generated: '2026-07-20'
method: searched
source: https://amer.developers.trustly.com/integrate/accept-payments/integrate-client-sdk
note: >-
  Client-side embeddable checkout surface (Trustly.js Lightbox). Loaded via a
  direct script tag with an accessId query parameter; calls additionally require a
  server-generated requestSignature. Distinct from the mobile SDKs in packages/.
families:
  - name: Trustly.js (Lightbox)
    loaders:
      - env: sandbox
        url: https://sandbox.trustly.one/start/scripts/trustly.js?accessId=YOUR_ACCESS_ID
      - env: production
        url: https://trustly.one/start/scripts/trustly.js?accessId=YOUR_ACCESS_ID
    components:
      - name: Trustly.establish()
        description: Launches the full-page modal for checkout flows.
      - name: Trustly.selectBankWidget()
        description: Renders an inline widget displaying popular banks.
    required_params:
      - accessId
      - merchantId
      - requestSignature