Fetch Data from api

To fetch data from an API in Python, you need to use a library that can handle HTTP requests and responses. HTTP (Hypertext Transfer Protocol) is the standard protocol for transferring data over the web. A request is a message that you send to an API to ask for data or perform an action. A response is a message that the API sends back to you with the data or the result of the action.

An API (Application Programming Interface) is a way for different applications or services to communicate with each other. It can provide data, functionality, or both. An API can provide weather data, stock prices, currency exchange rates, or even jokes.

One of the most popular libraries for working with HTTP requests and responses in Python is requests. You can install it using pip, which is a package manager for Python:

pip install requests

To use requests, you need to import it in your Python code:

import requests

You need to specify the URL of the API that you want to fetch data from. A URL (Uniform Resource Locator) is a unique address that identifies a resource on the web. i.e, the URL of the Teksol homepage is “https://theteksol.com/”.

Some APIs require you to provide additional parameters or headers to customize your request. Parameters are key-value pairs that are added to the URL after a question mark (?). Headers are key-value pairs that are added to the request header, which is a part of the request message that contains metadata. Some APIs require you to provide an API key, which is a unique identifier that authenticates your request. You can usually obtain an API key by registering with the API provider.

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To pass parameters or headers to requests, you can use dictionaries:

parameters = {'key1': 'value1', 'key2': 'value2'}
headers = {'key1': 'value1', 'key2': 'value2'}

To fetch data from an API, you need to use one of the methods of requests, such as get, post, put, or delete. These methods correspond to the HTTP methods, which indicate the type of action that you want to perform. The most common method is get, which is used to retrieve data from an API. To use get, you need to pass the URL, and optionally, the parameters and headers, as arguments:

response = requests.get(url, params=parameters, headers=headers)

The get method returns a response object, which contains the data and the status of the request. To access the data, you can use the json method of the response object, which converts the data into a Python dictionary or list, depending on the structure of the data:

data = response.json()

To access the status of the request, you can use the status_code attribute of the response object, which returns an integer that indicates whether the request was successful or not. The most common status codes are 200 (OK), 404 (Not Found), and 500 (Internal Server Error):

status = response.status_code

To check if the request was successful, you can use the ok attribute of the response object, which returns a boolean value:

success = response.ok

Alternatively, you can use the raise_for_status method of the response object, which raises an exception if the status code is not 200:


To handle exceptions, you can use a try-except block, which allows you to execute some code if an error occurs:


response = requests.get( url, params=parameters, headers=headers )
data = response.json()

# do something with data

except requests.exceptions.RequestException as e:

# handle error


Example: Fetching Data from the JokeAPI

To illustrate how to fetch data from an API in Python, let’s use the JokeAPI, which is a free API that provides jokes in various categories and formats. You need to provide the following parameters:

  • category: The category of the joke, such as Programming, Dark, or Any.
  • type: The type of the joke, such as single (one-liner), twopart (question and answer), or any.
  • blacklistFlags: The flags that indicate the topics that you want to avoid, such as nsfw (not safe for work), religious, political, or none.

To fetch a single-line joke from the Programming category, you can use the following URL:


To fetch data from this URL in Python, you can use the following code:

import requests

url = ‘https://v2.jokeapi.dev/joke/Programming’
parameters = {'type': 'single', 'blacklistFlags': 'nsfw,religious,political'}
headers = {'User-Agent': 'Bing'}


response = requests.get(url, params=parameters, headers=headers)
data = response.json()

# print the joke

except requests.exceptions.RequestException as e:

# handle error


The output of this code might look something like this:

Why do programmers always mix up Halloween and Christmas?
Because Oct 31 == Dec 25

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