Sign in

v1

latestOpenAPI 3.0.02026-07-26592893.0 KB
Sending Messages

Send WhatsApp Message

Send templates with text, variables, or media depending on the provided parameters.

get/dev/whatsapp

Query parameters

message_idinteger required
Example:9

Unique Fast2SMS Message ID of the template. Check WhatsApp Manager inside Fast2SMS Panel or use "Get WABA & Template Details" API

phone_number_idstring required
Example:579519398574288

WABA Phone Number ID.

numbersstring required
Example:9999999999

Destination mobile number.

variables_valuesstring
Example:Var1|Var2|Var3

Required if the template has variables ({{1}}, {{2}}). Join multiple values with a pipe |.

media_urlstring uri
Example:https://example.com/image.png

Required if the template has a Header Media (Image/Video/PDF).

document_filenamestring

(optional) To give PDF custom document title

udf1string

User Defined Field 1 – Optional custom value passed via API and returned in the webhook for your internal reference or tracking.

udf2string

User Defined Field 2 – Optional custom value passed via API and returned in the webhook for your internal reference or tracking.

udf3string

User Defined Field 3 – Optional custom value passed via API and returned in the webhook for your internal reference or tracking.

Headers

Authorizationstring required

Your API Key.

Response

Message Sent Successfully

statusboolean
messagestring
request_idstring

Example response

{
  "status": true,
  "message": "Message sent successfully",
  "request_id": "6a3b2c1d"
}