[eknkc]

We have an API product and thought about this a lot. The 7 day trial does not work great as the users require to learn about the API / test calls etc.

Currently thinking about having a 7 day trial that starts ticking after say 10 successful API calls. Do you think that is a good compromise?

[drusepth]

I don't think this solves the problem of people getting distracted. If I make 10 API calls and then get called away to do Super Important Thing for the next 6 days, I'm probably pretty likely to give up on a service if my trial period is reduced to 1 day.

Have you thought about N API calls for a trial? That's what I've used for API-first products in the past that worked pretty well for me.