Earn / Yield — added documentation covering yield on crypto and stablecoin balances.
SDK — added a TypeScript/JavaScript SDK overview and integration guide.
External Authorization — added the card transaction processing specification for partner-side authorization, plus expanded External Auth API reference.

Card top-up — POST /api/v1/cards/topup/estimate and POST /api/v1/cards/topup/execute.
FX — POST /api/v1/fx and POST /api/v1/fx/estimate for currency conversion.
Activity feed (v2) — GET /api/v2/activity/feed, GET /api/v2/activity/search, and GET /api/v2/activity/{id}.
Bank corridor (v3) — POST /api/v3/bank/estimate-corridor, POST /api/v3/bank/initiate-corridor, and POST /api/v3/bank/confirm-corridor.
Metal cards — POST /api/v1/cards/metal and POST /api/v2/cards/metal.
Configuration — GET /api/v1/config/tokens for supported token configuration.
User management — POST /api/v1/user/documents and PUT /api/v2/user/kyc-data.
Recipients — PUT /api/v2/recipients/{recipientId}.

Reorganised the API reference: statement, FX, and card top-up are now grouped into their own sections.
Updated sandbox testing documentation.
Clarified card limits and the card limit increase flow.
Corrected headers in GET /api/v2/user.
Refreshed decline codes documentation for clarity.

The following endpoints are deprecated and moved to the Obsolete section. Use the noted replacements where available:

GET /api/v1/transactions/card — use the v2 activity feed.
GET /api/v1/user/sharing-token and POST /api/v1/user/sharing-token.
POST /api/v1/cards/{cardId}/withdraw/estimate and POST /api/v1/cards/{cardId}/withdraw/execute.

Changelog

Added Card Top-Up