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api rest api
Douwe de Vries edited this page Jul 2, 2026
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The REST API supports browser mode. It creates sessions, loads files, suggests mappings, runs comparisons, exports results, and saves or loads user artifacts.
| Route | Method | Handler | Purpose |
|---|---|---|---|
/api/health |
GET | health_check |
Status and version. |
/api/sessions |
POST | create_session |
Create a session. |
/api/sessions/{session_id} |
DELETE | delete_session |
Delete a session. |
/api/sessions/{session_id}/files/{file_letter} |
POST | load_csv_file |
Load File A or File B as multipart. |
/api/sessions/{session_id}/mappings |
POST | suggest_mappings |
Suggest column mappings. |
/api/sessions/{session_id}/compare |
POST | compare |
Run comparison. |
/api/sessions/{session_id}/export |
GET | export_csv |
Download CSV export. |
/api/sessions/{session_id}/pair-order/save |
POST | save_pair_order |
Download pair-order file. |
/api/sessions/{session_id}/pair-order/load |
POST | load_pair_order |
Load pair-order contents. |
/api/sessions/{session_id}/comparison-snapshot/save |
POST | save_comparison_snapshot |
Download snapshot file. |
/api/sessions/{session_id}/comparison-snapshot/load |
POST | load_comparison_snapshot |
Load snapshot contents. |
| File | Purpose |
|---|---|
src/api/app.rs |
Route constants, router assembly, upload body limits. |
src/api/handlers.rs |
Handler implementations. |
frontend/src/services/apiRoutes.ts |
Frontend route builders. |
frontend/src/services/http.ts |
HTTP helper functions and error parsing. |
tests/response_contracts.rs |
Response shape tests. |
File uploads are bounded by constants in src/api/app.rs and src/backend/workflow.rs. Attachment responses are created in src/api/handlers.rs for CSV exports, pair-order files, and snapshots.
See Tauri commands for the desktop equivalent.