curl

Transfers data from or to a server. Supports most protocols, including HTTP, FTP, and POP3.

Install

All systems
curl cmd.cat/curl.sh
Debian Debian
apt-get install curl
Ubuntu
apt-get install curl
Alpine
apk add curl
Arch Arch Linux
pacman -S curl
image/svg+xml Kali Linux
apt-get install curl
CentOS
yum install curl
Fedora
dnf install curl
OS X
brew install curl
Raspbian
apt-get install curl
Docker
docker run cmd.cat/curl curl powered by Commando

Transfers data from or to a server. Supports most protocols, including HTTP, FTP, and POP3.

  • Download the contents of an URL to a file:
    curl http://example.com -o filename
  • Download a file, saving the output under the filename indicated by the URL:
    curl -O http://example.com/filename
  • Download a file, following [L]ocation redirects, and automatically [C]ontinuing (resuming) a previous file transfer:
    curl -O -L -C - http://example.com/filename
  • Send form-encoded data (POST request of type `application/x-www-form-urlencoded`):
    curl -d 'name=bob' http://example.com/form
  • Send a request with an extra header, using a custom HTTP method:
    curl -H 'X-My-Header: 123' -X PUT http://example.com
  • Send data in JSON format, specifying the appropriate content-type header:
    curl -d '{"name":"bob"}' -H 'Content-Type: application/json' http://example.com/users/1234
  • Pass a user name and password for server authentication:
    curl -u myusername:mypassword http://example.com
  • Pass client certificate and key for a resource, skipping certificate validation:
    curl --cert client.pem --key key.pem --insecure https://example.com

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