# 1MSG KNOWLEDGE BASE

## 1MSG KNOWLEDGE BASE

- [Welcome to 1msg.io knowledge base!](https://help.1msg.io/1msg-knowledge-base/welcome.md): Detailed information about the 1msg service.
- [Attaching your WhatsApp number to WABA — detailed guide](https://help.1msg.io/1msg-knowledge-base/onboarding/attaching-your-whatsapp-number-to-waba-detailed-guide.md): In this guide we will describe how to connect your number to WhatsApp Business API (hereinafter WABA).
- [Troubleshooting while onboarding flow](https://help.1msg.io/1msg-knowledge-base/troubleshooting-while-onboarding-flow.md): Here we will look at the most common problems and ways to solve them
- [Obtaining the green checkmark badge](https://help.1msg.io/1msg-knowledge-base/obtaining-the-green-checkmark-badge.md)
- [Creation of template](https://help.1msg.io/1msg-knowledge-base/template/creation-of-template.md)
- [Create a Carousel template](https://help.1msg.io/1msg-knowledge-base/template/creation-of-template/create-a-carousel-template.md)
- [Create a Catalog template](https://help.1msg.io/1msg-knowledge-base/template/creation-of-template/create-a-catalog-template.md)
- [Sending a template](https://help.1msg.io/1msg-knowledge-base/template/sending-a-template.md)
- [Work with API](https://help.1msg.io/1msg-knowledge-base/template/work-with-api.md)
- [Creating a template via API](https://help.1msg.io/1msg-knowledge-base/template/work-with-api/creating-a-template-via-api.md)
- [Create a Carousel template](https://help.1msg.io/1msg-knowledge-base/template/work-with-api/creating-a-template-via-api/create-a-carousel-template.md)
- [Create a Catalog template](https://help.1msg.io/1msg-knowledge-base/template/work-with-api/creating-a-template-via-api/create-a-catalog-template.md)
- [Sending a template via API](https://help.1msg.io/1msg-knowledge-base/template/work-with-api/sending-a-template-via-api.md)
- [Basic flow builder overview](https://help.1msg.io/1msg-knowledge-base/flow-builder/basic-flow-builder-overview.md)
- [Building the example flow](https://help.1msg.io/1msg-knowledge-base/flow-builder/building-the-example-flow.md): Let's dive into creating the interactive scenario
- [Flow block types](https://help.1msg.io/1msg-knowledge-base/flow-builder/flow-block-types.md): Here we will describe the "building bricks" that make up a flow
- [Troubleshooting](https://help.1msg.io/1msg-knowledge-base/flow-builder/troubleshooting.md): We recommend testing your bot every time you create or modify your scripts. It is very important that you, and not your potential or existing customers, encounter bot bugs during work.
- [Tariffs and payments](https://help.1msg.io/1msg-knowledge-base/billing/tariffs-and-payments.md): What you pay money for and how it is paid for
- [❗️ Important changes to WhatsApp Business API pricing from 1 July 2025](https://help.1msg.io/1msg-knowledge-base/billing/important-changes-to-whatsapp-business-api-pricing-from-1-july-2025.md)