# Upsert Placement `UpsertPlacements` `POST /api/placements` - [OpenAPI fragment](https://www.lusid.com/docs/api/lusid/endpoints/placements/UpsertPlacements.json) - [Rendered page](https://www.lusid.com/docs/api/lusid/endpoints/placements/UpsertPlacements) Upsert; update existing placements with given ids, or create new placements otherwise. ## Referenced schemas - [PlacementSetRequest](https://www.lusid.com/docs/api/lusid/schemas/PlacementSetRequest.txt) - [ResourceListOfPlacement](https://www.lusid.com/docs/api/lusid/schemas/ResourceListOfPlacement.txt) [< Placements](https://www.lusid.com/docs/api/lusid/endpoints/placements/llms.txt)