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Address-Autocomplete – Optimize Checkout Conversions.

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

How Address-Autocomplete helps to optimize user experience and reduces conversion friction

eCommpay

Excessive form filling is the biggest and most notorious problem for eCommerce checkout pages.

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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 business or operate logistics across borders, our global coverage keeps your data up-to-date and accurate.

Sub-Building Level Accuracy

The API provides suggestions down to the sub-building level in many locations. That means users can find apartment numbers, office suites, or unit numbers as they type. This level of precision helps reduce failed deliveries and makes sure each and every delivery reaches the exact right door.

Highly Customizable Search

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

This flexibility makes the Address Autocomplete API useful across a wide range of use cases and industries. Be it short lead gen forms or full checkout pages, the API adapts exactly to your needs.


Error-Free Operations Automated

Streamline workflows and automate processes with our API, ensuring every address in your database is accurate, reducing errors, and saving valuable time.

Boost Checkout Conversion

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

Global Reach, Local Precision

Confidently expand your business with address validations in 240 countries, making every global transaction feel as seamless as a local delivery.

Pinpoint Precision

Utilize rooftop-level geocoding to guarantee every package reaches its exact destination, enhancing delivery success rates and building customer trust.

Flexible Credits That Never Expire

Our credits never expire, allowing you to plan long-term strategies without worrying about losing unused validation opportunities.

Seamless CRM & e-Commerce Integration

Easily integrate address validation into your existing CRM and e-Commerce systems, ensuring comprehensive data integrity.

Benefits of Using Address Autocomplete API

For many businesses, the Address Autocomplete API has already become an integral part of their web and app interfaces. Here are the key benefits:

  • 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
    With 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 User Experience (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 and 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 easier. When users don’t have to worry about remembering their ZIP code, they are more likely to finish the transaction.
    Removing one of the biggest pain points during checkout - manual address entry - reduces the risk of cart abandonment and increases 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.
    The results are less mistakes and fewer delivery issues while streamlining the experience for international customers. Plus, you don’t need to create separate forms for each region.
  • Save 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 spends less time fixing address problems. Over time, this helps protect and increase your profit margins.
  • Increase Trust and Professionalism - Customers notice when a checkout process feels polished. Autocomplete not just adds functionality, it also contributes to the perception of your brand as tech-savvy and customer-focused.
    An optimized checkout process 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.

Address Autocomplete API Use Cases

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

eCommerce

In eCommerce, Address Autocomplete speeds up the checkout process and reduces cart abandonment - 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 and makes sure that all deliveries reach the correct locations.

This doesn’t just reduce delivery errors but also supports accurate cost estimation for shipping. Companies using our API reduce re-routing 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 & Finance

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 by maintaining high data quality.

Healthcare

Healthcare providers use Address Autocomplete to speed up the registration processes and ensure data accuracy. When patients fill out forms for appointments or insurance, the API ensures consistent address data. This helps reduce administrative overhead and prevents duplicate entries.

GDPR compliant

Data Protection Guaranteed

Your data is safe with us. Only you have access to your data. We process and store your data only for the purpose of validation and delete all personally identifiable end-user information within 14 days after the data has been made available to us.

Our Triple Guarantee: Address Validation for Complete Peace of Mind

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30-Day Full Refund Guarantee:
If you're not completely satisfied, we'll refund your purchase in full within 30 days - no questions asked.
Available 24/7/365:
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GDPR - Data Protection Guaranteed:
Data protection is our highest priority. We provide complete GDPR compliance and guarantee the deletion of all personally identifiable information within 14 days.

Address Autocomplete API Documentation

You can find full autocomplete API documentation here.

Address Autocomplete isn’t just a technical upgrade. It’s a business asset. It saves time, prevents errors, improves customer satisfaction, and boosts your bottom line.

Frequently Asked Questions

What is Address-Autocomplete?

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

How many search and fetch requests are required per address?

Based on our statistics, on average five searches and one fetch request are required per address.

Which countries does Address-Autocomplete cover?

We cover 240+ countries worldwide.

Does Address-Autocomplete replace Address-Validator?

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

Can the Auto-Complete API be customized or restricted to specific countries?

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. The search can be limited to specific countries with the "CountryCode" parameter.

More FAQs ...