Frequently Asked Questions

A: An API key is a unique identifier used to authenticate requests to an API (Application Programming Interface). It acts like a password that allows your application to access AI services like OpenAI, Anthropic, or Google Gemini.

A: Yes! Our API key testing tool is 100% free to use. There are no hidden fees, no signup required, and no usage limits. We believe in providing free tools for developers.

A: No! You can test your API keys immediately without creating an account. Simply select your provider, enter your API key, and click "Test Key".

A: Yes! We never store your API keys. They are only used temporarily to make a test request to the provider's API, then immediately discarded. All connections are encrypted with HTTPS.

A: 1. Select your AI provider from the dropdown menu 2. Enter your API key in the input field 3. Choose a model (optional - we'll use a default if not selected) 4. Click "Test Key" 5. Wait a few seconds for the result

A: Our tool makes a minimal API request to the provider (like asking "Say hello") to verify that: • Your API key is valid and active • The selected model is available • The API is responding correctly • We also measure the response time (latency)

A: If the test takes more than 10 seconds, our backend server might be "sleeping" (we use free hosting). You'll see a wake-up notification. Just wait 30-60 seconds and try again.

A: Currently, you can test one API key at a time. However, you can quickly switch between providers and test different keys sequentially.

A: We support 13+ AI providers: • OpenAI (GPT-4, GPT-3.5) • Anthropic (Claude 3) • Google Gemini • Groq (Ultra-fast inference) • Fireworks AI • AI21 Labs (Jamba) • NVIDIA NIM • Cohere • Mistral AI • Hugging Face • Replicate • Together AI • Perplexity

A: Each provider has their own process: • OpenAI: platform.openai.com • Anthropic: console.anthropic.com • Google Gemini: makersuite.google.com • Groq: console.groq.com • Most providers offer free trial credits!

A: Yes! We regularly add new AI providers. If you have a suggestion, please use our feedback form.

A: Common reasons: • The API key is incorrect or has typos • The API key has expired or been revoked • You've exceeded your usage quota • The API key doesn't have permission for the selected model • Double-check your key and try again

A: Each provider has a specific API key format: • OpenAI: starts with "sk-" • Anthropic: starts with "sk-ant-" • Gemini: usually 39 characters • Make sure you copied the entire key

A: Timeout errors can occur if: • The AI provider's API is slow or down • Your internet connection is unstable • Our backend server is waking up (wait 60 seconds) • Try again in a few moments

A: If the test passes but your app fails: • Check if you're using the correct model name • Verify your app has the right API endpoint • Ensure you're not exceeding rate limits • Check if your API key has the necessary permissions

A: Latency is the time it takes for the API to respond (measured in milliseconds). Lower latency means faster responses. Typical latencies: • Excellent: < 500ms • Good: 500-1000ms • Acceptable: 1000-2000ms • Slow: > 2000ms

A: The response preview shows the actual text returned by the AI model during the test. This confirms that the API is not only valid but also working correctly and generating responses.

A: Currently, we only offer a web interface. However, you can use the provider's official SDKs for automated testing in your CI/CD pipeline.

A: Not yet, but we're considering it! If you're interested in an API for automated key validation, let us know through our feedback form.

A: No! We never log, store, or save your API keys. They exist only in memory during the test request and are immediately discarded afterward.

A: No! Your API key is only visible to you in your browser. It's never transmitted to other users or stored in any database.

A: We use Google Analytics to track page views and general usage statistics (like which providers are most popular). We do NOT track individual API keys or test results.

A: Yes! All connections use HTTPS encryption. Your API key is encrypted during transmission to our server and to the AI provider's API.

A: Testing with our tool is free. However, the test does make a minimal API request to the provider, which may consume a tiny amount of your API credits (usually < $0.001).

A: The test request is extremely minimal (we ask the AI to say just 3 words), so the cost is negligible - typically less than $0.001. Most providers offer free trial credits that easily cover testing.

A: No! This tool is completely free and will remain free forever. We don't have paid plans or premium features.