The HTTP 451 error code appears when a requested resource is legally unavailable. This typically occurs due to restrictions imposed by legal authorities – the content is blocked to comply with legal demands.
Government-imposed censorship or restrictions on specific types of content.
Legal injunctions that specifically prevent certain information from being accessible.
Copyright or intellectual property rights enforcement.
Compliance with local laws prohibiting the display or distribution of certain content.
# Request example curl -X GET https://sandbox.oxylabs.io/ -H 'Accept: text/html' -H 'Accept-Encoding: gzip, deflate' -H 'User-Agent: Chrome/91.0.4472.124'
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Review and optimize the frequency of requests to ensure they are spread out evenly over time.
Implement exponential backoff in your request retry strategy to reduce the likelihood of hitting the rate limit.
Increase the rate limit by upgrading your service plan or negotiating higher limits with the service provider.
Utilize caching mechanisms to reduce the number of requests made to the server.
# Response example HTTP/1.1 451 Unavailable For Legal Reasons Content-Type: text/html; charset=UTF-8 Content-Encoding: gzipUnavailable For Legal Reasons 451 Unavailable For Legal Reasons
This content is unavailable due to legal reasons.
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Public data delivery from the majority of websites
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