# AckBooking Allows PMS to acknowledge a booking on your WebBookingPro from the PMS side. * 4004 - booking cannot be acknowledged. The reason is provided in the msg field. Endpoint: POST /AckBooking Version: 1.0 Security: shared_secret ## Request fields (application/json): - `pms_property_id` (integer, required) Property ID on the your PMS - `wbp_property_id` (string, required) Username, login or property ID on the OTA - `wbp_property_password` (string, required) Password for property on WebBookingPro - `guid` (string, required) Request reference ID, used for debugging and support requests. - `shared_secret` (string, required) Authentication between the PMS and the WebBookingPro. Identical for all requests. Not to be shared with customers. - `pms_cid` (string, required) PMS ID as given by WebBookingPro - `verb` (string, required) Enum: "AckBooking" - `booking_id` (string, required) OTA booking ID of the booking to be acknowledged. ## Response 200 fields (application/json): - `errors` (array) Array of error objects. Required when success is false. - `errors.id` (integer, required) Error code. Check the "Error Codes" section of the specification for valid codes. - `errors.msg` (string) Optional error string to give more details about the error. Myallocator localises errors into different languages, so this field is generally ignored and only useful for debugging. - `success` (boolean, required) Enum: true, false