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Perplexity: API Key Invalid / Authentication Error
Current Status: Major Outage
Last checked: 21m ago
What We're Seeing Right Now
No recent issues reported. If you're experiencing problems with Perplexity, report below to help the community.
What is this error?
When Perplexity rejects your API key or credentials, your authentication is invalid. This blocks all API access until resolved.
Error Signatures
Invalid API key401 UnauthorizedAuthentication failedAPI key not foundForbiddenAccess deniedInvalid credentialsCommon Causes
- API key expired or revoked
- Wrong API key for the project/environment
- Key permissions insufficient for the requested operation
- Billing issue suspended API access
- Perplexity auth service is down
✓ How to Fix It
- Verify your API key in Perplexity's dashboard
- Regenerate the key if expired
- Check key permissions and scopes
- Verify billing status
- Check this page for auth service issues
- Ensure the key is correctly set in your environment
Perplexity Resources:
Live Signals
Service Components
Perplexity API
Checking...Perplexity Web
Checking...Recent Incidents
No incidents in the past 30 days
Frequently Asked Questions
Why is my Perplexity API key not working?
The key may be expired, revoked, or incorrectly configured. Regenerate it from your dashboard and verify it's set correctly.
Is Perplexity authentication down?
Check community reports below for auth-related issues.
How do I fix Perplexity auth errors?
Regenerate your API key, check billing status, and verify permissions. See troubleshooting steps above.