> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.messageblue.ai/api-reference/messages/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.messageblue.ai/_mcp/server.

# Messages


## API Docs

- Messages [Check whether a phone number supports iMessage](https://docs.messageblue.ai/api-reference/messages/check-i-message.md)
- Messages [Check whether a participant set would be an iMessage or text group](https://docs.messageblue.ai/api-reference/messages/check-group-i-message.md)
- Messages [Send a text or attachment to a recipient](https://docs.messageblue.ai/api-reference/messages/send-individual.md)
- Messages [Send a text or attachment to a group chat](https://docs.messageblue.ai/api-reference/messages/send-group.md)
- Messages [Send a voice note to an individual recipient](https://docs.messageblue.ai/api-reference/messages/send-voice-note.md)
- Messages [Send a voice note to a group chat](https://docs.messageblue.ai/api-reference/messages/send-group-voice-note.md)
- Messages [Create a new group chat and send an intro message](https://docs.messageblue.ai/api-reference/messages/create-group-chat.md)
- Messages [React to an existing message with emoji or tapback](https://docs.messageblue.ai/api-reference/messages/react.md)
- Messages [Show typing indicator to a recipient](https://docs.messageblue.ai/api-reference/messages/send-typing-indicator.md)
- Messages [Stop typing indicator for a recipient](https://docs.messageblue.ai/api-reference/messages/stop-typing-indicator.md)
- Messages [Mark a conversation as read (send read receipt)](https://docs.messageblue.ai/api-reference/messages/send-read-receipt.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://docs.messageblue.ai/openapi.json)
- [OpenAPI YAML](https://docs.messageblue.ai/openapi.yaml)