So you have https://thenewstack.io/how-to-build-an-api-centric-digital-architecture/, and you want to generate revenue with it. The first involves business questions, such as how much to charge for API access or whether to use a multitiered pricing model.
These are the sorts of technical quandaries that developers must resolve to ensure that APIs can actually generate money for the business.
Financial analytics: The ability to track and assess the revenue generated by APIs in real time is essential to many businesses that sell APIs.
Some businesses may need to meet additional technical requirements to monetize their APIs, but the considerations described above represent the most common requirements for API monetization.