Geocoding Postcode API UK

A developer‑friendly UK address API that delivers precise address results using trusted UK postal data.

Smart Address Solutions With a UK Postcode Lookup API

Flexible plans built for growing developers

Accurate address data refreshed every day

Friendly technical support available 24/7

High availability you can rely on

Trusted By Leading Global Companies

★★★★★ 4.8 rating from 1,863 developers

Get Live with the GoAddress API Fast in Minutes

Quick API Integration

Connect easily using clean endpoints, clear docs, and ready examples.

Postcode and Address Search

Fetch precise UK data with our UK address lookup API for full or partial inputs.

Production-Ready by Design

Ideal for checkouts, onboarding flows, CRMs, and internal systems.

Secure, Stable Access

API key authentication backed by reliable uptime and performance.

Get Complete Details of Any IP Address with GoAddress

Postcode Lookup

Instantly retrieve all addresses linked to a UK postcode.

Regularly Updated Data

Search by Address

Find addresses using full or partial address text.

Continuously Refreshed

Multiple Address Results

Receive all relevant address records for a single postcode.

Always up to date

Structured Address Data

Clean, structured fields ready for forms and databases.

Consistent Formatting

Fast API Response

Optimized for low latency and reliable performance.

High Availability

Secure API Access

Access the API securely using unique API keys.

Protected Authentication

Get Your Free GoAddress API Key

4.8 rated by developers worldwide

No credit card required

Track, Target, and Serve Globally

Salesforce
AWS
Zapier
GCP
Hubspot
Azure

Pricing That Grows With You

Choose monthly or yearly plans and save 20% yearly.

Monthly Yearly
20% off
Free Trial

£0

  • Key Features
  • 50 Full Address Look-ups per day
  • Basic Support
  • Allowed on multiple sites and applications
200/day

£68 / year

  • Key Features
  • 200 Full Address Look-ups per day
  • Priority Email Support
  • Allowed on multiple sites and applications
500/day

£117 / year

  • Key Features
  • 500 Full Address Look-ups per day
  • Priority Email Support
  • API Access
  • Allowed on multiple sites and applications
1000/day

£194 / year

  • Key Features
  • 1,000 Full Address Look-ups per day
  • Priority Support
  • API Access
  • Allowed on multiple sites and applications
2000/day

£239 / year

  • Key Features
  • 2,000 Full Address Look-ups per day
  • Priority Email Support
  • API Access
  • Allowed on multiple sites and applications
2500/day

£270 / year

  • Key Features
  • 2,500 Full Address Look-ups per day
  • Dedicated Support
  • API Access + Webhooks
  • Allowed on multiple sites and applications
5000/day

£389 / year

  • Key Features
  • 5,000 Full Address Look-ups per day
  • Dedicated Support
  • API Access + Webhooks
  • Allowed on multiple sites and applications
10,000/day

£778 / year

  • Key Features
  • 10,000 Full Address Look-ups per day
  • Dedicated Support
  • API Access + Webhooks
  • Allowed on multiple sites and applications
15,000/day

£1166 / year

  • Key Features
  • 15,000 Full Address Look-ups per day
  • Dedicated Account Manager
  • Custom Integration Support
  • 99.9% Uptime SLA
  • Allowed on multiple sites and applications
20,000/day

£1555 / year

  • Key Features
  • 20,000 Full Address Look-ups per day
  • Dedicated Account Manager
  • Custom Integration + Training
  • 99.9% Uptime SLA
  • Allowed on multiple sites and applications
30,000/day

£2333 / year

  • Key Features
  • 30,000 Full Address Look-ups per day
  • Enterprise Support
  • Custom Rate Limits
  • Onboarding & Training
  • Allowed on multiple sites and applications

Enterprise Confidence

GoAddress is designed with security, compliance, and reliability at its foundation. That’s why companies, governments, and organizations across critical sectors like finance, healthcare, and aviation rely on us.
99.99% uptime guarantee
Single sign-on support
24/7 technical help
Guided onboarding
Dedicated account manager
SOC 2 Type II and GDPR compliant
SOC 2 Type II & GDPR compliant

Frequently Asked Questions

Every time the API returns valid address data, it counts as one lookup. Requests that fail or return no results are not included in your usage limit.

Address records are refreshed frequently to reflect the latest changes. Updates are made on a regular schedule to keep results accurate and current.

GoAddress uses verified UK address datasets combined with ongoing validation checks to ensure consistency, accuracy, and reliability.

Not at all. The API is designed to be simple to use, with clear documentation and examples. Most developers can integrate it in just a few minutes.

Yes. You can use the same API key across different websites or applications, as long as your total usage stays within your plan limits.

Yes. You can start with a free plan to explore the API, test integrations, and understand how it fits your workflow before upgrading.

Yes. You’re free to cancel, upgrade, or downgrade your plan whenever you need. Your access continues until the current billing period ends.

Basic support includes standard email assistance. Priority support offers faster replies and direct access to technical experts for urgent or complex issues.

Yes. You can save or cache address data for use within your application, provided it aligns with our usage and licensing guidelines.

All payments are handled through secure, encrypted payment gateways. Your card information is never stored on our servers.

Yes. Bank transfers are available for annual and enterprise subscriptions. Our team can help you set this up.