Hello - I need some help! I'm struggling to find a developer that is able to help us integrate API from our delivery service - Penguin Pick Up. My developer is asking how he would be able to go in and code on the back end to build out this integration - since there aren't many current options int he store checkout page ... could anyone please advise? Specifically we want to include postal code search, mapping function, pick up location selection, then carry through to checkout and integrate with 3pl. Our developer isn't sure how to get out of Shopify's 'user friendly' checkout options and built this out.
you are using shopify or shopify plus