---
title: What parameters must I specify when setting up a DLR webhook on SMSGatewayCenter, and are there additional parameters for WhatsApp?
description: "When **configuring a Delivery Receipts (DLR) webhook** on **SMSGatewayCenter**, you need to specify several required parameters to ensure proper data delivery. Additional parameters are available for WhatsApp. Here’s what you need: ## **Required Parameters for All Products (SMS and WhatsApp)**:…"
url: "https://www.smsgatewaycenter.com/blog/kb/dlr-webhook-parameters-whatsapp/"
updated: "2025-05-16"
category: Webhook
---

# What parameters must I specify when setting up a DLR webhook on SMSGatewayCenter, and are there additional parameters for WhatsApp?

When **configuring a Delivery Receipts (DLR) webhook** on **SMSGatewayCenter**, you need to specify several required parameters to ensure proper data delivery. Additional parameters are available for WhatsApp. Here’s what you need:

## **Required Parameters for All Products (SMS and WhatsApp)**:

- *Transaction ID Parameter*: The name of the parameter for the transaction ID (e.g., txn_id).
- *Message ID Parameter*: The name for the message ID (e.g., msg_id).
- *Error Code Parameter*: The name for the error code (e.g., error_code).
- *Mobile Number Parameter*: The name for the recipient’s mobile number (e.g., mobile).
- *Received Time Parameter*: The name for the time the message was received (e.g., received_time).
- *Delivered Time Parameter*: The name for the time the message was delivered (e.g., delivered_time).

### **Additional Parameters for WhatsApp**:

- *Read Time Parameter*: The name for the time the message was read (e.g., read_time).
- *Status Parameter*: The name for the message status (e.g., status).

#### **Best Practices**:

- Use consistent parameter names that match your system’s data structure.
- Test the webhook to ensure all parameters are correctly mapped and received.

Specifying these parameters ensures your **DLR webhook** on **SMSGatewayCenter** delivers the right data for your SMS or WhatsApp messages. For assistance, contact our support team.

### More Related Articles

- [Is it possible to create multiple webhooks for the same product?](https://www.smsgatewaycenter.com/blog/kb/create-multiple-webhooks-same-product/)
- [What HTTP methods are supported for sending webhook data?](https://www.smsgatewaycenter.com/blog/kb/supported-http-methods-webhooks/)
- [What happens if my webhook URL is unreachable or fails to respond?](https://www.smsgatewaycenter.com/blog/kb/webhook-url-unreachable-or-no-response/)

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