Perplexity API Key Tester
Enter your Perplexity API key below and click 'Test Key' to check if it works. This tool will send a request to Perplexity asking, "Does this key work?" and return a response with an explanation.
🔑 How to Get Your API Key
2. Open Settings > API and generate a key
3. Copy the key (starts with pplx-)
4. Add credit to use the Sonar API
Test Your API Key
🔧 Alternative: cURL Command
You can also test your API key using cURL from your terminal:
curl -sS -X POST https://api.perplexity.ai/chat/completions -H 'Authorization: Bearer {{KEY}}' -H 'Content-Type: application/json' -d '{"model":"sonar","messages":[{"role":"user","content":"Hello world!"}],"max_tokens":1}'
💻 How to run this command in your terminal:
- Copy the command above by clicking the "Copy" button
- Open your terminal (Command Prompt on Windows, Terminal on Mac/Linux)
- Paste the command using Ctrl+V (Windows/Linux) or Cmd+V (Mac)
- Press Enter to execute the command
- Check the response - you'll see either a success message or an error explaining what's wrong
💡 Terminal Tips:
- Make sure you have
curlinstalled (it comes pre-installed on Mac and most Linux systems) - On Windows, you may need to install curl or use PowerShell's
Invoke-WebRequestinstead - If you see "command not found", try
curl --versionto check if it's installed
🔧 Common Perplexity API key errors
❌ 401
Cause: Invalid or revoked key.
Fix: Create a new key in Perplexity Settings > API and paste it here.
❌ 402
Cause: No API credit on the account.
Fix: Add credit in Perplexity Settings > API, then retry.
❌ 429
Cause: Rate limit exceeded.
Fix: Wait a few seconds and retry.
🔑 API Key Format Guide
Your Perplexity API key should follow the correct format:
✅ Valid Format
pplx-abc123...
Starts with "pplx-". Perplexity keys start with pplx-.
❌ Invalid Format
invalid_key_format
Missing required prefix, wrong length, or incorrect format
How to check if your Perplexity API key is working
- Copy your key from Perplexity Settings > API (it starts with pplx-).
- Paste it into the tester above and click Test Key.
- Green means valid; red shows the exact error and fix.
❓ Frequently Asked Questions
How do I test my Perplexity API key?
Simply paste your API key into the form above and click "Test Key". Our tool will make a test request to Perplexity to verify your key works.
Is it safe to test my API key here?
Yes! All testing happens in your browser - we never see or store your API keys. The key never leaves your device.
What if my API key test fails?
Check the error message above. Common issues include invalid keys, expired keys, insufficient credits, or rate limiting. Use the troubleshooting guide above for specific solutions.
Can I test multiple API keys?
Yes, you can test as many keys as you need. Each test is independent and secure.
Why do I need to use the terminal?
Some providers use server-side authentication for enhanced security. The terminal method provides direct access to test your API key with full compatibility.
Use Cases
- Quickly verify if your Perplexity API key is valid
- Troubleshoot API key-related issues with detailed error messages
- Understand Perplexity API response codes and their meanings
- Test API connectivity before integrating AI models into your applications
- Verify model access and rate limits for your account
Supported Perplexity Responses
This tool handles all Perplexity error codes, including:
- 200 (OK): Key is valid and working correctly
- 201 (Created): Request successful and resource created
- 202 (Accepted): Request accepted and being processed
- 400 (Bad Request): Invalid request format or parameters
- 401 (Unauthorized): The API key is incorrect or invalid
- 403 (Forbidden): API key lacks required permissions
- 404 (Not Found): Requested resource doesn't exist
- 429 (Rate Limit Exceeded): Too many requests in a short period
- 500 (Server Error): Perplexity servers are experiencing issues
Refer to the Perplexity Documentation for more details.