# Undocumented Systems Review

**Last Updated:** 2026-01-20

Review of systems, features, and APIs to identify undocumented areas.

## API Endpoints

### Documented APIs

**Location:** `docs/reference/api/`

- `api-error-handling.md` - API error handling patterns ✅
- `cron-jobs.md` - Cron job documentation ✅
- `STANDARDIZED_API_HELPERS.md` - API helper functions ✅
- `hubspot-integration-openapi.yaml` - HubSpot API reference ✅

### API Files in Codebase

**Location:** `v2/api/`

- `collect-lead.php` - Lead collection API ✅ Documented
- `contact.php` - Contact API ✅ Documented
- `lead-capture.php` - Lead capture API ✅ Documented
- `addon-request.php` - Addon request API ✅ Documented
- `webinar-registration.php` - Webinar registration API ✅ Documented
- `payroll-webinar-registration.php` - Payroll webinar API ✅ Documented
- `submit-template.php` - Template submission API ✅ Documented
- `generate_excel.php` - Excel generation API ✅ Documented
- `export-workdays.php` - Workdays export API ✅ Documented

**Status:** Most APIs have documentation. Review individual endpoints for completeness.

## Systems Documentation

### Documented Systems

**Location:** `docs/systems/`

- `excel-generator/` - Excel template generator ✅
- `product-updates/` - Product updates system ✅
- `forms/` - Form system ✅
- `lead-capture/` - Lead capture system ✅
- `shiftops/` - ShiftOps system ✅
- `shared-components/` - Shared components ✅

### Systems in Codebase

**Location:** `v2/systems/`

- Multiple system directories exist
- Check if all have corresponding documentation

**Action:** Review `v2/systems/` directory structure and compare with `docs/systems/` to identify gaps.

## Features

### Documented Features

**Location:** `docs/content/product-features/`

- Product feature documentation exists
- Check completeness

### Features in Codebase

**Location:** `v2/pages/product_*.php`

- Multiple product pages exist
- Verify all have documentation

**Action:** Compare product pages with feature documentation to identify gaps.

## Next Steps

1. **API Documentation Audit**
   - Review all API endpoints in `v2/api/`
   - Verify each has documentation
   - Check for missing endpoints

2. **Systems Documentation Audit**
   - Compare `v2/systems/` with `docs/systems/`
   - Identify undocumented systems
   - Create documentation for missing systems

3. **Feature Documentation Audit**
   - Compare product pages with feature docs
   - Identify missing feature documentation
   - Create documentation for missing features

## Related Documentation

- **[DOCUMENTATION_GAPS.md](DOCUMENTATION_GAPS.md)** - Documentation gaps analysis
- **[DOCUMENTATION_GAPS_ANALYSIS_2026.md](DOCUMENTATION_GAPS_ANALYSIS_2026.md)** - Comprehensive gap analysis
- **[api/README.md](reference/api/README.md)** - API documentation index