Sending Messages by Template ID

Last updated: 19 August 2025

To send messages by the template ID templateId, the following methods are used::

api/v1/out-messages/whatsapp/template — for sending messages to the WhatsApp channel;
api/v1/out-messages/viber/template — for sending messages to the Viber channel.

tip

The methods api/v1/out-messages/whatsapp/template and api/v1/out-messages/viber/template refer to the new API version.

WhatsApp Channel

To send a message to the WhatsApp channel using the api/v1/out-messages/whatsapp/template method, send a POST request to the URL https://app.edna.io/api/v1/out-messages/whatsapp/template

Request Format

{
    "messageId": "string",
    "sender": "string",
    "phone": "string",
    "templateId": integer,
    "textVariables": [
        "string",
        "string",
        "string"
    ],
    "buttonVariables": [
        "string",
        "string"
    ],
    "headerVariables": [
        "string"
    ],
    "attachment": {
        "url": "string",
        "name": "string"
    },
    "options": {
        "comment": "string",
        "sendDelay": "string",
        "priority": "string"
    }
}

Request Example

Text message:

{
    "sender": "RETAIL_WA",
    "phone": "35700000000",
    "templateId": 81,
    "options": {
        "comment": "2025-08-04T13:00:48.567Z"
    }
}

The message with the document in the attachment:

{
    "sender": "RETAIL_WA",
    "phone": "35700000000",
    "templateId": 96,
    "attachment": {
        "url": "https://tourism.gov.in/sites.pdf",
        "name": "example"
    },
    "options": {
        "comment": "promotion"
    }
}

A delayed message containing a document in an attachment, variables in the header, message text, and dynamic link buttons:

{
    "messageId": "01987f4a-069e-730e-bf59-cedc1e63349",
    "sender": "RETAIL_WA",
    "phone": "35700000000",
    "templateId": 98,
    "textVariables": [
        "Alex",
        "10.05",
        "Happy Birthday"
    ],
    "buttonVariables": [
        "3FgSD",
        "KNsr6"
    ],
    "headerVariables": [
        "Good Morning"
    ],
    "attachment": {
        "url": "https://tourism.gov.in/sites.pdf",
        "name": "offer"
    },
    "options": {
        "comment": "2025-08-15T12:12:16.984Z",
        "sendDelay": "PT10H15M47S",
        "priority": "NORMAL"
    }
}

Request Parameters

Parameter	Data type	Character	Description
`messageId`	string	Optional	The internal ID of the message.
`sender`	string	Required	Signature name. To find out the name of the signature, use the API method to get a list of channels — the `subject` parameter. Receiving List of Channels
`phone`	string	Required	Recipient's address — phone number. To find out the recipient's address, use the API method for requesting recipient data — the `addresses.address` parameter. Requesting Client Data
`templateId`	integer	Required	Template ID. To find out the template ID, use the API method to get a list of templates — the `id` parameter. Retrieving List of Templates
`textVariables`	array of strings	Required if the template contains variables	Variable values in the template message.
`buttonVariables`	array of strings	Required if the template has buttons with dynamic links	Variable values for buttons with dynamic links in the template message. A WhatsApp message template can contain up to two link buttons.
`headerVariables`	array of strings	Required if there is a variable in the template header	The value of the variable in the template message header. The header can contain only one variable.
`attachment`	object	Optional	Information about the attachment.
`attachment.url`	string	Required if the `attachment` parameter is not empty	The link to the attachment is an image, file, video, or audio.
`attachment.name`	string	Required if the `attachment` parameter is not empty	The name of the image, file, video, or audio. The maximum length is 70 characters.
`options`	object	Optional	Used for additional message sending settings.
`options.comment`	string	Optional	Text comment to the message. The parameter value is displayed in the message report.
`options.sendDelay`	string	Optional	Time interval in the ISO 8601 durations date format (for example, `PT10H15M48S'), before which the message will not be sent. Used for delayed shipping. ISO 8601 - Convention
`options.priority`	string	Optional	Used to indicate the priority of messages. Possible values: - `LOW` — low priority; - `NORMAL` — medium priority, default value; - `HIGH` — high priority; - `REALTIME` — real-time delivery.

Response Format

{
    "messageId": "string",
    "phone": "string"
} 

Response Example

{
    "messageId": "01987f4a-070e-730e-bf59-cedc1e63350",
    "phone": "35700000000"
} 

Response Parameters

Parameter	Data type	Description
`messageId`	string	The internal ID of the message.
`phone`	string	Recipient’s address (a phone number).

Viber Channel

To send a message to the Viber channel using the api/v1/out-messages/viber/template method, send a POST request to the URL https://app.edna.io/api/v1/out-messages/viber/template

Request Format

{
    "messageId": "string",
    "sender": "string",
    "phone": "string",
    "templateId": integer,
    "textVariables": [
        "string",
        "string",
        "string"
    ],
    "options": {
        "comment": "string",
        "sendDelay": "string",
        "priority": "string"
    }
} 

Request Example

Text message:

{
    "sender": "RETAIL_VIBER",
    "phone": "35700000000",
    "templateId": 32,
    "options": {
        "comment": "promotion"
    }
}

A delayed message containing variables in the text:

{
    "messageId": "01987f4a-070e-730e-bf59-cedc1e63350",
    "sender": "RETAIL_VIBER",
    "phone": "35700000000",
    "templateId": 34,
    "textVariables": [
        "Alex",
        "10.05",
        "Happy Birthday"
    ],
    "options": {
        "comment": "2025-08-12T12:17:20.981Z",
        "sendDelay": "PT1H3M4S",
        "priority": "NORMAL"
    }
}

Request Parameters

Parameter	Data Type	Character	Description
`messageId`	string	Optional	The internal ID of the message.
`sender`	string	Required	Signature name. To find out the name of the signature, use the API method to get a list of channels — the `subject` parameter. Receiving List of Channels
`phone`	string	Required	Recipient's address — phone number. To find out the recipient's address, use the API method for requesting recipient data — the `addresses.address` parameter. Requesting Client Data
`templateId`	integer	Required	Template ID. To find out the template ID, use the API method to get a list of templates — the `id` parameter. Retrieving List of Templates
`textVariables`	array of strings	Required if the template contains variables	Variable values in the template message.
`options`	object	Optional	Used for additional message sending settings.
`options.comment`	string	Optional	Text comment to the message. The parameter value is displayed in the message report.
`options.sendDelay`	string	Optional	Time interval in the ISO 8601 durations date format (for example, `PT10H15M48S'), before which the message will not be sent. Used for delayed shipping. ISO 8601 - Convention
`options.priority`	string	Optional	Used to indicate the priority of messages. Possible values: - `LOW` — low priority; - `NORMAL` — medium priority, default value; - `HIGH` — high priority; - `REALTIME` — real-time delivery.

Response Format

{
    "messageId": "string",
    "phone": "string"
} 

Response Example

{
    "messageId": "01987f4a-070e-730e-bf59-cedc1e63350",
    "phone": "35700000000"
} 

Response Parameters

Parameter	Data type	Description
`messageId`	string	The internal ID of the message.
`phone`	string	Recipient’s address (a phone number).

WhatsApp Channel​

Request Format​

Request Example​

Request Parameters​

Response Format​

Response Example​

Response Parameters​

Viber Channel​

Request Format​

Request Example​

Request Parameters​

Response Format​

Response Example​

Response Parameters​

WhatsApp Channel

Request Format

Request Example

Request Parameters

Response Format

Response Example

Response Parameters

Viber Channel

Request Format

Request Example

Request Parameters

Response Format

Response Example

Response Parameters