How do I validate my OpenAI API key?

Enter your OpenAI API key (starting with sk-) in the validator form above, select OpenAI as the platform, and click 'Validate API Key'. You'll get instant results showing whether your key is valid and active.

Is it safe to use API Checkers?

Yes, absolutely! API Checkers never stores, logs, or transmits your API keys to any third party. We only make a minimal test request to verify the key's validity in real-time. Your security is our top priority.

Which AI platforms are supported?

API Checkers supports OpenAI, Anthropic, Google AI, Azure OpenAI, Perplexity, Groq, Cohere, Hugging Face, Stability AI, AWS Bedrock, Mistral, Replicate, Together AI, AI21, AssemblyAI, Deepgram, ElevenLabs, PlayHT, and more.

Is API Checkers free to use?

Yes! API Checkers is completely free to use. There are no hidden fees, no registration required, and no limitations on the number of validations.

How long does API key validation take?

API key validation is instant, typically taking less than 2 seconds. Our real-time validation system provides immediate feedback on whether your API key is valid and active.

Can I validate multiple API keys at once?

Currently, you can validate one API key at a time through the web interface. For bulk validation, you can use our API endpoint to programmatically validate multiple keys.

What happens if my API key is invalid?

If your API key is invalid, you'll receive a detailed error message explaining why validation failed. This helps you troubleshoot issues like expired keys, incorrect formats, or revoked credentials.

Do I need to create an account?

No! API Checkers doesn't require any registration or account creation. Simply visit the website, select your platform, enter your API key, and validate instantly.

📝 Blog

Insights & Updates

Stay updated with the latest developments in AI platforms, API management, and best practices for integrating multiple AI services.

All Articles

Getting Started

2025-11-12•3 min read

Welcome to API Checkers Blog

Learn how to use API Checkers to validate your AI API keys across multiple platforms securely and efficiently.

API Checkers TeamRead →

Security

2025-11-10•5 min read

Best Practices for API Key Management

Essential security practices for managing API keys across multiple AI platforms and preventing unauthorized access.

Security TeamRead →

Comparing OpenAI vs Anthropic: Which API Should You Use?

Comparisons

2025-11-09•6 min read

Comparing OpenAI vs Anthropic: Which API Should You Use?

A detailed comparison of OpenAI and Anthropic Claude APIs to help you choose the right platform for your needs.

Technical TeamRead →

Understanding API Rate Limits: A Complete Guide

Technical

2025-11-08•4 min read

Understanding API Rate Limits: A Complete Guide

Learn how API rate limits work across different platforms and how to handle them effectively in your applications.

Technical TeamRead →

Development

2025-11-07•4 min read

Validating API Keys During Development

Best practices for testing and validating API keys in your development environment without risking production keys.

Development TeamRead →

Preventing Costly Production Incidents with API Key Validation

Case Studies

2025-11-06•5 min read

Preventing Costly Production Incidents with API Key Validation

Real-world case studies showing how API key validation prevents downtime and saves money in production environments.

Operations TeamRead →

API Key Management for Teams: Best Practices

Team Management

2025-11-05•6 min read

API Key Management for Teams: Best Practices

How to manage API keys across development teams while maintaining security and preventing unauthorized access.

Team LeadRead →

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