Keep Your API Keys Safe.Ship With Confidence.
KVProxy is a managed proxy that protects your third-party API keys from being extracted or abused in mobile apps. One line of code. No backend required.
No credit card required · Works with any third-party API
Your entire integration
KVProxyInitialize()1 line
of client code
< 5 min
to integrate
Any API
third-party compatible
Zero
infrastructure to manage
Features
Everything you need to protect your API keys
Built-in security, monitoring, and control — so you can focus on your app.
Per-Client Rate Limits
Mitigate threats in real-time with precise per-user rate limits. Stop abuse before it hits your bill.
Instant Key Revocation
Rotate compromised API keys on-demand from the dashboard. No app update required.
One-Line Integration
Add a single line of code to your app. KVProxy handles the rest — routing, injection, and verification.
Getting Started
How KVProxy Works
Three steps. No infrastructure to manage.
Configure Your Rules
Add your API keys and set up matching rules for the endpoints you want to protect. Define rate limits and access policies.
Add One Line of Code
Call KVProxyInitialize() in your app. Matching requests are automatically routed through KVProxy.
Ship With Confidence
Your API keys never leave our servers. Monitor usage, revoke keys instantly, and scale without worry.
Compare
Why Teams Choose KVProxy
Building your own API key proxy is complex, expensive, and distracting.
Without KVProxy
- ✕API key abuse is invisible until the bill arrives
- ✕Rotating keys forces app updates and user frustration
- ✕Weeks spent building and maintaining proxy infrastructure
- ✕Every hour on infrastructure is an hour not shipping your app
With KVProxy
- Real-time analytics show exactly who is using your API
- Rotate keys from the dashboard — no app update needed
- Integrate in under 5 minutes with a single line of code
- Focus on your app — we handle the security infrastructure
Compatibility
Works with Any Third-Party API
Flexible rules match any domain, path, and method. Inject keys into headers, query parameters, or JSON bodies.
KVProxy ships with one-click templates for the most popular services, including OpenAI, Anthropic, Google Gemini, DeepSeek, Mistral, ElevenLabs, Perplexity, Supabase, SendGrid, Mapbox, Shopify, and many more. Each template is pre-configured with the correct auth headers, URL parameters, and path scoping for that provider. For anything else, custom rules let you protect any API that uses a key.
Service-matching and rate-limiting rules
Key replacement rules per path and method
Trust
Enterprise-Grade Security
Multiple layers of protection ensure your API keys stay safe, even in untrusted environments.
- TLS + Certificate pinning support
- DeviceCheck client verification
- No long-lived vendor keys in the client
- Instant key revocation without app updates
- Per-client rate limits on abusive users
Have Questions?
Frequently Asked Questions
Everything you need to know about KVProxy.
How is KVProxy different from other solutions?
KVProxy is the only drop-in proxy solution that works with any third-party API and integrates with a single line of code. No custom SDK. No restricted API support.
How does KVProxy handle API keys?
KVProxy never persists plaintext API keys. Keys are encrypted at rest and only decrypted in memory when needed to fulfill a request.
What if I need to rotate API keys?
Update the key in your dashboard and our backend immediately starts using the new key for all requests. No client update needed.
How do you verify legitimate app requests?
KVProxy uses Apple DeviceCheck to verify that requests come from your legitimate app. Even if someone obtains your project ID, they cannot pass the DeviceCheck verification.
What about MITM attacks?
Our client uses certificate pinning to verify end-to-end encryption to our backend. Even with a custom root certificate installed, the client will refuse to connect if it sees an unrecognized certificate.
How are requests counted?
Each request routed through KVProxy counts as one request, regardless of size. Our client SDK only forwards requests that match your proxy rules.
How does KVProxy scale?
We use a distributed system with horizontally scalable nodes. Project configuration is lightweight and locally cacheable, so scaling adds minimal overhead.
Ready to secure your API keys?
Get started in minutes. No credit card required.