JSON Schema is a vocabulary that allows you to annotate and validate JSON documents. It's used by Google, Microsoft, Amazon, Mozilla, SAP, IBM, HM Government, NIH, and many others. It forms part of the OpenAPI Specification. Used by webpack and eslint, resulting in the main imeplementation weekly download of more than 20 million. Now draft 2019-09 has been released, I'm taking on project leadership moving forward. I'm also creating a suite of tooling for JSON Schema at jsonschema.dev I set up and maintain the official JSON Schema Slack community. For more info, please read the series of Intro posts, starting with Plans: https://ko-fi.com/post/Plans-I3I5VU5J Stripe offers better rates than paypal, but feel free to use either!