8.7Content Types

Content-Type	Used For	Example
application/json	REST APIs	{"name": "Alice"}
application/x-www-form-urlencoded	HTML forms	name=Alice&email=alice@test.com
multipart/form-data	File uploads	Binary file data with boundaries
text/html	Web pages	HTML content
application/xml	SOAP APIs, legacy systems	<user><name>Alice</name></user>

# Sending form data (not JSON)
r = requests.post(f"{base_url}/login", data={"username": "alice", "password": "pass123"})

# Uploading a file
with open("document.pdf", "rb") as f:
    r = requests.post(f"{base_url}/upload", files={"file": f})