In the OTA_ResRetrieveRS the attribute CreatorID gives an ID for the originator of the reservation. Please find below the list of Creator IDs and the OTA they represent:
| Value | Code | Description |
|---|---|---|
| 2 | BOO | Booking.com |
| 6 | HCO | Hoteliers.com |
| 11 | HSP | Hotelspecials.nl |
| 14 | SPH | SpecialHotels.nl |
| 15 | EXP | Expedia/Hotels.com |
| 16 | AME | VVV Ameland |
| 17 | TOR | VVV Texel |
| 21 | TER | VVV Terschelling |
| 23 | ZWG | Zoweg.nl |
| 24 | HRS | HRS.de |
| 25 | BED | Hotelbeds.com |
| 27 | LMI | Lastminute.com |
| 28 | BNG | Bongo |
| 30 | MXM | MaxMind |
| 33 | BON | Hotelbon |
| 36 | WMS | Worldmeetings |
| 40 | UNI | Unister |
| 41 | HTW | Hotwire |
| 44 | STC | STC |
| 45 | REC | Reconline |
| 46 | OST | Emerging Travel Group |
| 49 | GTA | GTA Travel |
| 50 | GAR | Getaroom |
| 51 | HOT | Hotusa |
| 53 | VAS | VashOtel |
| 54 | ONE | 101Hotels.ru |
| 56 | BCM | Bookit.com |
| 57 | BNL | Bookit.nl |
| 58 | JAC | JacTravel |
| 59 | TRR | Travel Republic |
| 61 | TBH | Tablet Hotels |
| 63 | NTB | Netbooking |
| 64 | FER | Feratel |
| 65 | PRE | Prestigia |
| 67 | MMS | Mr and Mrs Smith |
| 68 | HDR | HotelDirect |
| 69 | INH | Inhores |
| 74 | OKT | OktoGo |
| 79 | TOM | Tomas Travel |
| 84 | HAM | Tomas Hamburg Travel |
| 85 | VBE | Tomas Visit Berlin |
| 89 | MHS | MyHotelShop.de |
| 95 | HSW | Hostelworld |
| 97 | VTR | Viato Travel |
| 100 | AGA | Agoda |
| 101 | OXI | Opera XChange Interface |
| 102 | KTL | Keytel |
| 103 | RTL | Restel |
| 104 | HRE | HotelREZ |
| 107 | HIH | Hostelling International |
| 108 | HCM | Revato by HotelsCombined |
| 109 | DER | Derbysoft |
| 110 | WKD | Weekendesk |
| 111 | BAS | Bookassist |
| 112 | CTR | Ctrip |
| 113 | MET | Metglobal |
| 114 | CUB | Cubilis |
| 115 | KM2 | Kurz Mal Weg |
| 116 | SBO | SimpleBooking |
| 118 | WBD | WebBeds |
| 119 | KUR | Kurzurlaub |
| 120 | SMO | VVV Schiermonnikoog |
| 121 | REX | Roomex |
| 124 | WAT | VVV Waterland van Friesland |
| 125 | ODI | Odigeo |
| 126 | WB2 | Destinations of the World (WebBeds new) |
| 127 | MM2 | MakeMyTrip |
| 20008 | NST | Nustay |
| 20009 | RVD | Reservado |
| 20011 | SSC | Short Stay Citizens |
| 20013 | OSW | Onsweb |
| 20014 | FST | Fastbooking |
| 20016 | FRB | Freebooking |
| 20018 | TRB | Travelbird |
| 20019 | RYA | Ryanair |
| 20020 | JZT | JazzTour |
| 20021 | TL2 | TravelLine |
| 20023 | OPL | OffPeakLuxury |
| 20026 | ODA | Odamax |
| 20029 | PWN | Powernapp |
| 20035 | HBO | Hotel Bonanza |
| 20036 | BAK | Bakuun |
| 20038 | OZO | Ozon Travel |
| 20040 | GVB | Goedverblijf |
| 20048 | SMA | Smartbox |
| 20049 | DBR | DayBreakHotels |
| 20050 | SHR | SHR/Windsurfer |
| 20052 | HCN | Hotelbank |
| 20054 | OTE | Otelz.com |
| 20055 | BAR | Barboon |
| 20056 | DIB | DIB Hotel |
| 20057 | TRA | Travelanium |
| 20059 | SEM | Sembo |
| 20067 | AOV | Aovo Reisen |
| 20070 | HH2 | H-Hotels.com |
| 20071 | SNA | SnapiLABS |
| 20072 | CA2 | Caesar Data |
| 20073 | DOR | Dorms.com |
| 20074 | EXR | Hotel Spider |
| 20075 | OGD | OpenGDS |
| 20076 | VO2 | Voordeeluitjes |
| 20078 | VGR | BookVisit |
| 20080 | AER | AeroGuest |
| 20081 | LOG | Logitravel |
| 20085 | CB2 | Citybreak |
| 20086 | CH2 | Charmant Hotel |
| 20087 | C24 | Check24 |
| 20089 | SKH | SK Hotel Management |
| 20091 | TPR | TouristPro |
| 20092 | NWE | Nuweg Exclusief |
| 20096 | HNS | HotelNetSolutions |
| 20097 | DIG | Digibreaks |
| 20098 | DVP | DVP |
| 20099 | OLY | Olympia Europe |
| 20101 | CMA | CMAC Group |
| 20104 | W4T | Weekend4Two |
| 20106 | AMD | Amadeus |
| 20108 | NA2 | Net Affinity |
| 20109 | MIK | Miki Travel |
| 20114 | WOW | Wowcher |
| 20115 | GTR | G2 Travel |