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Here’s an article that explains why you can’t retrieve data from a URL API with JSON in Python:
Title: Can’t Get Information from Binance API with JSON: A Guide to Understanding API Limitations and Workarounds
Introduction
As a developer, getting the information you need is one of the most exciting aspects of working on projects. However, when it comes to APIs like the Binance API, understanding their limitations can be challenging. In this article, we’ll explore why retrieving data from the Binance API with JSON might not work out and provide some workarounds.
Why can’t I get the information from the URL API with JSON?
The Binance API is a RESTful API that provides access to various financial market data, including cryptocurrency prices. When you send a GET request to a specific URL using the requests library in Python, it sends an HTTP request to the server and receives a response. The response contains the requested data, but JSON (JavaScript Object Notation) is not typically used with RESTful APIs.
The main issue here is that the Binance API does not use JSON by default. Instead, it returns the data as plain text in the form of a string. This is because RESTful APIs often don’t need to support JSON for their internal data exchange; instead, they provide a simple and convenient way to access their resources.
Why doesn’t my URL work with JSON?
When you send a GET request to the server responds with a plain text string containing the ticker list for 24-hour prices. This string is not formatted in a way that can be easily parsed into a Python dictionary or object.
Here's what the response might look like:
[
{
"symbol": "BTC/EUR",
"lastPrice": "4.0025",
"high": "4.0065",
"low": "3.9930",
"open": "4.0011",
"close": "4.0032"
},
{
"symbol": "ETH/USD",
"lastPrice": "4.0027"
}
]
This response does not contain a JSON object, but rather a list of dictionaries containing the requested data.
Workarounds:
If you need to retrieve data from the Binance API with JSON, here are some workarounds:
parameter
: You can specify thejsonparameter when making the GET request:
import requests
binance = requests.get(" json=True)
This will return a JSON object containing the ticker list.
attribute: You can also access the response data using thedataattribute:
import requests
binance = requests.get("
print(binance.json())
This will print out a JSON object containing the requested data.
: There are libraries available that can parse JSON responses into Python objects, such asrequests-json-parser:
import requests
from requests_json_parser import parse_json_response
binance = requests.get("
parsed_data = parse_json_response(binance.text)
print(parsed_data)
These workarounds may have limitations or require additional setup, but they can help you overcome the issue of retrieving data from a URL API with JSON.
Conclusion
In summary, the Binance API does not use JSON by default, and its response format is plain text. To retrieve data from the API using Python, you need to specify the json` parameter or access the response data using other methods like parsing JSON or loading into a Python object. While it may require additional setup or library usage, these workarounds can help you overcome common issues when working with APIs that don’t support JSON out of the box.
