# Upload Data (LEGACY) (deprecated) Upload data for the specified . The session token must be for , or identify a user who has the permission to the account specified by the . Endpoint: POST /data/{userId} Version: 1.0 Security: sessionToken ## Path parameters: - `userId` (string, required) Tidepool User ID ## Response 400 fields (application/json): - `code` (integer, required) Example: 404 - `message` (string, required) Example: "Requested resources was not found" ## Response 401 fields (application/json): - `code` (integer, required) Example: 404 - `message` (string, required) Example: "Requested resources was not found" ## Response 403 fields (application/json): - `code` (integer, required) Example: 404 - `message` (string, required) Example: "Requested resources was not found" ## Response 404 fields (application/json): - `code` (integer, required) Example: 404 - `message` (string, required) Example: "Requested resources was not found"