Request to Steam API working with curl, does not work in browser, insomnia nor flask

Question

I am trying to do a simple GET request to the Steam API:

If I do in the terminal:

curl http://api.steampowered.com/ISteamUser/GetPlayerSummaries/v0002/\?key\=XXXXXX\&steamids\=76561197960435530

It works:

{"response":{"players":[{"steamid":"76561197960435530","communityvisibilitystate":3,"profilestate":1,"personaname":"Robin","profileurl":"https://steamcommunity.com/id/robinwalker/","avatar":"https://steamcdn-a.akamaihd.net/steamcommunity/public/images/avatars/f1/f1dd60a188883caf82d0cbfccfe6aba0af1732d4.jpg","avatarmedium":"https://steamcdn-a.akamaihd.net/steamcommunity/public/images/avatars/f1/f1dd60a188883caf82d0cbfccfe6aba0af1732d4_medium.jpg","avatarfull":"https://steamcdn-a.akamaihd.net/steamcommunity/public/images/avatars/f1/f1dd60a188883caf82d0cbfccfe6aba0af1732d4_full.jpg","avatarhash":"f1dd60a188883caf82d0cbfccfe6aba0af1732d4","personastate":0,"realname":"Robin Walker","primaryclanid":"103582791429521412","timecreated":1063407589,"personastateflags":0,"loccountrycode":"US","locstatecode":"WA","loccityid":3961}]}}

However, when I type in my local browser the url, I get 404 Bad Request: "Required parameter 'key' is missing".

I though it might be related with CORS, so I tried to sent the response from a local flask application:

import requests
from flask import Flask
app = Flask(__name__)

@app.route('/')
@cross_origin()
def get_data():
    return(requests.get('http://api.steampowered.com/ISteamUser/GetPlayerSummaries/v0002/\?key\=XXXXXXX\&steamids\=76561197960435530').content)

But I also get 404 Not Found error

Answer 1

When you're making the request via Flask or typing it in your browser, do not escape the url yourself (if you look at the url, you will see stuff like \? and \=

Use the full url ie

http://api.steampowered.com/ISteamUser/GetPlayerSummaries/v0002/?key=XXXXXXX&steamids=76561197960435530