Reference
API and SDK changelog
Public changes to Fragment API integration guides, async SDK support, starters, and client-signed checkout.
SDK 1.4.0 — 12 October 2026
AsyncFragmentAPI adds async network requests and polling. The synchronous FragmentAPI interface remains available.
Client-signed checkout helpers and typed results support creating and tracking wallet-approved payments. Install the async extra when using AsyncFragmentAPI.
Developer integration update — 12 October 2026
Added an integration builder, focused guides, persistent aiogram and Node.js starters, and a local mock for testing error paths.
The public /api/v1/checkouts contract exposes wallet-approved transactions. Existing wallet-backed purchase routes remain compatible.
SDK 1.3.0
Added pre-payment recipient checks. Price helpers, wallet selection, Stars, and Premium remain available.