Usabl – Usability Testing for APIs
usabl.dev
usabl.dev
Is the core idea I pay to get what is effectively a demo video by some dev? If I'm not happy with the result, do I still have to pay?
So I would still expect you to pay if the dev struggles, unless the dev doesn't do a good job explaining why they are struggling.
See this link for an example with some highlights (1 minute): https://youtu.be/5o71pRZ-aMk