Usually, every application is now programmed with the use of APIs. Every single parameter that you pass to the APIs might result in the creation of a huge number of threads that are required for processing the code flawlessly. When there are huge number of threads the number of processing units or the power of the processing unit should also be increased due to which the cost of the project would also increase. In order to meet the expenses you may have to plan for more budget which may not be possible for you.
So, in this situation, the RESTful HTML to PDF API is best to rely on as the load balancers make sure that the cluster of servers through which the APIs operate would not discourage you in terms of performance. Hence, it is time for you to start leveraging the high speed processing, accessing and rendering of data to the customers without having to have questions on the speed of operations handled for your business. Once the speed is assured you could increase the business by offering new services or products for which the APIs could again be used.
With the APIs you would be able to understand what sort of product is much appreciated by various categories of customers. If you think analyzing the customers and their behavior would be a big puzzle then nothing to worry you could always take the help of the documentation that is provided about the APIs so that you could effectively use the features enabled in these APIs and then be able to know the customer surfing or purchase patterns. This analysis would help you target those changes that would increase the customer satisfaction which inturn would increase the business volume and revenue.