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API Key Validator Online

Test and validate API keys for OpenAI, Anthropic, Google AI, and other services. Secure validation without storing keys on our servers.

api key
validator
openai
anthropic
google ai
authentication
testing

API Key Validator

Test 17+ services instantly

Select Service

🤖

OpenAI

GPT models, DALL-E, Whisper

🧠

Anthropic

Claude models

🔍

Google AI

Gemini models

☁️

Azure OpenAI

Azure-hosted OpenAI models

🌪️

Mistral AI

Mistral language models

🎯

Cohere

Command models

🔎

Perplexity

Search-augmented AI

🤝

Together AI

Open source models

Groq

Ultra-fast inference

🔬

DeepSeek

Advanced reasoning models

🎆

Fireworks AI

Fast model inference

🤗

Hugging Face

Open source ML models

🔄

Replicate

AI model hosting

🎨

Stability AI

Stable Diffusion models

🎵

ElevenLabs

Voice synthesis

🌲

Pinecone

Vector database

🐙

GitHub

GitHub API access

Select a Service

Choose from 17+ supported API services to get started

Free API Key Validator – Instantly Test 17+ Services

Quickly check if your API key works for services like OpenAI, Anthropic, Google AI, and more — no sign-up, no data stored.

Why Use It?

  • ✅ Supports 17+ APIs: OpenAI, Claude, Gemini, Azure, and more
  • ⚡ Real-Time Results: See instant feedback and errors
  • 🔒 Fully Private: Keys never stored or logged
  • 📊 Get Insights: View usage, permissions, and limits
  • 💯 Always Free: No account needed

Supported APIs

Includes AI (OpenAI, Claude, Gemini), dev tools (GitHub, Hugging Face), and more.

How It Works

  1. Pick a service
  2. Paste your API key
  3. Get instant results

Top Features

  • 🔐 Secure: HTTPS, no logs
  • ⚙️ Fast: Real-time validation + diagnostics
  • 🌍 Wide Support: 17+ APIs and growing

Use Cases

  • Test before using in code
  • Debug auth issues
  • Audit and rotate keys

Security Tips

  • Rotate keys often
  • Store keys in env vars
  • Use minimal permissions

🔐 Your Keys Stay Safe

All keys are validated securely in your browser. Nothing is stored or sent to our servers.

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