FBR API Version 2.5 Released with Enhanced Security Features
The latest FBR API update brings improved security protocols, faster response times, and new endpoints for invoice verification.
Technical Team
March 18, 2026
The Federal Board of Revenue has released API Version 2.5, introducing significant improvements to security, performance, and functionality for integrated systems.
New Security Features
API Version 2.5 implements enhanced security measures including:
- OAuth 2.0 authentication with refresh tokens
- TLS 1.3 mandatory encryption
- Request signing with SHA-256
- IP whitelisting for production environments
Performance Improvements
The new version delivers up to 40% faster response times for invoice submission and verification requests. Batch processing limits have been increased from 100 to 500 invoices per request.
New Endpoints
Version 2.5 introduces several new API endpoints:
/v2.5/invoice/bulk-verify- Batch invoice verification/v2.5/taxpayer/status- Real-time taxpayer status check/v2.5/reports/summary- Monthly transaction summaries
Migration Timeline
Existing integrations using API v2.0 must migrate to v2.5 by June 30, 2026. The previous version will be deprecated and eventually disabled.
Complete documentation and migration guides are available on the FBR developer portal.
