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RCS Business Messaging

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AT&T's API allows access for previously approved Aggregators to send RCS business Messages on behalf of a Brand, to AT&T users.

The Rich Communication Services (RCS) API provided by AT&T enables external consumers to leverage advanced messaging capabilities to communicate with RCS clients on mobile devices. Here's an overview of the key features and functionalities supported by the RCS API:

Key Features of AT&T's RCS API

  1. Sending Messages:Text Messages: Send rich text messages that can include multimedia content such as images, videos, and audio files.
  2. Getting Phone Capabilities:Capability Discovery: Query the capabilities of a recipient's device to determine whether it supports RCS features. This includes checking if the device can receive rich media, participate in group chats, and more. This enables receiving real-time updates on the capabilities of contacts as they change or as they become available.
  3. Revoking Messages:Message Recall: Ability to revoke or delete sent messages before they are read by the recipient. This feature is useful for correcting mistakes or retracting sensitive information.
  4. RCS Supported Events:Typing Indicators: Send notifications when an agent is typing a message. This enhances real-time communication by indicating active engagement.Read Receipts: Notify senders when their messages have been read by the agent, including timestamps for when the message was read.
  5. Bulk Get Capabilities is not supported!

API Integration and Usage

  • Authentication: Secure access to the RCS API through OAuth 2.0, ensuring that only authorized applications can interact with the service.
  • Endpoints: A set of RESTful API endpoints for performing various operations such as sending messages, querying device capabilities, revoking messages, and managing event notifications.
  • Payload Formats: JSON is used for request and response payloads, providing a standardized and easy-to-parse format for data exchange.
  • Rate Limiting: Implemented to ensure fair usage and prevent abuse, with specific limits on the number of API calls per minute/hour.
  • Content Urls: For content urls in messages, Agents/Aggregators shall upload the content directly to google and use Google urls on message sent with this API to AT&T .

Benefits of Using AT&T's RCS API

  • Enhanced User Experience: Leverage rich media and interactive messaging features to create more engaging and dynamic user interactions.
  • Real-Time Communication: Improved communication with real-time indicators and status updates, making conversations more fluid and responsive.
  • Broad Compatibility: Support for a wide range of devices and RCS clients, ensuring broad reach and compatibility across different platforms.
  • Secure and Reliable: Built with robust security measures and reliable delivery mechanisms to ensure that messages are transmitted safely and efficiently.

For more information on integrating with AT&T's RCS API, including detailed documentation and support resources, please visit the AT&T Developer Portal.

***The API Schema presented in this asset is aligned with Google RBM response as of date Nov 20 2024

Differences from Google API

  • AT&T message Request has added new properties to support different callback url
  • on creation of a message or event, the AT&T message/event id is returned in body

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