> For the complete documentation index, see [llms.txt](https://help.1msg.io/platform-1msg/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.1msg.io/platform-1msg/getting-start.md).

# Getting Start

- [Quick start](https://help.1msg.io/platform-1msg/getting-start/quick-start.md)
- [Quick start (old)](https://help.1msg.io/platform-1msg/getting-start/quick-start-old.md)
- [Connection WABA](https://help.1msg.io/platform-1msg/getting-start/connection-waba.md)
- [WABA Coexistence](https://help.1msg.io/platform-1msg/getting-start/waba-coexistence.md): You can now connect a number to WhatsApp Cloud API even if it is already linked to the WhatsApp Business app.
- [Pricing and Billing](https://help.1msg.io/platform-1msg/getting-start/pricing-and-billing.md)
- [Subscription plans](https://help.1msg.io/platform-1msg/getting-start/pricing-and-billing/subscription-plans.md)
- [Messaging costs](https://help.1msg.io/platform-1msg/getting-start/pricing-and-billing/messaging-costs.md): How template message billing works in WhatsApp Business API (WABA)
- [Support](https://help.1msg.io/platform-1msg/getting-start/support.md)
- [Copy of Support](https://help.1msg.io/platform-1msg/getting-start/copy-of-support.md)