You may need a visa for Kazakhstan if you have an Iranian passport
Visa options for Kazakhstan
Electronic visitor visa is required for trips longer than 14 days
Travellers need a visa to visit Kazakhstan for Business or Tourism for more than 14 days. Travellers do not need a visa if staying for 14 days or less. A Kazakhstan eVisa is the fastest and easiest way of obtaining a visa for Kazakhstan because travellers can submit their application and supporting documents online. Once the application is approved, travellers receive their eVisa confirmation electronically.
This is not offered by sherpa°.
Apply on the government site.