generated: '2026-07-21'
method: searched
source: https://docs.string.xyz/docs/our-products
description: >-
  String's client-side / embeddable payment surfaces for Web3 games — distinct
  from the server/client SDKs catalogued in packages/. String ships three
  integration products that render the payment experience inside a game, each
  wrapping the String API into a few calls.
docs:
- https://docs.string.xyz/docs/our-products
- https://docs.string.xyz/docs/checkout-how-it-works
- https://docs.string.xyz/docs/unity-how-it-works
- https://docs.string.xyz/docs/direct-how-it-works
families:
  checkout:
    description: String Checkout — a drop-in, hosted payment app (rendered as an iframe) that handles the full quote/payment/transact flow with minimal integration.
    components:
    - {name: String Checkout, description: Prebuilt payment surface embedded into the game; loaded via the @stringpay/sdk Checkout SDK.}
    loader: "@stringpay/sdk"
    docs: https://docs.string.xyz/docs/checkout-implementation-guide
  unity:
    description: String Unity — native Unity integration for embedding String payments directly in a Unity game.
    components:
    - {name: String Unity SDK, description: C# Unity package that renders the String payment flow inside the game engine.}
    loader: String-xyz/unity-sdk
    docs: https://docs.string.xyz/docs/unity-implementation-guide
  direct:
    description: String Direct — a custom web SDK for building a fully branded, immersive Web3 browser-game payment experience with CSS styling control.
    components:
    - {name: String Direct, description: Low-level web SDK surface for custom-rendered payment UX, with String Direct CSS styling.}
    docs: https://docs.string.xyz/docs/direct-implementation-guide