> For the complete documentation index, see [llms.txt](https://support.whapi.cloud/help-desk/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.whapi.cloud/help-desk/account-and-whapi-channels.md).

# Account & Whapi Channels

- [Billing](https://support.whapi.cloud/help-desk/account-and-whapi-channels/billing.md): Paying for the WhatsApp API and Managing your Subscriptions
- [Add Business Info to Invoice](https://support.whapi.cloud/help-desk/account-and-whapi-channels/add-business-info-to-invoice.md): How to Set Up Business Information for Invoicing
- [Channel Settings overview](https://support.whapi.cloud/help-desk/account-and-whapi-channels/channel-settings-overview.md): This article lists every parameter available in Whapi.Cloud channel settings
- [Setting "Auto Download"](https://support.whapi.cloud/help-desk/account-and-whapi-channels/setting-auto-download.md): What is Auto Download and how does it work? How to Get a Full-Size Picture in the Response?
- [Customizable Webhook Headers](https://support.whapi.cloud/help-desk/account-and-whapi-channels/customizable-webhook-headers.md): Custom callback headers. Now you will be able to add any custom header and token to increase security
- [Channel status "Banned" or "Proxy Issue"](https://support.whapi.cloud/help-desk/account-and-whapi-channels/channel-status-banned-or-proxy-issue.md)
- [How to find out the IP channel](https://support.whapi.cloud/help-desk/account-and-whapi-channels/how-to-find-out-the-ip-channel.md): How to get the IP of your Whapi channel
- [How to Delete a Channel](https://support.whapi.cloud/help-desk/account-and-whapi-channels/how-to-delete-a-channel.md): A Whapi Channel (instance) is a connection with a phone number that has a WhatsApp account, which will be responsible for sending and receiving messages