# Check users existence Checks the existence of users by mobile numbers. Endpoint: POST /check-users-existense Version: 1.0.0 Security: ApiKeyAuth ## Request fields (application/json): - `mobile_numbers` (array, required) Mobile numbers of post /check-users-existense request. ## Response 200 fields (application/json): - `status` (string, required) Outcome of the request. Always success for 2xx responses. Enum: "success" - `message` (string, required) Short description of the successful operation outcome. Example: "Operation completed successfully" ## Response 400 fields (application/json): - `status` (string, required) Outcome of the request. Always error for 4xx/5xx responses. Enum: "error" - `message` (string, required) Detailed explanation of the error to help clients fix the request. Example: "Bad request - missing or invalid data"