There are several speech recognition services web services at Radboud University
Speech Recognition for Belgian Dutch
Since April 2022, there is a new ASR engine available, specifically suited for speech recognition for Belgian Dutch.
HENSOLDT ANALYTICS Speech-to-text for Dutch
The European Language Grid hosts this speech recognition service with demo at https://live.european-language-grid.eu/catalogue/tool-service/8154
AS ASR output often consists of streams of words, you may want to automatically insert punctuation.