> For the complete documentation index, see [llms.txt](https://limechatai.gitbook.io/limechat-product-guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://limechatai.gitbook.io/limechat-product-guide/helpdesk/inboxes/whatsapp-inboxes/sinch-whatsapp-inbox-setup-guide.md).

# Sinch WhatsApp Inbox: Setup Guide

***

### Steps for setting up a Sinch Whatsapp API Business Inbox

{% stepper %}
{% step %}
Login to your LimeChat Helpdesk
{% endstep %}

{% step %}
Go to **Settings** > **Inboxes**
{% endstep %}

{% step %}
Click on **Add Inbox**

<div align="center" data-full-width="false"><figure><img src="/files/cm2SgoDjmwWJuTKw6a8T" alt="" width="563"><figcaption></figcaption></figure></div>
{% endstep %}

{% step %}
Select **WhatsApp** as the channel

<figure><img src="/files/6JNBdzMnT24QMSnw6QSS" alt="" width="563"><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Select **Sinch**

<figure><img src="/files/jxUuaMzsNgVg0LJmcDkv" alt="" width="563"><figcaption></figcaption></figure>

{% endstep %}

{% step %}
**Fill** **Details**

* Channel Name
* WABA Id
* Phone number
* Username
* Password

<figure><img src="/files/GgdF3ZMyv5z14OQYgUSP" alt="" width="563"><figcaption></figcaption></figure>
{% endstep %}

{% step %}
**Add Agents**

<figure><img src="/files/Dnn0HupKxhZ3rBhsCEbY" alt="" width="563"><figcaption></figcaption></figure>

Assign **Agents** to the inbox using "Add to Inbox" CTA and click on "Finish" to complete the process.
{% endstep %}
{% endstepper %}

***

### FAQs

<details>

<summary>What is Sinch, and why do I need it for WhatsApp API integration?</summary>

Sinch is a cloud communication platform that enables businesses to integrate WhatsApp API for messaging. It acts as a provider for handling message delivery and routing.

</details>

<details>

<summary>Where can I find my WABA ID, username, and password?</summary>

These credentials are provided by Sinch. You can retrieve them from your Sinch account dashboard or contact Sinch support.

</details>

<details>

<summary>Can I connect multiple phone numbers to a single WhatsApp API Inbox?</summary>

No, each WhatsApp API inbox is associated with a single phone number. If you need multiple numbers, you must create separate inboxes.

</details>

<details>

<summary>What happens if I enter incorrect credentials during setup?</summary>

If incorrect details are entered, the integration will fail, and you will receive an error message. Ensure that your WABA ID, username, and password are correctly entered before proceeding.

</details>

<details>

<summary>How do I assign agents to the WhatsApp API inbox?</summary>

After filling in the required details, use the "Add to Inbox" CTA to assign agents who will manage customer interactions.

</details>

<details>

<summary>Can I edit the inbox details after setup?</summary>

Yes, you can modify certain settings, such as agent assignments, from the LimeChat dashboard under Settings > Inboxes. However, changing WABA credentials may require reconfiguring the integration.

</details>

<details>

<summary>What should I do if messages are not being sent or received?</summary>

Check the following:

* Ensure that your Sinch account is active and properly configured.
* Verify that your WhatsApp Business API number is approved and registered.
* Confirm that your LimeChat inbox settings are correct.
* Contact Sinch or LimeChat support for further assistance.

</details>

<details>

<summary>Is there a limit on the number of messages I can send via Sinch?</summary>

Yes, message limits depend on your Sinch plan and WhatsApp Business API tier. Higher-tier accounts have increased messaging limits.

</details>

<details>

<summary>Do I need to complete Facebook Business verification before using Sinch?</summary>

Yes, Meta requires businesses to verify their identity and comply with its policies before enabling WhatsApp Business API services.

</details>

<details>

<summary>Can I switch from another WhatsApp API provider to Sinch on LimeChat?</summary>

Yes, but you must first deregister your number from the existing provider before registering it under Sinch. Contact LimeChat support for guidance on migration.

</details>