# Coupa GraphQL API Coupa is a business spend management platform covering procurement, invoicing, expense management, pay, and supply chain design. The API covers purchase orders, invoices, suppliers, expense reports, contracts, budgets, and sourcing events. **Endpoint:** No native GraphQL endpoint — conceptual schema derived from Coupa REST API **Documentation:** https://compass.coupa.com/en-us/products/product-documentation/integration-technical-documentation - Reference: https://compass.coupa.com/en-us/products/product-documentation/integration-technical-documentation/coupa-core-api - Schema: https://github.com/api-evangelist/coupa