# WhiteBooks KSA e-Invoice API for Developers > WhiteBooks KSA e-Invoice API: ZATCA-compliant e-Invoice REST API for Saudi Arabia. ZATCA Phase 2 (Integration) compliant — real-time clearance for standard tax invoices, reporting for simplified tax invoices, XAdES-BES signing, QR code embedding. URL: https://whitebooks.in/api/ksa-e-invoice-api-for-developers ## Key facts - ZATCA Phase 2 (Integration) compliant - Standard tax invoices: real-time clearance mode (online submission required) - Simplified tax invoices: reporting mode (B2C, online submission of summary) - XAdES-BES signing with taxpayer cryptographic stamp · QR code embedding - Bilingual XML invoice generation: Arabic + English · SAR + multi-currency support - CSR generation + CSID storage handled by WhiteBooks - FATOORA portal integration · CompID + CryptoID lifecycle management - Simulation sandbox mirrors ZATCA pre-production environment ## Contact - Sales: +91 9032111788 · sales@whitebooks.in - Technical support: +91 9032111388 · support@whitebooks.in - Registered Office: 8-2-682/3/A/24, Road No 12, Banjara Hills, Hyderabad, Telangana 500034, India - Corporate Office: Flat No: 303, Gayathri Heights, Jubilee Enclave, Hitech City, Hyderabad, Telangana 500081, India - Parent company: WhiteBooks is the product of BVM IT Consulting Services India Pvt Ltd (www.bvmcs.com) ## Machine-readable resources - Site-wide index: https://whitebooks.in/llms.txt - Full content: https://whitebooks.in/llms-full.txt - AI crawler policy: https://whitebooks.in/.well-known/ai.txt - Sitemap: https://whitebooks.in/sitemap-index.xml - Robots: https://whitebooks.in/robots.txt