# BILLING_ACTIVITY_FORMULA BILLING_ACTIVITY_FORMULA API Reference ## Retrieve By Id Billing Activity Formula - [GET /rest/2.0/BILLING_ACTIVITY_FORMULA/{id}](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/billing_activity_formula/retrieve_by_id_billing_activity_formula.md): Get Billing Activity Formula By Id ## Retrieve Filtered Billing Activity Formula - [GET /rest/2.0/BILLING_ACTIVITY_FORMULA](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/billing_activity_formula/retrievefiltered_billing_activity_formula.md): Get record(s) using filters ## Save Billing Activity Formula - [POST /rest/2.0/BILLING_ACTIVITY_FORMULA](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/billing_activity_formula/post_billing_activity_formula.md): Save Billing Activity Formula ## Update Billing Activity Formula - [PUT /rest/2.0/BILLING_ACTIVITY_FORMULA](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/billing_activity_formula/put_billing_activity_formula.md): Update Billing Activity Formula ## Delete Billing Activity Formula - [DELETE /rest/2.0/delete/BILLING_ACTIVITY_FORMULA](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/billing_activity_formula/delete_billing_activity_formula.md): Delete Billing Activity Formula