9  Webservice Python

9.1 Method Summary with Python (requests)

HTTP Method	requests Function	Purpose	Response Codes (Typical Success)
GET	requests.get()	Retrieve resource/data	200 OK
POST	requests.post()	Create a new resource	201 Created
PUT	requests.put()	Update existing resource	200 OK
DELETE	requests.delete()	Delete resource	200 OK, 204 No Content

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This structure provides a clear, practical way of interacting with RESTful APIs through Python.

9.2 GET Request (Retrieve Data)

import requests

response = requests.get("https://jsonplaceholder.typicode.com/posts/1")
response

<Response [200]>

response.json()

{'userId': 1,
 'id': 1,
 'title': 'sunt aut facere repellat provident occaecati excepturi optio reprehenderit',
 'body': 'quia et suscipit\nsuscipit recusandae consequuntur expedita et cum\nreprehenderit molestiae ut ut quas totam\nnostrum rerum est autem sunt rem eveniet architecto'}

9.3 POST Request (Send Data)

import requests

payload = {
    "title": "Hello World",
    "body": "This is my first API request!",
    "userId": 1
}

response = requests.post(
    "https://jsonplaceholder.typicode.com/posts",
    json=payload
)

if response.status_code == 201:  # 201 Created
    data = response.json()
    print("Created:", data)
else:
    print("Error:", response.status_code)

Created: {'title': 'Hello World', 'body': 'This is my first API request!', 'userId': 1, 'id': 101}

9.4 PUT Request (Update Data)

import requests

updated_payload = {
    "title": "Updated Title",
    "body": "Updated body content",
    "userId": 1
}

response = requests.put(
    "https://jsonplaceholder.typicode.com/posts/1",
    json=updated_payload
)

if response.status_code == 200:
    data = response.json()
    print("Updated:", data)
else:
    print("Error:", response.status_code)

Updated: {'title': 'Updated Title', 'body': 'Updated body content', 'userId': 1, 'id': 1}

9.5 DELETE Request (Remove Data)

import requests

response = requests.delete("https://jsonplaceholder.typicode.com/posts/1")

if response.status_code == 200 or response.status_code == 204:
    print("Deleted successfully.")
else:
    print("Error:", response.status_code)

Deleted successfully.