Now in v3.0 — Zero-Downtime Config Updates

Configure Apps at
Lightning Speed

The modern configuration management platform that lets you deploy, sync, and version your app settings across every environment — instantly.

config.json
// App Config.json — Live Configuration
{
  "app_name": "my-awesome-app",
  "version": "3.0.0",
  "environment": "production",
  "features": {
    "realtime_sync": true,
    "max_retries": 3,
    "timeout_ms": 5000
  },
  "endpoints": {
    "api": "https://api.appconfig.json/v3"
  }
}
10K+
Active Applications
99.99%
Uptime Guaranteed
50ms
Avg. Config Sync Time
200+
Enterprise Clients

Everything You Need to Manage Configurations

Powerful tools designed for modern development teams who refuse to compromise on reliability.

Real-Time Sync

Push configuration changes to all instances instantly. No restarts, no downtime, no compromises.

🔒

Encrypted at Rest

AES-256 encryption for all stored configurations. Your secrets stay secret, always.

🔄

Version Control

Full Git-style versioning with rollback capabilities. Every change is tracked and reversible.

🌐

Multi-Environment

Manage configs for dev, staging, production, and beyond — all from a single dashboard.

📊

Analytics & Audit

Comprehensive audit logs and analytics to track who changed what and when.

🔌

SDK & API

First-class SDKs for every major language plus a RESTful API for custom integrations.

Up and Running in Minutes

Three simple steps to take control of your application configurations.

1

Define Your Config

Create your configuration schema using our intuitive dashboard or upload your existing config.json file.

2

Connect Your App

Add our lightweight SDK to your application with a single dependency. Supports all major languages.

3

Deploy & Sync

Push changes and watch them propagate to all your instances in real-time. It's that simple.

Simple, Transparent Pricing

Start free and scale as you grow. No hidden fees, no surprises.

Starter

For small projects

$0/mo
  • Up to 3 environments
  • 1,000 config requests/day
  • Basic versioning
  • Community support
  • Real-time sync
  • Audit logs
Get Started Free

Enterprise

For large organizations

$199/mo
  • Everything in Pro
  • Unlimited requests
  • SSO & RBAC
  • Dedicated support
  • Unlimited audit logs
  • Custom SLA
Contact Sales

Loved by Developers Worldwide

See what engineering teams are saying about App Config.json.

★★★★★
"App Config.json completely eliminated our config drift problems. We went from hours of deployment headaches to zero-downtime updates in minutes."
SK
Sarah Kim
CTO at DataFlow
★★★★★
"The real-time sync is a game-changer. We can toggle features for specific environments without redeploying. Absolutely essential for our microservices."
MR
Marcus Rodriguez
Lead Engineer at CloudScale
★★★★★
"Migrating from our homegrown solution was seamless. The SDK is well-documented and the support team is incredibly responsive."
AL
Aisha Larsen
DevOps Lead at NexusTech

Ready to Simplify Your
Configuration Management?

Join thousands of teams who trust App Config.json to keep their applications running smoothly.