Increase accuracy, reduce failed deliveries, and create a frictionless checkout with the Locatebase address verification API.
Trusted by teams shipping at scale
Validate every address instantly to cut delivery errors and lift customer satisfaction.
A high-speed REST API with a 75ms average response, built to scale with your traffic.
Our team is on hand around the clock for any question or technical need.
Encrypted in transit and handled to industry standards, your data stays protected.
Everything you need
Accurate, reliable address and postcode data that drops straight into your applications.
Validate and autocomplete every UK address against fresh, authoritative data — cutting failed deliveries and checkout friction.
Average request time, fast enough for live checkout.
Resilient infrastructure you can build on.
A single endpoint with comprehensive docs and clean JSON.
SSL encryption keeps every request and response private.
Predictable errors and SDK-friendly responses in any language.
Why Locatebase
Address infrastructure is deceptively hard. Skip the data licensing, uptime and maintenance burden.
Developer experience
One endpoint, clean JSON, and SDK-friendly responses. Send a request and get verified addresses back in milliseconds.
const res = await axios.get('https://api.locatebase.com/find', {
params: { query: 'EC1V 2NX', key: 'YOUR_TOKEN' }
});
console.log(res.data);Use Cases
Locatebase powers postcode and address lookup across customer service, logistics, e-commerce, finance, sales and operations — helping teams integrate seamlessly, delight customers, and run at peak performance.
Enhance customer experience with precise address validation, reducing delivery errors and increasing satisfaction. Improve customer service efficiency by providing real-time postcode lookups, preventing delays, and minimizing failed deliveries. With Locatebase, customer service teams can access reliable address data, enabling seamless interactions and boosting loyalty.
Optimize logistics operations with accurate location data, ensuring timely and efficient deliveries. Avoid costly delivery errors by integrating precise postcode lookup tools for last-mile delivery, route optimization, and real-time tracking. Locatebase empowers logistics teams to reduce operational inefficiencies, lower shipping costs, and achieve faster delivery times.
Boost e-commerce success with reliable address validation that minimizes cart abandonment and delivery issues. Accurate address data ensures smoother transactions and reduces failed deliveries, increasing customer satisfaction. Locatebase supports seamless checkout experiences, enhancing e-commerce platforms with location accuracy, verified shipping addresses, and reduced return rates.
Ensure compliance and accuracy in financial reporting with Locatebase's address validation solutions. Precise postcode lookup helps prevent errors in customer data management, ensuring regulatory compliance, fraud prevention, and risk mitigation. Financial institutions can streamline operations and meet strict compliance requirements with validated address data.
Empower your sales team with verified address data to enhance lead quality and improve conversion rates. Reliable location intelligence ensures that sales teams connect with real prospects, increasing efficiency and focusing on high-potential leads. Locatebase offers robust solutions to help sales teams validate customer information and build stronger, data-driven sales strategies.
Streamline operations with Locatebase address validation and postcode lookup, improving workflow and productivity. Accurate data integration reduces errors, facilitates better data management, and supports operational efficiency. From inventory management to customer data handling, Locatebase helps operations teams maintain seamless, data-driven workflows.
Improve patient data accuracy with reliable address verification, helping healthcare providers manage patient records, schedule appointments, and streamline communications. Locatebase supports healthcare facilities in enhancing patient services with validated location data.
Simplify property searches and enhance listings with accurate location data. Locatebase enables real estate agents and property managers to improve property listings, reduce address errors, and provide accurate data for prospective buyers.
Support student enrollment and data accuracy with validated address information. Locatebase helps educational institutions manage accurate student records, streamline mailings, and reduce administrative errors.
Loved by teams
“We dropped failed deliveries by a third within a month. The autocomplete is fast enough that customers barely notice it working.”
“Integration took an afternoon. Clean JSON, predictable errors, and the response times are genuinely sub-100ms in production.”
“Checkout conversion went up once addresses stopped being a friction point. Support tickets about wrong addresses basically vanished.”
Pricing
Every plan includes a monthly lookup allowance. Go over it and extra lookups are billed automatically at your plan's rate — no surprises, no hard limits.
FAQ
Locatebase is a comprehensive address verification and postcode lookup service that offers accurate and reliable data for your applications.
Our API is designed for easy integration with detailed documentation and support. You can quickly add address verification and postcode lookup to your system with minimal effort.
Currently, Locatebase does not offer a free trial. However, we provide detailed documentation and customer support to help you understand our services before making a commitment.
Our API supports JSON data format for both requests and responses, ensuring compatibility and ease of use with modern web applications.
We prioritize security with SSL certificates to ensure all data communication is encrypted and secure. Our services are designed to comply with the latest security standards.
Yes, Locatebase is built to handle high volumes of requests with a robust infrastructure ensuring fast response times and 99.9% uptime reliability.