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title: Interaction Service API Release Notes
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# Interaction Service API Release Notes

This section describes recent changes that have been made to this guide. To see the latest feature updates for Bring Your Own Channel for Messaging and Bring Your Own Channel for CCaaS, visit [Bring Your Own Channel release notes](https://help.salesforce.com/s/articleView?id=release-notes.rn_messaging_byoc.htm).

## Updates for Summer ’26

- Extended [Update an AgentWork Record](/docs/service/interaction-service-api/references/interaction-service-reference/api-agentWork-patch.html) so that partners can close an AgentWork record.
- Added content for Bring Your Own Bot for Messaging:
  - Added a Bring Your Own Bot (BYOB) sample payload to [Update an AgentWork Record](/docs/service/interaction-service-api/references/interaction-service-reference/api-agentWork-patch.html) for the Accept, Decline, and Close bot actions.
  - Added [Bring Your Own Bot Setup Entities](/docs/service/interaction-service-api/references/interaction-service-reference/byob-setup-entities.html) reference documentation, including `ExtConvParticipantIntegDef` and `ExternalConversationBotDef`.
  - Added a Bring Your Own Bot (BYOB) sample payload to [Send a Message Through a Chatbot](/docs/service/interaction-service-api/references/interaction-service-reference/api-conversationEntry-post.html), including typing started and typing stopped indicators.
  - Added a Bring Your Own Bot (BYOB) sample payload to [Retrieve Conversation Entries](/docs/service/interaction-service-api/references/interaction-service-reference/api-conversationEntry-get.html).
  - Added Bring Your Own Bot (BYOB) sample payloads to [Route a Conversation](/docs/service/interaction-service-api/references/interaction-service-reference/api-route.html) for initial routing with flow and transfer-to-queue scenarios.
  - Added `StaticContentMessage`, `ChoicesResponseMessage`, and `FormResponseMessage` Bring Your Own Bot (BYOB) sample payloads to [Register Capabilities](/docs/service/interaction-service-api/references/interaction-service-reference/api-capabilities.html).

## Updates for Spring ’26

- Updated [Generate an Access Token](https://developer.salesforce.com/docs/service/interaction-service-api/guide/authorization.md) to provide instructions for integrations that use an external client app (ECA) instead of a connected app.

## Updates for Winter ’26

- Added [End or Inactivate a Messaging Session API](/docs/service/interaction-service-api/references/interaction-service-reference/api-messagingsession.html).
- Added [Remove Participant API](/docs/service/interaction-service-api/references/interaction-service-reference/api-participant.html).
- Added [Register Capabilities API](/docs/service/interaction-service-api/references/interaction-service-reference/api-capabilities.html).
- Added maximum length information for the value of `routingAttributes` key/value pair in [Route API](/docs/service/interaction-service-api/references/interaction-service-reference/api-route.html) and [Message Interaction API](/docs/service/interaction-service-api/references/interaction-service-reference/interaction-type-message.html).

## Updates for Summer ’25

- Added [rate limits](https://developer.salesforce.com/docs/service/interaction-service-api/guide/rate-limits.md) information.
- Added Conference value for `agentActionVisibilities` in [Create AgentWork API](/docs/service/interaction-service-api/references/interaction-service-reference/api-agentWork.html).
- Added Conference value for `routingType` in [Route API](/docs/service/interaction-service-api/references/interaction-service-reference/api-route.html).
- Added `cancelReason` to [Clear Routing API](/docs/service/interaction-service-api/references/interaction-service-reference/api-route-delete.html).