API Key Generator — Create Test API Keys
Generate realistic API keys for testing. Supports Stripe-style, GitHub-style prefixes, and more. Free client-side API key generator.
Frequently Asked Questions
What is an API Key?
An API key is a unique identifier used to authenticate API requests. They typically include a prefix (like sk_test_ for Stripe) to identify the key type.
How long should an API key be?
API keys should be at least 24 characters of random data. Most services use keys between 24-64 characters with a recognizable prefix.
Are generated API keys real?
No. All generated API keys are fake and formatted as realistic test keys. They are intended for development and testing purposes only.
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