generated: '2026-07-19'
method: searched
source: https://www.npmjs.com/package/halliday-sdk
packages:
- language: javascript
  registry: npm
  name: halliday-sdk
  url: https://www.npmjs.com/package/halliday-sdk
  install: npm install halliday-sdk
  official: true
  notes: Core Halliday Payments JS/TS SDK (publisher erichalliday).
- language: javascript
  registry: npm
  name: "@halliday-sdk/payments"
  url: https://www.npmjs.com/package/@halliday-sdk/payments
  install: npm install @halliday-sdk/payments
  official: true
  notes: Drop-in payments widget (openHallidayPayments). Also served via CDN at cdn.jsdelivr.net/npm/@halliday-sdk/payments.
- language: javascript
  registry: npm
  name: "@halliday-sdk/accounts"
  url: https://www.npmjs.com/package/@halliday-sdk/accounts
  install: npm install @halliday-sdk/accounts
  official: true
  notes: Accounts SDK (publisher erichalliday).
- language: csharp
  registry: github
  name: HallidayInc/UnitySDK
  url: https://github.com/HallidayInc/UnitySDK
  install: null
  official: true
  notes: Unity game-engine SDK (archived).
- language: cpp
  registry: github
  name: HallidayInc/halliday-unreal-sdk
  url: https://github.com/HallidayInc/halliday-unreal-sdk
  install: null
  official: true
  notes: Unreal Engine integration SDK.