text”: “958625”
                    }
                  ]
                },
                {
                  “type”: “button”,
                  “sub_type”: “url”,
                  “index”: “0”,
                  “parameters”: [
                    {
                      “type”: “text”,
                      “text”: “958625”
                    }
                  ]
                }
              ]
            }
          })
          headers = {
            ‘Content-Type’: ‘application/json’,
            ‘Authorization’: ‘Bearer xxxxxxxxxxxxx………………….’
          }
          
          response = requests.request(“POST”, url, headers=headers, data=payload)
          
          print(response.text)

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