# Targeting Segments

Targeting Segments

 - [GET /targeting_segments](https://apidocs.mediamath.com/apis/campaigns-api/openapi/targeting-segments/list-targeting-segments.md): Get a list of targeting segments
 - [POST /targeting_segments/taxonomy_upload](https://apidocs.mediamath.com/apis/campaigns-api/openapi/targeting-segments/targeting-segments-taxonomy-upload.md): Validates a CSV taxonomy file for the given targeting vendor and returns an impact report (segment counts before/after, diff, affected strategies). **Nothing is written to the database** — this is a d
 - [POST /targeting_segments/taxonomy_upload/apply](https://apidocs.mediamath.com/apis/campaigns-api/openapi/targeting-segments/targeting-segments-taxonomy-upload-apply.md): Validates a CSV taxonomy file for the given targeting vendor and, if valid, commits all changes to the database (inserts, updates, retirements). Returns the same impact report as the dry-run endpoint,