usps-webtools

Installation:

npm install usps-webtools

Usage:

Initializing the usps model with usps server url address, and user id.
Example:

const USPS = require('usps-webtools');

const usps = new USPS({
  server: 'http://production.shippingapis.com/ShippingAPI.dll',
  userId: 'USPS User id',
  ttl: 10000 //TTL in milliseconds for request
});

verify(object, callback)

Verify takes two parameters: object and callback.
object: street1, street2, city, state, zip
callback: err, address
Example

usps.verify({
  street1: '322 3rd st.',
  street2: 'Apt 2',
  city: 'San Francisco',
  state: 'CA',
  zip: '94103'
}, function(err, address) {
  console.log(address);
});

zipCodeLookup(object, callback)

zipCodeLookup takes two parameters: object and callback.
object: street1, street2, city, state
callback: err, address
Example

usps.zipCodeLookup({
  street1: '322 3rd st.',
  street2: 'Apt 2',
  city: 'San Francisco',
  state: 'CA'
}, function(err, address) {
  console.log(address);
});

cityStateLookup(object, callback)

cityStateLookup takes two parameters: zipcode and callback.
zipcode: 5 digit zipcode
callback: err, address
Example

usps.cityStateLookup('94107', function(err, result) {
  // result == { city: , state: , zip: }
});