I used https://github.com/ForbesLindesay/typescript-json-validator https://github.com/ForbesLindesay/typescript-json-validator for a service I built recently. I

I used https://github.com/ForbesLindesay/typescript-json-validator https://github.com/ForbesLindesay/typescript-json-validator for a service I built recently. It parses TS types and turns them into a validator function - seems to work very well so far. There’s a conversion of the type to JSON schema under the hood but I don’t have to worry about doing it by hand.