Address lookup for smoother payments

Having the correct postcode at the point of payment is crucial for a smooth shopping experience for your customers, and even more importantly, reduced cart abandonment. Using postcode lookup or address auto-complete to capture a full address is far faster and more accurate than customers manually entering their data.


However, address lookup isn’t only beneficial for eCommerce businesses, it can also make online processes such as bank account registration and mortgage applications much easier. Reducing any stress and frustration for potential customers is bound to make a positive impact on your business, regardless of what product you have on offer.


Benefits of postcode lookup and address validation


There are many benefits of using an address lookup API – we’ve listed the top ones here:


Compatible across devices


From laptops to tablets to smartphones and EPoS kiosks, a postcode address lookup solution works on every internet-enabled device and provides the optimum user experience.


Scalable


Address lookup technology scales quickly on demand, processing hundreds of enquiries per minute. You can rest assured that our address finder will keep up with your customers even during big seasonal events or Black Friday sales.


User location detected


Address Auto-complete has the ability to sort results by distance from the user, detect which country users are in, and start with the closest matched addresses. If the customer is buying a gift for a friend overseas, for example, they can easily switch the country and the search tool will focus on matches in the selected country instead of their own location. This enables you to build one checkout form for all of your customers, regardless of where they are in the world.


Top tip: If your business trades internationally, choose Address Auto-Complete rather than UK Postcode Lookup to take advantage of our address data for over 240 countries.


Why use address validation?


Address lookup and validation for customer satisfaction


Streamline your checkouts by filling out forms faster and more accurately. Address Auto-Complete can reduce the number of keystrokes by up to 80%, this speeds your customers through the checkout, increasing conversions and reducing basket abandonments.


Accurate contact data


Collect accurate email addresses and phone numbers to boost customer relations and LTV. This can also have a positive impact on your marketing campaigns.


Accurate shipping address data for deliveries


You can reduce the number of failed deliveries with accurate address data, putting less stress on your delivery drivers. This in turn reduces wasted costs of reshipment and time handling customer complaints for missing items.


Easier and quicker for staff


Address and postcode finders are also useful for customer service employees, who are under pressure to search through a database of millions of addresses and locate the relevant location quickly. Businesses will benefit from address and postcode finders because they can quickly filter search results between commercial and residential addresses, enhancing the productivity of direct marketing.


Things to consider for improved payment page UX


Consider errors


If a lot of individuals type O instead of 0 or insert a space where one isn’t needed, their address might not be shown. To avoid this, implement a system that anticipates typical errors like these, ensuring their address is identified, irrespective of any typos.


Make sure to update regularly


If your address directory isn’t updated on a regular basis, you could be missing out on your customers’ new, updated and changed addresses, which translates to orders that you’re losing by losing touch with your existing customer base.


Take advantage of predictive search with Address Auto-Complete


Predictive search is far faster than typing out a whole address, displaying relevant addresses and allowing the user to select theirs is key to efficiency. Furthermore, some people may not know the delivery postcode, with Address Auto-Complete, they can start typing from any part of the address and the tool will present addresses as you type.


Mobile experience


It’s critical that this system functions well on mobile devices, especially since many people shop online using their phones these days. A good mobile UX means that they don’t have to scroll very far, that icons and fields are large enough to click smoothly, that the form works in landscape and portrait mode, that various mobile models’ keyboard features are fully integrated, and that required fields are clearly identified and explained.


How Fetchify’s address lookup and data validation works


Fetchify can implement a simple address lookup API into your business system, so you never have to worry about customer payments failing due to address errors again! With Address Auto-Complete, your users begin typing at any point of the address and suggestions are presented as they type.


With UK Postcode Lookup, all your users have to do is enter their postcode and we’ll display a drop-down menu of matching addresses. Once the user has clicked the correct address, the rest of their details will automatically be filled into their form. For more information get in touch with us and one of our expert team members will be happy to help.

About Fetchify


Fetchify’s address lookup and data validation platforms cover more than 250 countries, and increases customer conversion with the fastest, most accurate customer data capture. Fetchify’s flagship products – Address Auto Complete and Postcode Lookup – reduce friction at the checkout, and also significantly increase the number of successful deliveries. Founded in 2008, Fetchify processes millions of data transactions every day for clients ranging from startups to established high-street names, and offers a full suite of data validation tools, including phone, email and bank, too.

By Fiona Paton July 28, 2026
Guest data captured at the point of booking is quietly falling apart before the stay even begins, and peak season is when it costs the most. A guest books a weekend away for the August bank holiday. Room type, dates, total cost, all confirmed on screen. Then nothing. No confirmation email lands in their inbox. Ten minutes later, they're calling the front desk to check the booking actually went through. Nobody did anything wrong here. The booking engine worked. Payment went through. What broke is quieter than that, and far more common than most hospitality businesses realise. The address you have isn't always the address you think you have A significant share of hotel bookings now arrives through an OTA (an online travel agency, like Booking.com or Expedia) rather than direct. That's not new. What's less well understood is what actually lands in the property management system when they do. Many OTAs pass through a masked or proxy email address rather than the guest's real one, generated specifically for that booking and often expiring shortly after the stay ends. It looks like a valid email address. It behaves like one, right up until the property tries to use it for anything beyond the original booking confirmation. Direct bookings aren't much safer. Industry estimates put the proportion of invalid addresses from manually entered guest data at 20 to 45%, a misspelt domain, a transposed digit, a typo made booking late at night on a small phone screen. None of that shows up as a problem until the moment it matters: a pre-arrival email, a late check-in code, a parking permit, a table reservation confirmation. Why this one email matters more than most Booking confirmations aren't treated like other guest communications, because guests don't treat them like other emails. Open rates for confirmation emails run considerably higher than standard marketing sends, and the expectation isn't "eventually"; it's immediate. A guest expects that confirmation within minutes, not by the end of the day. If it doesn't land straight away, the natural read isn't "it's still processing"; it's "something's gone wrong". A guest who doesn't receive a confirmation doesn't shrug it off. They worry, then they call, then someone on your team spends five minutes confirming something that should have taken none. Peak season is when this compounds None of this is especially visible in a quiet month. A handful of bounced confirmations, a few guests calling to check, easily absorbed. Peak season changes the maths. Higher volumes mean more bad records moving through the system at once, and less staff time available to catch each one before it becomes a guest's problem rather than a data problem. The property that could quietly absorb ten failed confirmations in March is dealing with a hundred in August, right when front desk and reservations teams are already stretched thinnest. Peak season doesn't create this problem. It just makes the one that was already there impossible to ignore. What this actually costs The cost isn't just the phone call. A guest who's already anxious about whether their booking is real arrives in a different frame of mind than one who received a warm, accurate pre-arrival email three days before. Upsell opportunities in that pre-arrival window - an early check-in, a room upgrade, a spa slot, depend on the guest actually receiving it in the first place. None of that happens if the address behind it was never valid to begin with. The fix sits earlier than most teams look The instinct when a confirmation bounce is to fix it after the fact: resend, follow up by phone, apologise. The more useful moment is earlier, verifying email and phone at the point they're captured, whether that's a direct booking form or a reconciliation step against whatever an OTA has actually handed over. In practice, that looks like validation built into the booking form itself: if a guest mistypes their email, the system flags it before they hit submit, the same way a checkout might flag an invalid card number. This is exactly what Fetchify does for hospitality businesses: verifying contact details at the source, so the confirmation, the pre-arrival email, the parking permit, all have somewhere real to land. Caught there, it never becomes a guest-facing problem at all. Getting this right at the point of entry does more than protect a confirmation email. It's a faster, less frustrating booking process for the guest, since a flagged typo takes a second to fix rather than derailing the whole form. It's cleaner data feeding into retargeting and post-stay marketing, since accurate contact details are what make audience targeting worth doing in the first place. And it's a real inbox to send a review request to once the stay is over, rather than one more email quietly bouncing into nothing. If your team is capturing guest contact details manually, or reconciling them from OTA bookings, catching the invalid ones before check-in is more straightforward to fix than it sounds. More on how Fetchify helps hospitality businesses keep guest data accurate below.
By Fiona Paton July 27, 2026
“I found the process a painless exercise, which involved very little extra work from me, and the success was very high. I would recommend anyone who is experiencing issues with old data to go through a data cleanse.” – Michael Gillespie, Manager of Field Testing, Sports Labs
Courier delivering a parcel and checking his phoe ne
By Fiona Paton July 21, 2026
What is PAF? The Postcode Address File (PAF®) is Royal Mail’s definitive database of every deliverable address and postcode in the UK. It covers over 32 million delivery points and is updated monthly. If your business relies on accurate address data, at checkout, in your CRM, or for deliveries, PAF is the source that keeps it current. July 2026 in numbers Royal Mail made 54,025 changes to PAF this month. That is not a small number. It represents new homes that need delivering to, businesses that have moved or closed, streets that have been renamed, and addresses that were simply wrong and have now been corrected. Every one of those changes is a record in someone’s database that may now be out of date, and a delivery, a campaign, or a customer communication that could go wrong if the data hasn’t been updated. Delivery point changes at a glance Here’s the full breakdown of what changed, amended, and was removed from PAF in July:
By Fiona Paton July 20, 2026
The Address Is Only Half the Journey. Meet nShift. Fetchify ensures the address is correct at checkout. nShift makes sure the parcel gets there. A validated address is a great start, but it's only half the journey. From there, the parcel still has to find the right carrier, the right label, and the right doorstep. That's a different problem, and it's the one nShift solves. What nShift does nShift is a delivery management platform connecting businesses to 1,000+ carriers across 190 countries through a single integration, checkout, delivery options, carrier selection, tracking, and returns, all in one place instead of a separate system per carrier. Customers using nShift see a 20% increase in conversions at checkout and up to 60% fewer "where is my order" queries. Superdry is a good example with 515 stores, 21 websites, and shipping to 100+ countries. As the business scaled internationally, nShift let them onboard new carriers fast and get full visibility across every shipment. As Gordon Knox, Superdry's Business Transformation and Logistics Director, put it, onboarding carriers quickly was essential to a growing international business; that's exactly what they got, plus the data to hold carriers accountable on cost and service. Why we're recommending them Some of nShift's own clients already use Fetchify to validate their checkout data, so we've seen firsthand what good address data unlocks downstream in nShift's platform. That's the real reason for this partnership: the two products solve adjacent halves of the same problem, and we've watched it work in practice. Fetchify validates the address in real time, catching typos, missing flat numbers, and misspelt street or town names as the customer types, without slowing the checkout down, and confirms phone and email are live at the same time. That clean, structured data flows straight into nShift, which picks the right carrier automatically and keeps the customer updated with branded tracking. No reformatting. No manual fixes. No booking failures from bad data. The result: higher conversion, fewer failed deliveries, fewer support tickets, because the two weakest links in the checkout-to-doorstep chain (bad addresses, clunky carrier logistics) are both handled properly. Who this is for Any ecommerce business shipping physical goods stands to benefit, especially if you're juggling multiple carriers, shipping cross-border, or scaling into markets where one carrier doesn't cover it. If delivery reliability has become as much of a pain point as address accuracy, this is worth a look.
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