From https://json-schema.org/understanding-json-schema/reference/type.html The type keyword may either be a string or an array: If it’s a string, it is the name of one of the basic types above. If it is an array, it must be an array of strings, where each string is the name of one of the basic types, and each element … Read more
Depending on your situation, there are a few different approaches. I can think of four different ways to conditionally require a field. Dependencies The dependentSchemas keyword is a conditional way to apply a schema. Foreach property in dependentSchemas, if the property is present in the JSON being validated, then the schema associated with that key … Read more
Summarising the other answers, here are the JSON schema generators proposed so far: Online: https://www.liquid-technologies.com/online-json-to-schema-converter (1 input) http://www.jsonschema.net (1 input) https://easy-json-schema.github.io (1 input) Python: https://github.com/gonvaled/jskemator (1 input but allows iteration) https://github.com/perenecabuto/json_schema_generator (1 input) https://github.com/rnd0101/json_schema_inferencer (1 input I think) https://pypi.python.org/pypi/genson/ (multiple inputs) https://pypi.python.org/pypi/skinfer (multiple inputs) NodeJS: https://github.com/Nijikokun/generate-schema (multiple inputs (pass object array)) https://github.com/easy-json-schema/easy-json-schema (1 input) https://github.com/aspecto-io/genson-js … Read more