KEYSPHERE

One API. All providers. No SDKs. No secrets.

Call OpenAI, Claude, Stripe, Resend, and more — just pass JSON.

Start Building

Why Keysphere?

Secure

API keys never leave your server. Full security for front-end or mobile apps.

Simple

Call multiple providers using a single JSON request. No SDKs needed.

Unified

Connect OpenAI, Claude, Stripe, Resend, and more under one API.

Supported Providers

OpenAI
Claude
Stripe
Resend

How It Works

Connect Your Providers

Paste your API keys for OpenAI, Claude, Stripe, Resend, and more into your secure Keysphere dashboard.

Call APIs with JSON

Send a simple JSON request from your app or front-end. No SDKs, no secrets exposed.

Receive Unified Responses

Keysphere handles the provider calls and returns a clean response, so your app gets what it needs instantly.