Send WhatsApp Template Card

The Send Template card dispatches an officially approved Meta WhatsApp message template (utility, marketing, or authentication) to a customer.

Technical Overview

Card ID: send_template
Category: Send Message
Out-of-Window Delivery: Supported (initiates conversation)
Status Tracking: Sent, Delivered, Read, Failed

Configuration Parameters

Parameter	Type	Required	Description
`template_name`	`string`	Yes	The canonical template name registered on Meta (e.g. `appointment_reminder_v1`).
`language_code`	`string`	Yes	BCP-47 language code (e.g. `en_US`, `hi`, `ar`).
`header_variables`	`array`	No	Dynamic replacements for `{{1}}` in image, document, or text headers.
`body_variables`	`array`	No	Array of variable values mapping to `{{1}}`, `{{2}}` in template body text.
`button_payloads`	`array`	No	Dynamic URLs or quick-reply tracking tokens for interactive buttons.

Output Data Schema (Codex)

{
  "message_id": "wamid.HBgLMjAyNjA5MTgxM...",
  "template_name": "appointment_reminder_v1",
  "recipient": "+919876543210",
  "status": "sent",
  "timestamp": "2026-09-18T05:40:00Z"
}