SAP Ariba SAP Ariba Invoice Management API Manages invoice processing, approval workflows, and payment status tracking. Documentation GitHub OpenAPI Documentation 📖 Documentation https://developer.ariba.com/api/apis/invoices/overview Specifications ⚙ OpenAPI https://developer.ariba.com/api/invoices/openapi.json Other Resources 🔗 Hub https://api.sap.com/package/SAPAribaOpenAPIs/rest