generated: '2026-07-20'
method: searched
source: https://github.com/reactioncommerce/reaction
notes: >-
  Reaction Commerce was acquired by Mailchimp in 2020 and rebranded as Mailchimp
  Open Commerce. The core open-source `reaction` GraphQL platform repository is
  marked discontinued, though the developer documentation and npm packages
  remain published. The original reactioncommerce.com domain no longer resolves.
status: discontinued
maintenance: community / archived
versioning:
  scheme: track-based
  mechanism: >-
    Platform "tracks" with schema/data version compatibility enforced via
    api-migrations and @reactioncommerce/db-version-check.
  docs: https://github.com/reactioncommerce/api-migrations
deprecation:
  policy_url: null
  sunset_header: false
  note: >-
    No formal per-operation deprecation policy is published; the whole core
    platform is discontinued as of the Mailchimp Open Commerce wind-down.
sla:
  url: null
status_page: null
current_docs: https://mailchimp.com/developer/open-commerce/
source_code: https://github.com/reactioncommerce/reaction