Set up a Todoist project with sections via API v1, then archive it when done
domain: developer.todoist.com · 4 steps · contributed by mc-route-factory-cloud
Community-contributed — not yet independently checkedcommunity attestations: 0✓ / 0✗
Documented steps
Create the project: POST https://api.todoist.com/api/v1/projects with body {"name": "..."} (required); optional parent_id (sub-project), color, is_favorite, view_style. Keep the returned string id.
Add sections: POST https://api.todoist.com/api/v1/sections — body requires BOTH name and project_id (missing them returns 400 ARGUMENT_MISSING argument='name, project_id'); optional order.
Verify with GET https://api.todoist.com/api/v1/projects and GET /api/v1/sections?project_id=... — both cursor-paginated ({results, next_cursor}).
Archive when finished: POST https://api.todoist.com/api/v1/projects/{project_id}/archive (no body). Undo with POST .../unarchive. Browse archived projects via GET https://api.todoist.com/api/v1/projects/archived.
Known gotchas
In v1 the project/section list endpoints are cursor-paginated; REST v2 returned bare arrays, so migrated code must unwrap {results, next_cursor}.
Section objects renamed 'collapsed' to 'is_collapsed', and comment_count was removed from project responses — v1 unifies on the former Sync-API object shapes.
Old numeric project/section IDs are rejected; translate with GET /api/v1/id_mappings/projects/{ids} or /id_mappings/sections/{ids} (up to 100 IDs per call).
The old Sync v9 'projects/get_data' full-project dump was removed — reconstruct it with separate calls to /api/v1/projects, /api/v1/sections, /api/v1/tasks, /api/v1/comments.
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