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Validate & Correct Addresses.

Boost checkout conversion ↑

Stop wasting money on return mail ↓

Address verification, correction, auto-complete & geocoding for 240 countries world-wide.

Benefits of Using Address Autocomplete API

Improve Address Data Accuracy

The most immediate benefit is better data quality. When users type in their address, autocomplete scans and adjusts the entry even before the form is submitted. This helps prevent issues like: Typos or missing apartment numbers
Mismatched ZIP codes and cities
Addresses that don’t exist or can’t be verified
Thanks to the assistance of our address autocomplete API, your checkout or registration form becomes the first line of defense against bad data. Fewer address errors mean fewer returned packages and smoother backend processing.

Reduce Checkout Friction and Improve UX

Filling out long forms is one of the top reasons users drop off during checkout. Address autocomplete reduces the number of fields a user has to deal with while speeding up the typing process. Instead of manually entering a full address, the user types just a few characters and selects a result from the list. This feels much easier, especially on mobile devices where typing is more cumbersome. Less frustration during form-filling leads to a better overall user experience. This way, many more of your customers make it to the finish line.

Speed Up the Checkout Process

When it comes to e-commerce, time is always money. The faster your checkout is, the more likely it is that the customer completes the purchase. With address autocomplete, users can enter their full shipping address in just seconds. This not only makes the transaction smoother but also helps businesses process orders more efficiently. Shipping labels can be generated faster. Meanwhile, fulfillment can begin without delays due to missing address info.

Reduce Cart Abandonment

Long or confusing forms can cause users to give up before completing a purchase. Address autocomplete helps prevent this by making checkout feel effortless. When users don’t have to worry about remembering their ZIP code, they are more likely to finish the transaction. By removing one of the biggest pain points during checkout, manual address entry, you reduce the risk of cart abandonment and increase conversion rates.

Support International Users with Ease

If your business serves a global audience, manual address input can quickly become complicated. Users in different countries may have different address formats or postal code rules. Our Address Autocomplete API supports over 240 countries and territories. It means that when a person in one of these countries types an address, our tool autofills it for them seamlessly. The API automatically localizes address suggestions based on the user’s location. As a result, you can enjoy fewer mistakes and fewer delivery issues while streamlining the experience for international customers. Meanwhile, you don’t need to create separate forms for each region.

Decrease Operational Costs

Incorrect addresses can be expensive. Whether it's the cost of a failed delivery or time spent contacting customers to confirm details, mistakes add up quickly. With more accurate data from the start, you avoid these issues entirely. Your logistics team can work more efficiently while your customer service reps spend less time fixing address problems. Over time, this helps protect your profit margins.

Increase Trust and Professionalism

Customers notice when a checkout process feels polished. Autocomplete not only improves function but also contributes to the perception of your brand as tech-savvy and customer-focused. An accurate form shows that your business takes the user experience seriously. That sense of trust can make a big difference, especially when it comes to first-time buyers.

Demo - Address-Autocomplete

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Trusted by Enterprises and Governments Since 2003 for Data Accuracy in 240 Countries

Global Coverage in 240+ Countries

Our Address Autocomplete API works worldwide. It has accurate address information for 240 countries and territories. No matter where your users are located, they’ll get fast, localized address suggestions. Whether you run a global eCommerce store or operate logistics across borders, this wide coverage keeps your data accurate.

Sub-Building Level Accuracy

Leverage our Address Auto-Complete API to watch addresses populate in real-time with just a few keystrokes, accelerating transactions and minimizing user errors.

Highly Customizable Search Resolution

Not every use case needs the same level of detail. That’s why our API allows full control over how granular your autocomplete should be. You can customize it to return:

Use Cases

Address autocomplete API is a highly useful tool that works across multiple industries. Some of the most well-known use cases are:

eCommerce

In e-commerce, address autocomplete speeds up the checkout process and reduces cart abandonment. This occurs because the API minimizes typing effort and errors. Customers get real-time suggestions as they enter their shipping details, improving the likelihood of successful delivery. For example, when a user starts typing “123 Main St”, the API suggests “123 Main Street, Springfield, IL 62701” immediately.

Logistics

For logistics and delivery-based services, accurate addresses are key to meeting daily goals. Address autocomplete helps match postal codes to cities and regions to make sure that the right package goes to the correct location. This doesn’t just reduce delivery errors but also supports accurate cost estimation for shipping. Companies using our API reduce rerouting and return shipments, saving time and money in the process.

Travel

Travel platforms use autocomplete to simplify booking forms. Whether it's entering a hotel address or billing details, travelers can complete forms faster and make fewer mistakes. For example, typing just a few letters of a hotel name or city instantly brings up the full address.

Banking

Address autocomplete supports faster KYC (Know Your Customer) processes by helping users input their information quickly. It also reduces errors during onboarding, which is essential for risk assessments and compliance checks. Banks and fintech apps use our address autocomplete API to streamline account creation while maintaining high data quality.

Healthcare

Healthcare providers use address autocomplete to speed up patient intake and ensure record accuracy. When patients fill out forms for appointments or insurance, the API ensures consistent address data. This helps reduce administrative burden and prevents duplicate records.

Frequently Asked Questions

What is Address-Autocomplete?

Address-Autocomplete predicts and suggests complete addresses as users type into a form. It reduces typing effort, speeds up form filling, and improves data accuracy.

How many search and fetch requests do we recommend per autocompleted address?

Based on the collected data on daily autocomplete usage from all of our customers worldwide, we suggest five searches and one fetch per address autocompletion. However, the service is very flexible, and can be configured according to your needs.

Which countries does Address-Autocomplete cover?

We cover all 240+ countries worldwide.

Does Address-Autocomplete replace Address-Validator?

No. Address-Autocomplete can accurately suggest addresses for the user, but it does not check for deliverability. We highly recommend to validate the addresses after they have been autocompleted to ensure 100% deliverability.

Can I customize or restrict the suggestions by country or parameter shown to users?

Yes, the API allows customization such as via the "MatchLevel" parameters. You can configure Address-Autocomplete to just show locality, state, city, street name, etc. Country restriction can be done via the "CountryCode" parameter.

More FAQs ...