⁉️Common Error Codes
Learn about common RPC error messages and potential solutions. If you experience persistent issues, contact Helius support.
When interacting with Helius RPC endpoints, you may encounter the following standard HTTP error codes that indicate the status of your requests:
401
Unauthorized
Invalid API key or restricted access due to Access Control Rules.
Ensure your API key is correct and has the necessary permissions.
429
Too Many Requests
Exceeded Rate Limits. Check "Rate Limited Requests" graph in your RPC metrics dashboard in Usage section.
Implement rate limiting from your side or upgrade the plan for increased rate limits. Check our Pricing & Rate limits page for details.
500
Internal Server Error
Generic server-side issue.
Contact Helius support for assistance
503
Service Unavailable
Server is temporarily overloaded or under maintenance.
Retry the request after some time, if the issue persists contact Helius support.
504
Gateway Timeout
Client did not receive a timely response from the server.
This could indicate network issues.
Check your network connection and retry, if the issue persists contact Helius support.
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