Completar os campos de endereço após preencher o campo de cep usando postmon, apenas 1KB.
<form id="yourForm">
<input type="text" data-field="zipcode" />
<input type="text" data-field="address" />
<input type="text" data-field="city" />
<input type="text" data-field="state" />
<input type="text" data-field="district" />
</form>
<script src="src/zipcode.js"></script>
<script>
var newForm = new Zipcode({
form: 'yourForm'
});
</script>