Card Developer

Updates

Changelog

New features, improvements, fixes and breaking changes to the UC Card API, developer console and docs.

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  1. v1.1.0Latest

    Platform

    HTP is now UC Card, plus Continue with UC Card

    The developer platform is renamed to UC Card. Any UC Card Partner can now let UC Card users sign in with their UC Card account, and this changelog is live so you never miss an update.

    • ImprovedAll guides, the API reference and the developer tools now use the UC Card name and the official UC logo with "Card" as text.
    • DocsRewrote the Sign in with UC Card guide: how it works, a full Node.js server example, linking existing accounts, and design guidelines with mockups (partner website on desktop and mobile, and the UC Card sign-in card).
    • NewSign-in button generator (Tools → Sign-in button): choose a theme, label, language, shape and size, then copy the HTML and CSS.
    • DocsCode samples in Node.js, Python, Go, Java and PHP across the Quickstart, plus a signature-only function and a Postman pre-request script in Authentication.
    • DocsFlow diagrams redrawn as step-by-step charts, including a new callback verification diagram (sign → verify → 200 or 401 → retries).
    • NewChangelog page with an update alert in the header, and an RSS feed at /changelog.xml you can subscribe to.

    What you need to do

    No code changes needed. API paths, headers, key prefixes (ok_test_ / ok_live_) and callback formats are unchanged.

  2. v1.0.0

    Platform

    Developer portal launch

    First public release of the developer portal for Sign in and USDT payments.

    • New14 guides covering quickstart, console setup, Sign in (OIDC + PKCE), request signing, payments, callbacks, refunds, payouts, reconciliation, sandbox testing and go-live.
    • NewAPI reference generated from the Open Payment OpenAPI 3.1 spec, with a downloadable YAML file.
    • NewSignature generator and callback verifier tools.