Casim API is a Peppol-certified, FTA-aligned eInvoicing layer that integrates
directly into your systems. Any format in, PDF, XML, CSV, image, validated, compliant PINT-AE XML out.
What Casim API does for your systems.
Casim API integrates eInvoicing directly into your systems. Provide your data in any format and Casim validates, transforms and exchanges compliant eInvoices. Casim Connect enables plug and play integration for all major platforms or secure batch processing.
Built for volume
Serverless architecture scales to tens of thousands of transactions per hour. Purpose-built for large workloads, no throttling, no manual scaling, no operational overhead.
Any format, compliant output
Send invoices as PDF, XML, CSV, image or raw structured data. Casim's transformation engine converts everything to PINT-AE XML automatically. No pre-processing required.
Multi-layer validation
Every invoice is validated against UAE business rules, UBL 2.1 schema, PINT-AE spec, VAT regulations and Peppol transport rules before it leaves your system.
Large enterprise groups
Built to manage large enterpise groups with multiple entites and systems thorugh a single interface. Map your entrise structure once
UAE data residency
All platform components, message logs and backups are hosted exclusively in the UAE. Nothing leaves the region. ISO/IEC 27001 certified, AES-256, TLS 1.3.
Developer-first experience
REST API with full documentation, sandbox environment, versioned field mapping, self-managed schema configuration and real-time webhooks for status notifications.
