# INVOICE_GROUP INVOICE_GROUP API Reference ## Retrieve By Id Invoice Section - [GET /rest/2.0/INVOICE_GROUP/{id}](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/invoice_group/retrieve_by_id_invoice_group.md): Get Invoice Section By Id ## Retrieve Filtered Invoice Section - [GET /rest/2.0/INVOICE_GROUP](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/invoice_group/retrievefiltered_invoice_group.md): Get record(s) using filters ## Save Invoice Section - [POST /rest/2.0/INVOICE_GROUP](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/invoice_group/post_invoice_group.md): Save Invoice Section ## Update Invoice Section - [PUT /rest/2.0/INVOICE_GROUP](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/invoice_group/put_invoice_group.md): Update Invoice Section ## Upsert Invoice Section - [PATCH /rest/2.0/INVOICE_GROUP](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/invoice_group/patch_invoice_group.md): Upsert Invoice Section ## Delete Invoice Section - [DELETE /rest/2.0/delete/INVOICE_GROUP](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/invoice_group/delete_invoice_group.md): Delete Invoice Section