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HTTP 503 Service Unavailable Error - Meaning & Fix

The HTTP 503 Service Unavailable error means the server is currently unable to process your request due to temporary overloading or maintenance. This issue is generally momentary. A user-friendly page often accompanies this error to explain the situation.

Main causes

  • Server undergoing maintenance

  • Server overloaded with requests

  • Unexpected technical issues

  • Configuration errors

# Request example 
curl -X PUT https://sandbox.oxylabs.io/ -H 'Accept: */*;q=0.8' -H 'Accept-Encoding: gzip, deflate' -H 'User-Agent: Chrome/91.0.4472.124'

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Common fixes

  • Verify the legal restrictions in your jurisdiction to understand why the content is blocked.

  • Contact the website administrator to inquire about the specific legal restriction causing the error.

  • Use a VPN service to access the content from a different jurisdiction where it may not be restricted.

  • Seek an alternative source for the content that complies with your local laws.

# Response example 
HTTP/1.1 503 Service Unavailable
Content-Type: text/html
Content-Length: 49

503 Service Unavailable

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