When we came the pricing is an also important subject. You always have to think about the price/performance ratio. Cheaper options always have problems with support, poor latency, lack of enough documentation and poor coding APIs can create lots of troubles during the development phase.
You have to act smart when you select your package lots of data vendor provides yearly discounts when a minimum one-year commitment. You also can take trials before you buy the services.
Try first to feel the differences and choose your best options to build something amazing. You cannot make deductions from a good API. It will give you time, quality, reliable service.