---
title: "Check if a template is required to send a message"
method: GET
path: "/v1/whatsapp/messaging/is-template-required"
tags: ["WhatsApp"]
---

# Check if a template is required to send a message

`GET /v1/whatsapp/messaging/is-template-required`

WhatsApp allows to programmatically send free-form messages during 24-hour window after last inbound message

## Query parameters

- `customer_id` string, uuid, required

## Response `200`

Successful Response

- ExternalWaSendingWindowCheckResult
  - `customerId` string, uuid, required
  - `lastInboundMessageDate` string, date-time, nullable
  - `templateRequired` boolean, required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/atlas/apis/atlas-api.md) · [All operations](https://skmtc.net/atlas/apis/atlas-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/atlas/atlas-api/revisions/4b4817f6e75c/schema)