How to get a signature for hotels search API

This article provides an example of generating a signature (md5 signature), which is required to work with the hotels search API.

With the following query parameters:

  • iata=HKT; 
  • checkIn=2021-12-10; 
  • checkOut=2021-12-13; 
  • adultsCount=2; 
  • customerIP=192.168.1.1; 
  • childrenCount=1; 
  • childAge1=10;
  • lang=ru; 
  • currency=USD; 
  • waitForResult=0.

Let’s sort them alphabetically:

  • adultsCount=2; 
  • checkIn=2021-12-10; 
  • checkOut=2021-12-13; 
  • childAge1=10;
  • childrenCount=1; 
  • currency=USD; 
  • customerIP=109.252.191.186
  • iata=HKT; 
  • lang=ru; 
  • waitForResult=0.

Next, fix the values of the assorted parameters using colons and add the affiliate security token and marker (they can be found in each affiliate’s personal dashboard) before them:

WriteHereYourToken:WriteHereYourMarker:2:2021-12-10:2021-12-13:10:1:USD:77.111.247.75:HKT:ru:0

This string is used for signature creation. As a result, we have the following: 9961b6ecb56d45935667141b79cfbc28.
Attention! Signature is case-sensitive. 

To create a query, take the query parameters, add the affiliate’s security token and marker, and fix using & into the search string:

http://engine.hotellook.com/api/v2/search/start.json?

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