How do I book an ISTQB exam? You can book an ISTQB exam at our official ISTQB exam provider AT*SQA. You may then sit for your ISTQB exam at home online or at an ISTQB exam testing center near you. If you have a large group that needs to book an ISTQB exam, AT*SQA offers ISTQB booking discounts for groups that will sit for 20 or more ISTQB exams. To make ISTQB exam booking easier for you, your ISTQB voucher from AT*SQA is valid for 365 days. This provides flexibility so you can purchase your ISTQB voucher now, and then book your ISTQB exam later.