Supported API Key Providers

Our API key validator supports over 15 popular services used by developers worldwide. Each provider has unique key formats that we can detect in real-time.

💳

Stripe

Secret Key

^sk_(test|live)_[A-Za-z0-9]{24,}

Publishable Key

^pk_(test|live)_[A-Za-z0-9]{24,}
🤖

OpenAI

API Key

^sk-[A-Za-z0-9]+
🧠

Anthropic Claude

API Key

^sk-ant-[A-Za-z0-9-]+
🐙

GitHub

Personal Access Token

^ghp_[A-Za-z0-9]+

OAuth Token

^ghs_[A-Za-z0-9]+
☁️

AWS

Access Key ID

^AKIA[A-Z0-9]+
📧

SendGrid

API Key

^SG\.[A-Za-z0-9_-]{22}\.[A-Za-z0-9_-]{43}
📱

Twilio

Account SID

^AC[a-z0-9]+
📮

Mailgun

API Key

^key-[A-Za-z0-9]+
💬

Slack

Bot Token

^xoxb-[0-9]{10,13}-[0-9]{10,13}-[A-Za-z0-9]{24}

User Token

^xoxp-[0-9]{10,13}-[0-9]{10,13}-[A-Za-z0-9]{24}
🎮

Discord

Bot Token

^[MN][A-Za-z\d]{23}\.[\w-]{6}\.[\w-]{27}
🗺️

Mapbox

Public Token

^pk\.[A-Za-z0-9]+

Secret Token

^sk\.[A-Za-z0-9]+

Square

Sandbox Token

^sandbox-[A-Za-z0-9-_]+

Production Token

^EAAA[A-Za-z0-9-_]+
🌊

DigitalOcean

Personal Access Token

^dop_v1_[a-f0-9]{64}
🟣

Heroku

API Key

^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}
🔥

Firebase

API Key

^AIza[0-9A-Za-z_-]+

How API Key Detection Works

Pattern Matching

We use regex patterns specific to each provider to instantly identify key formats as you type.

Client-Side Only

All detection happens in your browser. Your API keys never leave your device.

Real-Time Feedback

Get instant feedback about your API key format without any server requests.

Ready to Test Your API Key?

Learn about API security while checking if your keys follow the correct format.