I will validate and harden your json payload or API schema

United States

I speak English, Spanish
Hey whats up guys! My name is John-Paul, and I am a jack of all traits. In my career I have been blessed to work with a lot of big clients like: Duolingo, Hillary Duff, Stanly from the office, and 2...
About this Gig

Broken payloads and vague API contracts waste debugging time. I will review your real JSON examples and turn them into a clearer, testable contract.


Depending on the package, your delivery can include corrected payloads, a JSON Schema, canonical fixtures, validation errors, a reproducible SHA-256 fingerprint, and a small Node.js example. Every order is customized to the files and acceptance criteria you provide and reviewed before delivery.


This service does not include security penetration testing, production deployment, legal/compliance certification, or guarantees about third-party systems. Please remove secrets and personal data before uploading files.

Testing application:

API

Device:

PC

Mac

Linux