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POST
/
transactional_messages
/
send_whatsapp
Send a WhatsApp Templated Message
curl --request POST \
  --url https://api.v3.tatango.com/transactional_messages/send_whatsapp \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "phoneNumber": "5551234567",
  "webhookUrl": "https://yourpostbackaddress.com",
  "whatsAppTemplateName": "my_template",
  "smsFailover": {
    "content": "Hello world, this is my SMS fallback."
  }
}
'
{
  "message": "Whatsapp template sent successfully",
  "transactionId": "019687e1-1b54-70f4-a68a-60af7fa776f4"
}

Authorizations

​
x-api-key
string
header
required

Your Tatango API key. This is required for all requests to the API. You can find your API key in the Tatango App under My Account -> API -> Create API Key.

Body

application/json

The WhatsApp Template message request with SMS fallback.

​
phoneNumber
string
required

The destination phone number. Can be provided in any format (e.g., +1 555-123-4567, (555) 123-4567, 5551234567) but must be a valid U.S. or Canadian phone number.

​
webhookUrl
string
required

URL where webhooks will be sent. Must be a valid HTTPS URL.

Maximum string length: 255
​
whatsAppTemplateName
string
required

Name of your registered WhatsApp template. This must match exactly.

​
smsFailover
object
required

The SMS fallback message to use if WhatsApp delivery fails.

Response

WhatsApp template message accepted

​
message
string
required

Success message indicating the request was accepted.

​
transactionId
string
required

Unique transaction identifier for tracking the message.