generated: '2026-07-18'
method: searched
source: https://docs.columntax.com/docs/launch-ui-guide
note: 'Embeddable client-side surfaces that render the Column Tax filing UI inside a partner app.
  Distinct from server-side SDKs; the backend REST API is called directly (HTTP Basic).'
families:
- name: Web loader
  description: 'Hosted JavaScript loader that opens the Column Tax filing UI in the browser using a
    short-lived authenticated user URL.'
  loaders:
  - environment: sandbox
    url: https://app-sandbox.columnapi.com/column-tax.js
  - environment: production
    url: https://app.columnapi.com/column-tax.js
- name: iOS SDK
  description: 'Native SwiftUI component that presents the filing WebView.'
  entrypoint: ColumnTaxFile
  props: [userUrl, isPresented, handleClose]
  package: packages/column-tax-packages.yml (column-tax-ios-sdk)
- name: Android SDK
  description: 'Native Activity that launches the filing UI.'
  entrypoint: ColumnTaxFileActivity
  init: [applicationContext, userUrl]
  package: packages/column-tax-packages.yml (com.columntax.columntaxsdk:column-tax-sdk)
- name: React Native SDK
  description: 'React Native component rendered as a modal overlay or embedded screen.'
  entrypoint: ColumnTaxFile
  props: [userUrl, handleClose]
  package: packages/column-tax-packages.yml (@columntax/column-tax-react-native-sdk)