New: 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.

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Trusted by 10,000+ developers
config.json
config.json
schema.json
env.prod.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"
  }
}

Built by Developers, for Developers

Our story started with a simple frustration: configuration management shouldn't be this hard.

2019
Founded in San Francisco
Two engineers set out to solve config drift forever.
2020
Launch v1.0
First stable release with core sync engine.
2021
Series A Funding
$12M raised to accelerate product development.
2022
10K Apps Milestone
Surpassed 10,000 active applications on our platform.
2024
v3.0 — Zero-Downtime
Revolutionary real-time config updates with zero restarts.

Our Mission

At App Config.json, we believe that managing application configurations should be simple, reliable, and invisible. Every engineering team deserves a platform that keeps pace with their deployment velocity.

We were founded by developers who experienced firsthand the pain of configuration drift, broken deployments, and hours spent debugging environment-specific issues. Our platform eliminates these problems entirely.

Today, we serve over 10,000 applications across 200+ enterprises, processing billions of configuration requests every month with 99.99% uptime.

10K+
Active Apps
99.99%
Uptime
200+
Enterprise Clients

Comprehensive Configuration Solutions

End-to-end tools that cover every aspect of configuration management for modern applications.

Real-Time Configuration Sync

Push configuration changes to all instances instantly across any number of environments. No restarts, no downtime.

Learn more →
🔒

Secrets Management

AES-256 encrypted storage for API keys, tokens, and credentials. Integrated rotation and access control.

Learn more →
🔄

Version Control & Rollback

Git-style versioning for every configuration change. Instant rollback to any previous state with full audit trails.

Learn more →
🌐

Multi-Environment Management

Manage configurations for dev, staging, QA, production, and custom environments from a single dashboard.

Learn more →
📊

Analytics & Monitoring

Comprehensive dashboards showing config usage, change frequency, environment health, and team activity.

Learn more →
🔌

SDKs & API Integrations

First-class SDKs for Node.js, Python, Go, Java, Rust, and more. RESTful API for custom integrations.

Learn more →

Built for Every Use Case

Whether you're running microservices, serverless functions, or monolithic apps, we've got you covered.

🏗️

Microservices Architecture

Manage configurations across hundreds of microservices with centralized control and decentralized delivery. Each service gets exactly what it needs.

☁️

Cloud-Native & Serverless

Native support for AWS Lambda, Azure Functions, Google Cloud Run, and Kubernetes. Inject configs at cold start or update at runtime.

📱

Mobile App Configuration

Push feature flags, API endpoints, and remote configs to iOS and Android apps without app store review cycles.

🏢

Enterprise Compliance

SOC 2, GDPR, and HIPAA compliant configuration management with role-based access control, SSO, and comprehensive audit logs.

Real Results from Real Teams

See how leading companies use App Config.json to ship faster and stay reliable.

📊
Fintech

DataFlow — 90% Faster Deployments

How DataFlow eliminated config drift across 200+ microservices and reduced deployment time from hours to minutes.

90%
faster
200+
services
0
downtime
🚀
SaaS

CloudScale — Real-Time Feature Flags

CloudScale uses our platform to toggle features across their entire infrastructure without redeploying any services.

50ms
sync time
150+
flags
99.99%
uptime
🏥
Healthcare

NexusTech — HIPAA Compliance Made Easy

How NexusTech achieved full HIPAA compliance for their medical app configurations with zero security incidents.

100%
compliant
0
incidents
24/7
audit

Meet the People Behind the Config

A passionate team of engineers, designers, and operators who are obsessed with making configuration management effortless.

JC

James Chen

CEO & Co-Founder
Former senior engineer at AWS. 12 years in distributed systems and infrastructure.
in X GH
SK

Sarah Kim

CTO & Co-Founder
Ex-Google SRE lead. Passionate about reliability engineering and developer experience.
in X GH
MR

Marcus Rodriguez

VP of Engineering
Built infrastructure teams at Stripe and Twilio. Expert in scaling distributed platforms.
in X GH
AL

Aisha Larsen

Head of Product
Product leader with 10+ years building developer tools. Previously at Datadog and PagerDuty.
in X GH

Latest Insights & Updates

Thoughts on configuration management, DevOps, and modern software architecture.

View All Posts →
📝
Engineering Jan 15, 2025 8 min read

The Hidden Cost of Configuration Drift in Microservices

How subtle config differences between environments lead to production incidents and what you can do about it.

Read article →
🎯
Best Practices Jan 8, 2025 6 min read

12 Rules for Production-Ready Configuration Management

A comprehensive guide based on lessons learned from managing 10,000+ production applications.

Read article →
🔧
Product Update Dec 28, 2024 5 min read

Introducing App Config.json v3.0: Zero-Downtime Updates

A deep dive into our newest release featuring real-time config propagation without application restarts.

Read article →

What Our Customers Say

Trusted by engineering teams at companies of all sizes.

★★★★★
"App Config.json completely eliminated our config drift problems. We went from hours of deployment headaches to zero-downtime updates in minutes. It's now the backbone of our infrastructure."
SK
Sarah Kim
CTO at DataFlow
★★★★★
"The real-time sync is a game-changer for our microservices. We can toggle features and update settings for specific environments without redeploying anything. Absolutely essential."
MR
Marcus Rodriguez
Lead Engineer at CloudScale
★★★★★
"Migrating from our homegrown solution was seamless. The SDK is well-documented, the API is intuitive, and the support team is incredibly responsive. Best decision we made this year."
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. Start free — no credit card required.

Get in Touch

Have a question or ready to get started? We'd love to hear from you.

Let's Talk

Whether you're evaluating our platform, need technical support, or want to explore enterprise options, our team is here to help.

  • 📧
    Email
    hello@appconfig.json
  • 📞
    Phone
    +1 (415) 555-0192
  • 📍
    Office
    100 Market Street, Suite 400
    San Francisco, CA 94105
  • 🕐
    Support Hours
    24/7 for Enterprise plans
    Mon–Fri 9am–6pm PT for all others