You’re designing an API and it’s gonna be great: fast, standards-based, and heralded by devs everywhere. But if it was that easy, every API would be world-class and integrations would be a snap. We at HelloSign know that’s not the case. Having released the first version of our API in 2011, we’ve had over 5 years to refine it into something developers seem to like. Learn from our successes and failures and avoid these 10 things when designing your API.