Test and validate API keys for OpenAI, Anthropic, Google AI, and other services. Secure validation without storing keys on our servers.
Test 17+ services instantly
Choose from 17+ supported API services to get started
Free API key validator that instantly tests 17+ services including OpenAI, Anthropic, Google AI, and more. No sign-up required, no data stored - validate your API keys securely in your browser.
All keys are validated securely in your browser using HTTPS. Nothing is stored, logged, or sent to our servers. Your API keys remain completely private and secure.
All processing happens locally in your browser. Your data never leaves your computer, ensuring complete privacy and security.
Test regular expressions with real-time validation, match highlighting, and detailed explanations. Debug regex patterns quickly and efficiently.