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CRUD HTTP Methods with 🌀 CURL

Flags

  • -X = Request Method
  • -X GET = Read data
  • -X POST = Create data
  • -X PUT = Update or replace data
  • -X DELETE = Remove data
  • -X PATCH = Partially update data
  • -d = Sends data in the request body
  • -d '{"name":"alex","role":"dev"}'
  • -d "name=alex&role=dev"
  • -F = Upload a file (multipart/form-data)
  • -F "file=@report.pdf"
  • -H = Add custom request headers
  • -H "Content-Type: application/json"
  • -H "Authorization: Bearer TOKEN"
  • -H "X-Client-Version: 1.2.0"
  • -v = Verbose (Show detailed request and response info)
  • -L = Follow redirects (301 or 302 CODE)
  • -C - = Resumes partial download
  • curl -O https://example.com/largefile.zip → Start download
  • (If it fails midway...)
  • curl -C - -O https://example.com/largefile.zip → Continue from where it stopped
  • -u user:pass = Basic Auth

🔽 GET (READ)

📟 Terminal Output

curl -X GET https://api.example.com/users

💾 Download Files

Save with original filename 

curl -O https://example.com/file.txt

Save as a specific filename 

curl -o myfile.txt https://example.com/file.txt

➕ POST (CREATE)

curl -X POST https://api.example.com/developers \
  -H "Content-Type: application/json" \
  -d '{"name": "Alexander", "role": "DevOps"}'

✍️ PUT (UPDATE / REPLACE)

Replace data for user with ID 3

curl -X PUT \
  -H "Content-Type: application/json" \
  -d '{"email": "updated.email@example.com"}' \
  https://crud.ba3a.tech/users/3

❌ DELETE

curl -X DELETE https://crud.ba3a.tech/users/3

🔒 Upload a File with Token Auth

curl -X POST https://api.example.com/upload \
  -H "Authorization: Bearer $TOKEN" \
  -F "file=@report.pdf"

🕵️ Debugging

View only headers 

curl -I https://example.com

Verbose output (full request/response) 

curl -v https://example.com

🌐 Download With WGET (easier download tool)

Save to a directory (prefix)

wget --https-only -P ./path <URL>

Save to a specific file

wget --https-only -O ./path/file.txt <URL>