# Upsert Reference List

`UpsertReferenceList`

`POST /api/referencelists`

- [OpenAPI fragment](https://www.lusid.com/docs/api/lusid/endpoints/reference-lists/UpsertReferenceList.json)
- [Rendered page](https://www.lusid.com/docs/api/lusid/endpoints/reference-lists/UpsertReferenceList)

Insert the Reference List if it does not exist or update the Reference List with the supplied state if it does exist.

## Referenced schemas

- [ReferenceListRequest](https://www.lusid.com/docs/api/lusid/schemas/ReferenceListRequest.txt)
- [ReferenceListResponse](https://www.lusid.com/docs/api/lusid/schemas/ReferenceListResponse.txt)

[< ReferenceLists](https://www.lusid.com/docs/api/lusid/endpoints/reference-lists/llms.txt)