<script src="https://cdn.jsdelivr.net/npm/@ideal-postcodes/postcode-lookup-bundled">
</script>

<script>
IdealPostcodes.PostcodeLookup.setup({
apiKey: "ak_test",
context: "#idpc",
outputFields: {
line_1: 'input[name="text-1"]',
line_2: 'input[name="text-2"]',
line_3: 'input[name="text-3"]',
post_town: 'input[name="text-4"]',
postcode: 'input[name="text-5"]'
},
});
</script>