# Upsert Legal Entity `UpsertLegalEntity` `POST /api/legalentities` - [OpenAPI fragment](https://www.lusid.com/docs/api/lusid/endpoints/legal-entities/UpsertLegalEntity.json) - [Rendered page](https://www.lusid.com/docs/api/lusid/endpoints/legal-entities/UpsertLegalEntity) Create or update a legal entity ## Referenced schemas - [UpsertLegalEntityRequest](https://www.lusid.com/docs/api/lusid/schemas/UpsertLegalEntityRequest.txt) - [LegalEntity](https://www.lusid.com/docs/api/lusid/schemas/LegalEntity.txt) [< Legal Entities](https://www.lusid.com/docs/api/lusid/endpoints/legal-entities/llms.txt)