# Create an Appointment Create an appointment reservation. Endpoint: POST /v1/appointments Version: 1.0.0 Security: apiKeyAuth, practiceGroupId ## Request fields (application/json): - `appointment_type_id` (string, required) - `location_id` (string, required) - `practitioner_id` (string, required) - `duration` (number, required) - `start_time` (string,null, required) ISO 8601 date format Example: "1989-04-11" - `patient_id` (string) - `billpayer_id` (string) - `reason` (string) - `suppress_mail` (boolean) - `suppress_availability_check` (boolean) ## Response 200 fields (application/json): - `id` (string, required) - `reserved_until` (string,null, required) ## Response 400 fields (application/json): - `error` (boolean, required) - `statusCode` (number, required) - `message` (array, required) - `message.code` (string, required) - `message.expected` (string, required) - `message.path` (array, required) ## Response 401 fields ## Response 404 fields ## Response 500 fields