# Wachat ## Docs - [Check Number](https://docs.wachat.net/api-reference/check-number.md): Verify if a given phone number is registered on WhatsApp. - [Get All Groups](https://docs.wachat.net/api-reference/groups.md): Fetch all groups associated with a specific instance. - [Logout Instance](https://docs.wachat.net/api-reference/instance-logout.md): Disconnect the WhatsApp number from the specified instance. - [Get Instance QR](https://docs.wachat.net/api-reference/instance-qr.md): Retrieve the QR code needed to connect a WhatsApp device to an instance. - [Get Instance State](https://docs.wachat.net/api-reference/instance-state.md): Check the connection status of a specific instance. - [Introduction](https://docs.wachat.net/api-reference/introduction.md): Learn how to authenticate and start building with the Wachat API - [Send a Message](https://docs.wachat.net/api-reference/send.md): Send text, image, video, document, or audio messages to a specific number. - [Send Group Message](https://docs.wachat.net/api-reference/send-group.md): Send a text message to a specific WhatsApp group. - [Send Location](https://docs.wachat.net/api-reference/send-location.md): Send a location pin to a specific number. - [Send Poll](https://docs.wachat.net/api-reference/send-poll.md): Send an interactive poll to a user or group. - [Wachat Documentation](https://docs.wachat.net/index.md): The complete guide to integrating WhatsApp messaging into your application. ## OpenAPI Specs - [openapi](https://docs.wachat.net/openapi.yaml)