What is the relationship and order between APS and uni-assist?

If your certificates were issued in Türkiye, you do not need APS. APS only exists for certificates from China, Vietnam and India; if you hold such certificates, the order is APS certificate first, then your application to uni-assist (or the university).

#What APS is

A joint institution of the German Embassy and the DAAD. It checks the authenticity of educational certificates from China, Vietnam and India and issues a certificate if the result is positive. For applicants with certificates from these countries, the APS certificate is a requirement for applying to a German university.

#Where the certificate comes from matters, not citizenship

• Turkish citizen with a school or university certificate from China, Vietnam or India → that country's APS check may apply.
• Certificates from Türkiye → no APS. uni-assist's Türkiye page lists documents such as the Lise Diploması and the YKS placement result, but no APS certificate.

#When uni-assist comes in

uni-assist is not mandatory for everyone; you use it only if your chosen university handles applications through uni-assist. Otherwise you apply directly to the university.

#Keep in mind

The APS check replaces neither the university's admission decision nor the visa decision; admission is decided by the university.

Source: uni-assist – APS · uni-assist – Türkiye