Why Use a JSON API Backend?
Traditional backend development requires setting up servers, configuring databases, and writing boilerplate API routes. A JSON API backend eliminates this friction entirely. Upload or paste your JSON data, and you instantly get a fully-functional REST API with GET, POST, PUT, and PATCH support. Perfect for developers building headless CMS solutions, static site generators, or rapid prototypes where you need real data flowing — without the overhead of maintaining infrastructure.
// 1. Store your config
const res = await fetch(
'https://api.jsonstorage.net/v1/json/YOUR_USER_ID/YOUR_ITEM_ID',
{
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
theme: "dark",
features: ["auth", "payments"],
apiVersion: 2
})
}
);
// 2. Fetch it from any client
const config = await fetch(
'https://api.jsonstorage.net/v1/json/YOUR_USER_ID/YOUR_ITEM_ID'
).then(r => r.json());
console.log(config.theme); // "dark"Real-World Use Cases
Headless CMS for Static Sites
Build your frontend with Gatsby, Next.js, or Hugo and pull content dynamically from your JSON API backend. Update text, images, and layouts without redeploying your site.
Mobile App Configuration
Ship your iOS or Android app once and control its behavior remotely. Toggle features, change onboarding flows, or push new content updates — all by updating a single JSON endpoint.
AI Agent State Storage
Give autonomous AI agents persistent memory. Store conversation context, user preferences, or tool outputs between sessions using simple GET and POST requests. No database driver needed.
Rapid Prototyping & Hackathons
Skip weeks of backend development during hackathons. Stand up a working API in under 60 seconds and focus your energy on the user experience and business logic.
Game Save Data
Persist player progress, leaderboard scores, and game settings in the cloud. Works with Unity, Unreal Engine, or any HTML5 game framework via simple HTTP calls.
Webhooks & Middleware
Use JSON Storage as a lightweight intermediary between services. Accept webhook payloads, transform data, and serve the processed output to downstream consumers.
Try now, no authentication required
Use the snippets below as an example or check out documentation at github.com/jsonstorage/docs. Add dynamic content, forms or personalization to your static site, manage smart home, store state for AI agents, monitor server room temperatures in hundreds of locations using Raspberry Pi, or simply play with the API - JsonStorage is super simple and scales up to your needs.
Request JSON (JSFiddle)
Create JSON (JSFiddle)
Update JSON (JSFiddle)
Patch JSON (JSFiddle)
(NEW) Submit a form (JSFiddle)
Start with a free 31-day trial
Get started for free — no account needed. Every paid plan includes a 31-day free trial so you can try before you commit. The free tier includes 25 items, 1,000 requests per month, and up to 64kb per item. Upgrade when you need more storage, higher limits, or priority support.
Need help choosing a plan? Contact us @jsonstorage