Changelog

What’s new

Releases, fixes, deprecations, and breaking changes across the WhiteBooks APIs. Breaking changes are always announced here before they ship.

Jun 3, 2026
v3.4.0
Added

45 API endpoint reference landing pages across the GST, e-Invoice, and e-Way Bill namespaces, each with schema markup.

Added

Embedded product demos on the /apis hub and a 12-brand customer logo strip.

Added

Public JSON error catalog at /developer/errors documenting 14 error codes.

Fixed

Mobile responsive layout issues across 320px–1024px viewports.

Fixed

Double-slash blog URLs and favicon declarations on 31 use-case pages.

May 22, 2026
v3.2.0
Added

Public OpenAPI 3.0 specifications at stable URLs for all APIs.

Added

Comparison pages versus Masters India, ClearTax, and Quicko Sandbox.

Added

Public status page with 30/90-day uptime and incident history.

May 10, 2026
v3.1.2
Fixed

e-Invoice API p95 latency regression — IRN response time back below 350ms.

Fixed

e-Way Bill NIC transient 5xx handling now retries with exponential backoff.

Apr 18, 2026
v3.1.1
Added

SDK releases for Node.js, Python, and Java with webhook callback support.

Mar 25, 2026
v3.1.0
Added

Bulk e-Way Bill endpoint accepting up to 1,000 EWBs per call.

Deprecated

Legacy GSTR-2B endpoint — removal scheduled for Jul 1, 2026.

Feb 12, 2026
v3.0.0
Breaking

Access-token expiry reduced from 24h to 1h. Official SDKs handle refresh automatically.