TinyPNG is a file compression service that reduces the files size of PNG images and preserves full alpha transparency. The TinyPNG API uses REST calls, returns JSON, and allows users to make calls that submit images to be compressed. The API required SSL and an API key for use. Base level usage is free for 500 calls, upper tier pricing is $100 per month for 50,000 image submissions. An account is required with service.
The following is a list of how-to and tutorial content that matched your search term. ProgrammableWeb's how-to content comes from two sources; full-blown tutorials that we publish ourselves and other highly relevant tutorials that we find elsewhere on the Web. This list represents on combination of both tutorial types and if you go to ProgrammableWeb's API University, you'll not only be able to find more, they are organized based on your role (API providers or developers who consumes APIs). If you know of a tutorial that would be of interest to the ProgrammableWeb community, we'd like to know about it. Be sure to check our guidelines for making contributions to ProgrammableWeb.