There are no minimum fees or upfront commitments. For HTTP APIs and REST APIs, you pay only for the API calls you receive and the amount of data transferred out. There are no data transfer out charges for Private APIs. However, AWS PrivateLink charges apply when using Private APIs in API Gateway.
Does Amazon have a price API?
The Amazon-price API provides you with a programmatic access to real-time Amazon data, allowing you to integrate them into your application easily. API features: With the Amazon-price API you can retrieve search results from Amazon marketplaces and retrieve competitive offers for products.
How much does an API cost?
On average, it costs $20,000 to build a relatively simple API. This figure assumes that you're building a secure, documented, fully-featured API with the services of an experienced API developer based in the United States.