cURL Cheatsheet

#http://cheat.sh/curl
# Download a single file
curl http://path.to.the/file

# Download a file and specify a new filename
curl http://example.com/file.zip -o new_file.zip

# Download multiple files
curl -O URLOfFirstFile -O URLOfSecondFile

# Download all sequentially numbered files (1-24)
curl http://example.com/pic[1-24].jpg

# Download a file and follow redirects
curl -L http://example.com/file

# Download a file and pass HTTP Authentication
curl -u username:password URL

# Download a file with a Proxy
curl -x proxysever.server.com:PORT http://addressiwantto.access

# Download a file from FTP
curl -u username:password -O ftp://example.com/pub/file.zip

# Get an FTP directory listing
curl ftp://username:password@example.com

# Resume a previously failed download
curl -C - -o partial_file.zip http://example.com/file.zip

# Fetch only the HTTP headers from a response
curl -I http://example.com

# Fetch your external IP and network info as JSON
curl http://ifconfig.me/all/json

# Limit the rate of a download
curl --limit-rate 1000B -O http://path.to.the/file

# POST to a form
curl -F "name=user" -F "password=test" http://example.com

# POST JSON Data
curl -H "Content-Type: application/json" -X POST -d '{"user":"bob","pass":"123"}' http://example.com

# POST data from the standard in / share data on sprunge.us
curl -F 'sprunge=<-' sprunge.us





# https://cheatsheet.dennyzhang.com/cheatsheet-curl-a4
1.1 Curl Get/Head
Curl head request =
curl -I https://www.google.com

Curl head request with verbose =
curl -v -I https://www.google.com

Curl with explicit http method =
curl -X GET https://www.google.com

Curl without http proxy =
curl --noproxy 127.0.0.1 http://www.stackoverflow.com

Curl has no timeout by default =
curl --connect-timeout 10 -I -k https://www.google.com

Curl get with extra headers =
curl --verbose --header "Host: www.mytest.com:8182" www.google.com

Curl get response with headers =
curl -k -v https://www.google.com


1.2 Curl POST
Curl post request =
curl -d "name=username&password=123456" <URL>

Curl post send json =
curl <URL> -H "content-type: application/json" -d "{ \"woof\": \"bark\"}"


1.3 Curl Advanced
Get my public ip =
curl -L -s http://ipecho.net/plain, curl -L -s http://whatismijnip.nl

Curl with credential =
curl -u $username:$password http://repo.dennyzhang.com/README.txt

Curl upload =
curl -v -F key1=value1 -F upload=@localfilename <URL>

Install curl in alpine linux =
apk add --update curl

Curl with http2 =
curl -k -v --http2 https://www.google.com/

Curl ftp upload =
curl -T cryptopp552.zip -u test:test ftp://10.32.99.187/

Curl ftp download =
curl -u test:test ftp://10.32.99.187/cryptopp552.zip -o cryptopp552.zip

Curl upload with credential =
curl -v -u admin:admin123 --upload-file package1.zip http://mysever:8081/dir/package1.zip


1.4 Curl Script
Install packages with curl =
curl-install-package.sh

Check a website response time =
curl-url-time.sh

Beautify json output for curl response =
curl-format-json.sh

Curl run remote scripts =
curl-remote-scripts.sh


1.5 Wget
Download one url =
wget -O /tmp/google.html https://google.com

Download mutiple urls =
wget https://google.com https://bing.com

Download a list of urls =
wget -i url-list.txt, url-list.txt





#https://gist.github.com/Kartones/5ae36f801f3d51ac1be0
XML GET
curl -H "Accept: application/xml" -H "Content-Type: application/xml" -X GET "http://hostname/resource"

JSON GET
curl -i -H "Accept: application/json" -H "Content-Type: application/json" -X GET "http://hostname/resource"

JSON PUT
curl -i -H 'Content-Type: application/json' -H 'Accept: application/json' -X PUT -d '{"updated_field1":"updated_value1"}' "http://hostname/resourcex"

JSON POST uploading a file
curl -i -H 'Accept: application/json' -X POST -F "filename=@/file/path" -F "other_field=its_value"   "http://hostname/resource"

JSON DELETE
curl -i -H 'Content-Type: application/json' -H 'Accept: application/json' -X DELETE -d '{"key1":"value1"}' "http://hostname/resource"

"Debugging mode" (without actual content output):
curl -XGET -vvv http://hostname/resource > dev\null

Useful arguments
    -k: not check SSL certificates
    -L: follow redirects
    -v: get verbose output
    -V: get headers at output