--- title: Postcoder Reviews meta_title: 'Postcoder Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 61 reviews by the users' company size, role or industry to find out how Postcoder works for a business like yours. aggregate_rating: rating_value: 4.7 review_count: 61 scale: '5' date_modified: '2026-07-22' parent_category: name: IT Infrastructure url: https://www.g2.com/categories/it-infrastructure --- # Postcoder Reviews **Vendor:** Allies Computing **Category:** [Address Verification Tools](https://www.g2.com/categories/address-verification) **Average Rating:** 4.7/5.0 **Total Reviews:** 61 ## About Postcoder Postcoder is an address lookup and customer data verification API developed by Allies Computing. Used by over 10,000 organisations worldwide, Postcoder helps businesses capture and verify customer data at the point of entry by bringing address lookup and autocomplete, bank validation, email validation, mobile validation, and OTP verification together in a single integration. With access to Royal Mail PAF, Multiple Residence data, Ordnance Survey AddressBase property records, and international addresses across 249 countries, Postcoder's address lookup and autocomplete delivers verified results instantly. Users can search by postcode, partial address, or coordinate position, with rooftop-level geocoordinates included for every result. Whether you're running an e-commerce checkout, a delivery workflow, or a customer onboarding journey, the data returned is precise and ready to use. Postcoder offers multiple features in a single API. Bank validation checks sort codes and account numbers in real time, confirms direct debit eligibility, and returns full branch details, making it well suited to lenders, subscription platforms, and businesses collecting payment mandates. Email validation assesses formatting, domain health, and risk signals such as disposable addresses, helping teams protect deliverability and maintain clean CRM records. Mobile validation checks whether a number is live and connected across more than 200 countries, reducing wasted outreach and improving contact rates. OTP verification sends one-time passwords via SMS to authenticate users at sign-up, login, or checkout, with no separate SMS provider required, making it straightforward to add an extra layer of security to any customer-facing journey. Trusted by organisations including NHS, Sky, Rightmove, and KFC, Postcoder is built for teams that take data quality seriously. A 30-day free trial, thorough documentation, and ready-to-use sample code mean developers can be up and running in minutes, no credit card needed. ## Postcoder Pros & Cons **What users like:** - Users find Postcoder's **ease of use** invaluable, simplifying address entry in their busy environments seamlessly. (18 reviews) - Users appreciate the **quick and easy API integration** of Postcoder, simplifying transitions and ensuring efficient functionality. (11 reviews) - Users appreciate the **accuracy** of Postcoder, ensuring reliable address verification and enhanced customer data insights. (7 reviews) - Users praise the **excellent customer support** from Postcoder, always ready to assist with any requests promptly. (7 reviews) - Users appreciate the **easy setup** of Postcoder, which offers a straightforward experience and reliable service. (7 reviews) - Users appreciate the **implementation ease** of Postcoder, praising its straightforward setup and excellent documentation. (7 reviews) - Users value the **reliability** of Postcoder, appreciating its straightforward functionality and quick, accurate address lookup. (7 reviews) - Setup Ease (7 reviews) - Documentation (5 reviews) - Users find **easy integrations** with Postcoder beneficial, enhancing user experience and satisfaction with seamless setup. (5 reviews) **What users dislike:** - Users find Postcoder to be **expensive** compared to competitors, especially for additional data access and features. (5 reviews) - Users face **insufficient information** regarding third-party customer integration and limited data access, complicating their experience. (3 reviews) - Users find the lack of an API for syncing customer data a **major drawback in data management** with Postcoder. (2 reviews) - Users find managing third party identifiers in Postcoder to be a **tedious and manual process** without API support. (2 reviews) - Users find it challenging to perform **admin controls** , particularly with user management and team collaboration. (2 reviews) - Manual Processes (2 reviews) - Users find **pricing issues** frustrating, especially with credit prompts and restricted trial usage affecting development access. (2 reviews) - Access Restrictions (1 reviews) - Users find **account management cumbersome** due to manual processes and challenging billing prompts in Postcoder. (1 reviews) - Users dislike the **credit package model** of Postcoder, preferring a more flexible pay-as-you-go billing cycle. (1 reviews) ## Postcoder Reviews ### 1. Seamless Integration and Great Reliability **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Computer Software | Small-Business (50 or fewer emp.) **Reviewed Date:** March 26, 2024 **What do you like best about Postcoder?** Postcoder is a great tool we've integrated directly into our applications for checking addresses, emails, mobile numbers, and bank details. It's really reliable and easy to use, fitting perfectly into our systems without any hassle. Their customer support is top-notch, always ready to help if we need it, and the price is pretty good too. All in all, Postcoder makes our work a lot smoother and we're really happy with it. **What do you dislike about Postcoder?** I'd say that it's worth noting that accessing additional data for addresses comes at a higher cost. Moreover, the bank verification feature, although useful, is quite basic and may not meet the needs of those seeking more in-depth financial data verification. **What problems is Postcoder solving and how is that benefiting you?** Verifying user entered data which ensures our records are robust and well formatted. **Official Response from Garrie Clayton-Flatt:** > Thank you for the kind review! It is great to hear you have found Postcoder to be reliable and easy to use. It is also lovely to hear you found our customer support top-notch - we are committed to providing an excellent service, so your feedback is much appreciated. ### 2. Very Easy to work with **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Utilities | Small-Business (50 or fewer emp.) **Reviewed Date:** June 03, 2024 **What do you like best about Postcoder?** We sometimes see up to 30,000 postcode look ups in a single day. Automated, alerts when the credit balance needs topping up, view of high levels of activity. Excellent customer service - had an issue recently regarding the auto top-up and was resolved immediately without any fuss. The postcodes lists are regularly updated so we have little negative customer feedback on missing addresses. **What do you dislike about Postcoder?** I only deal directly with Postcoder when something goes wrong, and nothing much does so nothing to write here. Postcode look-ups delievered via APi so very little interaction. **What problems is Postcoder solving and how is that benefiting you?** Makes the customer experience easy and quick, which means fewer customer issues and orders processed promptly. This is particularly important given the often high volume of orders we can receive in a single day. **Official Response from Rachel Potter:** > Hi, thanks for taking the time to review Postcoder and for giving us such a glowing report. We are very glad that our services have been so trouble-free for you and that you are happy with what we offer. ### 3. Everything works well **Rating:** 5.0/5.0 stars **Reviewed by:** Keaton M. | Operations, Small-Business (50 or fewer emp.) **Reviewed Date:** May 28, 2024 **What do you like best about Postcoder?** Works with our system (orderwise). Instant lookup just with the postcoder, so saves time having to get full details from people **What do you dislike about Postcoder?** in our system it seems to only work with UK although perahps it's possible to extend it with better integration **What problems is Postcoder solving and how is that benefiting you?** Saves time and increases accuracy **Official Response from Garrie Clayton-Flatt:** > Hi Keaton, we really appreciate your feedback and are pleased to hear that Postcoder works well with the orderwise system, and that you benefit from the time it saves your users. ### 4. Simple, Straightforward and easy to integrate **Rating:** 5.0/5.0 stars **Reviewed by:** Gary S. | Founder & CEO, Small-Business (50 or fewer emp.) **Reviewed Date:** May 28, 2024 **What do you like best about Postcoder?** Just simple address finding and filling. API integration was very simple **What do you dislike about Postcoder?** There is nothing I dislike with the product **What problems is Postcoder solving and how is that benefiting you?** Ease of use for our customers to enter address information **Official Response from Garrie Clayton-Flatt:** > Hi Gary, thank you for the kind feedback. It is very much appreciated and great to hear. ### 5. Simple to integrate API with consistent results **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Retail | Small-Business (50 or fewer emp.) **Reviewed Date:** July 15, 2024 **What do you like best about Postcoder?** Integration was straight forward with well written documents so implementation was quick. **What do you dislike about Postcoder?** You need to think through options to validate user inputs to minimise lookup costs. **What problems is Postcoder solving and how is that benefiting you?** Consistent nationwide address lookup with additional data fields to support accessing other datasets. **Official Response from Jasmine Robinson Madden:** > Thank you for your review. We're glad to hear that you found our API easy to integrate and that our documentation was helpful. ### 6. The api work but pricing structure could be better **Rating:** 2.5/5.0 stars **Reviewed by:** Verified User in Performing Arts | Small-Business (50 or fewer emp.) **Reviewed Date:** September 04, 2024 **What do you like best about Postcoder?** Support is via email and is quick and reponsive **What do you dislike about Postcoder?** The pricing could be better and I don't like that my credits have only a limited lifetime. As a low volume user I feel this is unfair. **What problems is Postcoder solving and how is that benefiting you?** Just makes it easier to have the correct customer address on file. **Official Response from Jasmine Robinson Madden:** > Hi, thanks for taking the time to share your thoughts. We understand your frustration with the 12 month lifetime of credits, especially as a low volume user. We will take your feedback into account as we evaluate our credit policies. If you'd like to chat to our Sales team to ensure you're on the most cost-effective plan for your usage please get in touch at sales@alliescomputing.com. ### 7. Great service, works flawlessly. **Rating:** 5.0/5.0 stars **Reviewed by:** David M. | Head of Ecommerce, Small-Business (50 or fewer emp.) **Reviewed Date:** May 30, 2024 **What do you like best about Postcoder?** Really simple to use, plug and play with the API, never have any issues with it. Easy to setup and integrate and fantastic customer support. **What do you dislike about Postcoder?** It could be a little cheaper for the amount we are processing each month. **What problems is Postcoder solving and how is that benefiting you?** It quickly fetches the address from the postcode to save the customer typing it out. **Official Response from Jasmine Robinson Madden:** > Hi David, thanks for taking the time to review Postcoder, we're glad to hear you've found Postcoder so simple to use. We're always keen to get our customers on the most cost effective plan for their usage, so feel free to contact our sales team on sales@alliescomputing.com to check you're on the best plan for your usage. ### 8. Improve your user experience of your Apps with Postcoder. **Rating:** 5.0/5.0 stars **Reviewed by:** Hines J. | Software Engineer, Information Technology and Services, Small-Business (50 or fewer emp.) **Reviewed Date:** March 02, 2024 **What do you like best about Postcoder?** After integrating Postcoder API in our apps when a user inputs his/her partial address, its geocoding functionality and mapping services suggest and autocomplete the user's full address which gives a great user experience in the application. **What do you dislike about Postcoder?** Postcoder APIs charges more money than expected because the costing depends on how much we utilise its services. **What problems is Postcoder solving and how is that benefiting you?** Postcoder helps our apps to validate, correct, and enhance address related data using its geocoding and mapping functionality. This is very helpful to avoid errors in entry of addresses by users in the system. **Official Response from Jasmine Robinson Madden:** > Thanks for your review! It's great to hear that Postcoder is helping to improve the accuracy of address data input in your apps. We are committed to providing reliable address validation and geocoding services. We aim to keep our pricing competitive, and our sales team are always happy to ensure you're on the most cost-effective plan for your usage. ### 9. Simple and super **Rating:** 5.0/5.0 stars **Reviewed by:** Dan B. | Enterprise (> 1000 emp.) **Reviewed Date:** February 22, 2024 **What do you like best about Postcoder?** A simple and effective user interface combined with some good prices and excellent customer service. Would highly recommend. **What do you dislike about Postcoder?** Continue to evolve the UI to help with insights on usage and simplicity. Only small things are great platform. **What problems is Postcoder solving and how is that benefiting you?** Allows our users to look up addresses. **Official Response from Jasmine Robinson Madden:** > Hi Dan, we appreciate your feedback and are glad to hear that you find Postcoder simple and effective. We are constantly working on improving our user interface to provide better insights and simplicity. Thank you for your input! ### 10. Fast and efficient with good security **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Internet | Small-Business (50 or fewer emp.) **Reviewed Date:** June 04, 2024 **What do you like best about Postcoder?** The API are extremely fast and there's lots of control to prevent fraud **What do you dislike about Postcoder?** It's a bit expensive but seems to be within industry standard **What problems is Postcoder solving and how is that benefiting you?** Helps users easily find their addresses **Official Response from Jasmine Robinson Madden:** > Thank you for the positive feedback! We're committed to providing a fast and secure API with comprehensive fraud prevention controls. We appreciate your understanding of the pricing, and we aim to deliver a service that brings value to our users. ### 11. Used it for years now **Rating:** 5.0/5.0 stars **Reviewed by:** Stephen B. | Small-Business (50 or fewer emp.) **Reviewed Date:** March 26, 2024 **What do you like best about Postcoder?** Simple, straightforward integration and management. **What do you dislike about Postcoder?** So far I have not encountered any issues. **What problems is Postcoder solving and how is that benefiting you?** We needed of verifying address details for our payment platform. **Official Response from Garrie Clayton-Flatt:** > Hi Stephen, thank you for your review! It is so great to hear that your continued use of Postcoder over a number of years has been positive. - [View Postcoder pricing details and edition comparison](https://www.g2.com/products/postcoder/reviews?page=2§ion=pricing&secure%5Bexpires_at%5D=2026-07-24+21%3A37%3A19+-0500&secure%5Bsession_id%5D=030f93d7-8d56-443a-855e-88484046c315&secure%5Btoken%5D=fb83855e34e6ee165c203531d5c96452acc37464ada4717a341ca41dfd99f15c&format=llm_user) ## Postcoder Integrations - [Divi](https://www.g2.com/products/divi/reviews) - [Elementor](https://www.g2.com/products/elementor/reviews) - [Fluent Forms](https://www.g2.com/products/fluent-forms-fluent-forms/reviews) - [Fluent Forms](https://www.g2.com/products/fluent-forms/reviews) - [Formidable Forms](https://www.g2.com/products/formidable-forms/reviews) - [Gravity Forms](https://www.g2.com/products/gravity-forms/reviews) - [Ninja Forms](https://www.g2.com/products/ninja-forms/reviews) - [Wix](https://www.g2.com/products/wix/reviews) ## Postcoder Features **Reports** - Reports Interface - Steps to Answer - Graphs and Charts - Dashboards **Management** - Scheduled Data Checks - Reporting **Platform Basics - Phone Verification** - Accuracy - Scalability - Security Measures - Reliable Delivery - Customizable Workflows **Analysis** - Distance Analysis - Spatial Analysis **Functionality** - Address Verification - Automation - Cleansing - International Verification **Additional Features - Phone Verification** - Integration Abilities - Compliance with Regulations - Reporting and Analytics **Reporting** - Data Transformation - WYSIWYG Design - API Integrations **Self Service ** - Data Column Filtering - Data Discovery - Search - Collaboration / Workflow **Building Reports** - WYSIWYG Report Design - Integration APIs **Platform** - Mobile User Support - Customization - User, Role, and Access Management - Sandbox / Test Environments - Performance and Reliability - Breadth of Partner Applications ## Top Postcoder Alternatives - [Agentforce Sales (formerly Salesforce Sales Cloud)](https://www.g2.com/products/agentforce-sales-formerly-salesforce-sales-cloud/reviews) - 4.4/5.0 (24,675 reviews) - [Apollo.io](https://www.g2.com/products/apollo-io/reviews) - 4.7/5.0 (9,361 reviews) - [GTM Workspace - Powered by ZoomInfo](https://www.g2.com/products/gtm-workspace-powered-by-zoominfo/reviews) - 4.5/5.0 (8,876 reviews)