generated: '2026-07-18'
method: searched
source:
  - https://github.com/brightback/brightbackjs
  - https://help.brightback.com/article/43-installing-chargebee-retention
note: >-
  brightbackjs is the official first-party JavaScript library maintained by the
  Brightback GitHub org. Repository was archived 2025-10-24 following the
  Chargebee Retention consolidation. Distributed primarily via a hosted CDN
  script rather than a package registry (no public npm/PyPI package located).
packages:
  - language: javascript
    registry: github
    name: brightbackjs
    url: https://github.com/brightback/brightbackjs
    install: '<script src="https://app.brightback.com/js/current/brightback.js?compiled=true"></script>'
    cdn: https://app.brightback.com/js/current/brightback.js?compiled=true
    official: true
    archived: true
    note: >-
      Official JS library exposing window.Brightback.handleData() and
      handleDataPromise(). Also served from
      https://app.retention.chargebee.com/js/current/brightback.js