# 503 Service Unavailable

> HTTP response status code

**Wikidata**: [Q17538709](https://www.wikidata.org/wiki/Q17538709)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/HTTP_503)  
**Source**: https://4ort.xyz/entity/503-service-unavailable


## References

1. RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content