# API

Express routers under `/api/*`, mounted in `backend/src/index.ts`. All
responses are JSON except the CSV exports. Errors follow `{ "error": string }`.

- [Auth routes](./auth-routes.md) - `/api/auth/*` - Google sign-in, logout, current session
- [Attendance routes](./attendance-routes.md) - `/api/attendance/*` - the employee's own clock in/out and stats
- [Shift planning routes (employee)](./shifts-routes.md) - `/api/shifts/*` - browse open slots, sign up, cancel
- [Closure routes (employee)](./closure-routes.md) - `/api/closure/*` - confirm the month's docházka
- [Admin routes](./admin-routes.md) - `/api/admin/*` - employee management + pay rates, org/individual stats, shift planning admin, payroll, CSV exports