HTTP 102 — Processing

The server has received and is processing the request, but no response is available yet

When to use it

Use status 102 when this is the correct HTTP response semantic: The server has received and is processing the request, but no response is available yet

Request and response example

POST /uploads HTTP/1.1
Host: api.example.com
Expect: 100-continue

HTTP/1.1 102 Processing

Related status codes

100, 101, 103

References

MDN · RFC 9110