You may need a visa for Iran if you have a Kazakhstan passport
Visa options for Iran
Electronic visitor visa is required for trips longer than 14 days
Travelers need a visa to visit Iran for Business or Tourism for more than 14 days. Travelers do not need a visa if staying for 14 days or less. Travelers must complete the visa application online, give a hard copy of the Submission Notice at the border crossing, and pay the visa fees in euros at the airport. A visa on arrival is obtained at the port of entry before reaching immigration. Travelers can purchase the visa at the airport upon arrival in Iran. For all other visas, visit the government site.
This is not offered by sherpa°.
Apply on the government site.