--- title: Introduction | Sendblue Docs description: Sendblue Documentation | iMessage for Business - Try it Free. --- Welcome to the [Sendblue](https://sendblue.com) Documentation. If you discover a bug or need support with your integration, please email us at . Here are some helpful links for getting started quickly: - [Getting started guide](/getting-started/index.md) - [API v2 Reference](/api-v2/index.md) - Full API documentation for iMessage, SMS, and RCS - [FAQ](/faq/index.md) - [Feature Roadmap](/roadmap/index.md) ## Features - ✅ **iMessage**: Send and receive iMessages programmatically - ✅ **SMS/MMS**: Full SMS and MMS support with fallback - ✅ **RCS**: Rich Communication Services for Android ([V2 lines](/api-v2/rcs/index.md)) - ✅ **Reactions**: Send tapback reactions to messages ([docs](/api-v2/reactions/index.md)) - ✅ **Read Receipts**: Mark messages as read ([docs](/api-v2/read-receipts/index.md)) - ✅ **Typing Indicators**: Show typing status ([docs](/api-v2/typing-indicators/index.md)) - ✅ **Group Messaging**: Create and manage group chats - ✅ **Contact Sharing**: Share contact cards with recipients ([V2 lines](/api-v2/contact-sharing/index.md)) - ✅ **Contacts API**: Full CRUD for contact management ([docs](/api-v2/contacts/index.md)) - ✅ **FaceTime Calling**: Initiate FaceTime calls via WebRTC ([docs](/calling/facetime/index.md)) \* - ✅ **Zapier Integration**: No-code automation [see here](/guides/zapier/index.md) *\* Requires FaceTime line purchase* ### Requests If you would like to request a feature, please send us an email at .