# Extension Points / API Surface Growth

> "extension-points" (extensibility-core layer) is traded against "API Surface Growth" (extensibility-core layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "API Surface Growth" and choosing an explicit operating point.

Record: `tension:api-surface-growth-extension-points`
Kind: tension
Canonical: https://banes-lab.com/ontology/schema#tension-api-surface-growth-extension-points

## tensions-with

- [Extension Points](https://banes-lab.com/records/arch/extension-points.md)
- [API Surface Growth](https://banes-lab.com/records/lex/api-surface-growth.md)