Free to get started · No credit card required

Sometimes you just need one JSON file.

Store, retrieve, and update JSON files via a simple REST API. No database setup. No SDK. No complexity. Just your data.

One file. One token. One less thing to think about.

PUT

curl -X PUT https://onejsonfile.com/api/v1/files/YOUR_TOKEN \
  -H "Content-Type: application/json" \
  -d '{"user":"alice","theme":"dark"}'

Response{"success":true,"fileSize":35}

Designed for simplicity

Stop over-engineering your data layer. Some things just need to be stored.

One endpoint, one file, one token. The entire API fits in a README.

No database to provision, no SDK to install, no config to write. Just curl.

Built on Cloudflare R2 and the Vercel edge network. Fast, everywhere.

Not every problem needs a Postgres database.

App configuration

Feature flags, environment settings, dynamic config

User preferences

Theme, language, layout — synced everywhere

Game save states

Lightweight persistence without a backend

Prototype storage

Validate your idea before building the real thing

IoT device state

Store sensor readings or device configuration

Browser extension sync

Settings that follow users across devices

Start free. Upgrade when you need more.

Perfect for side projects and experiments.

Coming Soon

$3/ month

For solo builders and indie hackers.

Coming Soon

$9/ month

For teams and production applications.