# Activations Activation is the process that allows marketers to personalize communication to users interested in your brand.

_Known formerly as syndication in Audience Studio Legacy. You may continue to see syndication referenced in Treasure Data APIs._ ## Retrieve list of activations recursively under a folder - [GET /audiences/{audienceId}/folders/{folderId}/syndications](https://td-public.redocly.app/apis/td_cdp_api-public/activations/segment_folders_syndications.md): Retrieve a list of activations (formerly syndications) recursively under a folder. ## Retrieve list of activations in segment - [GET /audiences/{audienceId}/segments/{segmentId}/syndications](https://td-public.redocly.app/apis/td_cdp_api-public/activations/syndications_index.md): Retrieve a list of activations (formerly syndications) associated with a segment. ## Create activation - [POST /audiences/{audienceId}/segments/{segmentId}/syndications](https://td-public.redocly.app/apis/td_cdp_api-public/activations/syndications_create.md): Create a new activation (formerly syndication). ## Retrieve activation by ID - [GET /audiences/{audienceId}/segments/{segmentId}/syndications/{syndicationId}](https://td-public.redocly.app/apis/td_cdp_api-public/activations/syndications_show.md): Retrieve an activation (formerly syndication) based on its identifier. ## Update activation - [PUT /audiences/{audienceId}/segments/{segmentId}/syndications/{syndicationId}](https://td-public.redocly.app/apis/td_cdp_api-public/activations/syndications_update.md): Update an activation (formerly syndication). ## Delete activation - [DELETE /audiences/{audienceId}/segments/{segmentId}/syndications/{syndicationId}](https://td-public.redocly.app/apis/td_cdp_api-public/activations/syndications_delete.md): Delete an activation (formerly syndication). ## Run activation (legacy) - [POST /audiences/{audienceId}/segments/{segmentId}/syndications/{syndicationId}/run](https://td-public.redocly.app/apis/td_cdp_api-public/activations/syndications_run.md): Run an activation (formerly syndication). _This endpoint is for Audience Studio legacy. For the latest Audience Studio, contact your Customer Success Representative._ ## Retrieve list of activations in audience - [GET /audiences/{audienceId}/syndications](https://td-public.redocly.app/apis/td_cdp_api-public/activations/audience_syndications_index.md): Retrieve a list of activations (formerly syndications) associated with a parent segment ID and view their status and/or schedules. ## Retrieve list of activations - [GET /entities/segments/{segmentId}/syndications](https://td-public.redocly.app/apis/td_cdp_api-public/activations/activation_index.md): Retrieve a list of activations for a particular segment ID. ## Create activation - [POST /entities/segments/{segmentId}/syndications](https://td-public.redocly.app/apis/td_cdp_api-public/activations/activation_create.md): Create an activation (formerly syndication). ## Retrieve list of activations - [GET /entities/segments/{segmentId}/syndications/{id}](https://td-public.redocly.app/apis/td_cdp_api-public/activations/activation_show.md): Retrieve a list of activations for a segment ID. ## Update activation - [PATCH /entities/segments/{segmentId}/syndications/{id}](https://td-public.redocly.app/apis/td_cdp_api-public/activations/activation_update.md): Update an activation. ## Delete activation - [DELETE /entities/segments/{segmentId}/syndications/{id}](https://td-public.redocly.app/apis/td_cdp_api-public/activations/activation_delete.md): Delete an activation. ## Run activation - [POST /entities/segments/{segmentId}/syndications/{id}/run](https://td-public.redocly.app/apis/td_cdp_api-public/activations/paths/~1entities~1segments~1%7Bsegmentid%7D~1syndications~1%7Bid%7D~1run/post.md): Run an activation by specifying its ID and segment ID. ## Retrieve list of activations by parent segment - [GET /entities/parent_segments/{parentSegmentId}/syndications](https://td-public.redocly.app/apis/td_cdp_api-public/activations/paths/~1entities~1parent_segments~1%7Bparentsegmentid%7D~1syndications/get.md): Retrieve a list of activations based on a parent segment. ## List of workflow project names - [GET /entities/parent_segments/{parentSegmentId}/user_defined_workflow_projects](https://td-public.redocly.app/apis/td_cdp_api-public/activations/paths/~1entities~1parent_segments~1%7Bparentsegmentid%7D~1user_defined_workflow_projects/get.md): Returns a list of workflow project names ## List of workflow names - [GET /entities/parent_segments/{parentSegmentId}/user_defined_workflows](https://td-public.redocly.app/apis/td_cdp_api-public/activations/paths/~1entities~1parent_segments~1%7Bparentsegmentid%7D~1user_defined_workflows/get.md): Returns a list of workflow names