I already wrote about using Prism as an API test platform but I didn’t include an example with callbacks so this post is to fill that gap! If you didn’t read the previous post, the tl;dr is that Prism is a nodejs open source tool that can take your OpenAPI specification and then do an impression of your live API, validating the API calls sent to it and responding with the example data described in the spec. It can also follow up the API response and send an HTTP request of its own to mock the callbacks described in your OpenAPI spec. Continue reading →