addresses.py

import requests
import json
import csv

"""
Example Input CSV
first_name address1 	address2 	city 	state 	zip email
John Doe    111 Middlefield Road    Redwood City 	CA 	94063 foo@bar.com
Jane Doe    111Middlefield Road    Redwood City 	CA 	94063 foo@bar.com
"""
path_to_file = "./addresses.csv"

headers = {
    "User-Agent": "Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Firefox/91.0",
    "Accept": "*/*",
    "Accept-Language": "en-US,en;q=0.5",
    "Referer": "https://special.usps.com/",
    "Content-Type": "application/json",
    "X-Api-Key": "V2FrZSB1cCwgTmVvLi4u",
    "Origin": "https://special.usps.com",
    "Connection": "keep-alive",
    "Sec-Fetch-Dest": "empty",
    "Sec-Fetch-Mode": "cors",
    "Sec-Fetch-Site": "same-site",
    "TE": "trailers",
}

input_file = csv.DictReader(open(path_to_file))
for params in input_file:
    params["uCode"] = ""
    response = requests.post(
        "https://special-api.usps.com/",
        data=json.dumps(params),
        headers=headers,
    )
    print(params["address1"])
    print(response.status_code)
    if response.status_code != 201:
        print(response.content)