Transferring data with curl
Downloading
Download to stdout:
curl http://www.example.comSave to a specified file:
curl -o my_file http://www.example.comSave using the file name from the URL:
curl -O http://www.example.com/index.htmlDownload multiple files:
curl -O http://www.example.com/this.html -O http://www.example.com/that.htmlResume an interrupted download:
curl -C - http://www.example.comFollow redirects:
curl -L http://www.example.comFetch only if modified after a date:
curl -z 21-Dec-17 http://www.example.comFetch only if modified before a date:
curl -z -21-Dec-17 http://www.example.comHTTP requests
GET (default):
curl http://www.example.comPOST:
curl -X POST http://www.example.comPOST with form-encoded parameters in the body:
curl -X POST -d "p1=v1&p2=v2" http://www.example.comPOST with JSON body:
curl -X POST -d '{"name":"value"}' http://www.example.comPOST with a file as the body:
curl -X POST -d @file.json http://www.example.comPOST multipart form data:
curl -X POST -F foo=bar -F bar=baz http://www.example.comPOST multipart form with file upload:
curl -X POST -F foo=bar -F bar=@file.png http://www.example.comHeaders and auth
Set request headers:
curl --header "Content-Type: application/json" http://www.example.comBasic auth:
curl -u username:password http://www.example.comCookies
Send cookies from a file:
curl -b cookie_file http://www.example.comSend a cookie value directly:
curl -b "name=value" http://www.example.comSave response cookies to a file:
curl -c cookie_file http://www.example.comDebugging
Verbose output (protocol details):
curl -v http://www.example.comFull data transfer trace:
curl --trace output.txt http://www.example.com