# USAGE_IDENTIFIER USAGE_IDENTIFIER API Reference ## Retrieve By Id Usage Identifier - [GET /rest/2.0/USAGE_IDENTIFIER/{id}](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/usage_identifier/retrieve_by_id_usage_identifier.md): Get Usage Identifier By Id ## Retrieve Filtered Usage Identifier - [GET /rest/2.0/USAGE_IDENTIFIER](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/usage_identifier/retrievefiltered_usage_identifier.md): Get record(s) using filters ## Save Usage Identifier - [POST /rest/2.0/USAGE_IDENTIFIER](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/usage_identifier/post_usage_identifier.md): Save Usage Identifier ## Update Usage Identifier - [PUT /rest/2.0/USAGE_IDENTIFIER](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/usage_identifier/put_usage_identifier.md): Update Usage Identifier ## Upsert Usage Identifier - [PATCH /rest/2.0/USAGE_IDENTIFIER](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/usage_identifier/patch_usage_identifier.md): Upsert Usage Identifier ## Delete Usage Identifier - [DELETE /rest/2.0/delete/USAGE_IDENTIFIER](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/usage_identifier/delete_usage_identifier.md): Delete Usage Identifier