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Conceptify billing uses Autumn for feature-gating, usage events, and subscription workflows.

Current capabilities

  • checkout and portal APIs
  • plan and budget-aware usage checks
  • usage summary and limits endpoints
  • cancellation and payment setup flows

Why this matters

This is the foundation for usage-aware pricing and product analytics. It also powers dogfood validation with Ponzu PR reviews during rollout.

Implementation notes

  • Keep auth + billing boundaries explicit
  • Keep usage events append-only for billing accuracy
  • Keep docs updated with every pricing/limit behavior change