The next step is to pick a JSON Schema validation library. The json-schema.org (https://json-schema.org/) provides a list of validators which you can read at json-schema.org/implementations.html. When choosing a schema validation library, we are looking for two things: performance (how quick it is) and conformity (how closely it conforms to the specification).
An open-source developer from Denmark, Allan Ebdrup, has created a set of benchmarks that compare these libraries. You can find it at github.com/ebdrup/json-schema-benchmark. The benchmark shows that the Dynamic JSON Schema Validator (djv, github.com/korzio/djv) is the fastest and also has fewest failing tests (only 1). The second fastest library ...
