Postcoder Reviews & Product Details

Postcoder is a powerful API that brings fully integrated validation features to your customer onboarding forms, helping you capture accurate customer data while boosting form completion rates. Features include: - Address lookup: Capture addresses 5x faster with zero typos - Bank validation: Verify bank accounts for direct debits and money transfers - Email and mobile validation: Capture valid contact details from your customers - OTP verification: Protect customer accounts with one-time password SMS verification Over 9,000 organisations across the UK and globally trust Postcoder to enhance customer onboarding by improving data quality while reducing friction at critical touchpoints. Postcoder provides everything your business needs: - Enterprise-grade performance - ISO 9001 certified - PCI-DSS and GDPR compliant - Dedicated specialist for onboarding - 24/7 response for critical issues - Free multi-channel support Start capturing clean, verified customer data effortlessly while reducing drop-offs and errors. Add Postcoder to your forms today and transform your onboarding journey.

Product Website

Seller

Allies Computing

Discussions

Postcoder Community

Languages Supported

English

Overview by

Jasmine Robinson Madden

Pricing

Pricing provided by Postcoder.

Free trial

Free Trial

View More Pricing Information

Postcoder Integrations

(1)

Verified by Postcoder

Postcoder Media

Postcoder API returning valid email, mobile number, and address autocomplete.

Admin area on mobile and desktop.

Postcoder Demo - Postcoder rooftop geocoding

Code sample returning rooftop coordinates.

Email validation API javascript sample code from the Postcoder docs.

Mobile validation API javascript sample code from the Postcoder docs.

Postcoder Demo - Address autocomplete API

Address autocomplete API javascript sample code from the Postcoder docs.

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Stephen B.

Technical Lead

Renewables & Environment

Small-Business (50 or fewer emp.)

6/14/2024

"99.99% reliable service, short term caching recommended."

5/5

What do you like best about Postcoder?

Works well, response is fast and in at least 5 years of use I think there has only been 1 issue which prevented postcode lookups from the service.

UI is clear and easy to use, and recently been improved.

There is also an api endpoint which you can connect your moniotoring system to so you can track remaining credits along with your other key system metrics.

Lots of extra info like latitude, longtittude, udprn, etc. Review collected by and hosted on G2.com.

What do you dislike about Postcoder?

1. The json endpoint for monitoring required contacting suport to find out about, after an incident when we ran out of credits. Docs have been updated, it's part of the /status request.

2. When you need to change payment method you have to purchase a new pack and set it up as auto top up, and then delete the original auto top package - rather than just being able to update you card details.

3. Not sure if there is a caching mechanism meaning that if you are not proactive a single user, or bad bit of code, can burn your credits down quite a bit on the same lookup.

4. Some postcodes have more addresses than the max response, another little gotcha. Be sure to check for the paging key which only appears when this is the case! Review collected by and hosted on G2.com.

Response from Jasmine Robinson Madden of Postcoder

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Hi Stephen, thank you for your review and taking the time to share your thoughts. Glad to hear you find the UI easy to use and the response fast, and that you've seen improvement over the last 5 years. We're always working to improve our documentation too, and we take all user feedback into account. I've included a link below to the pagination section of our docs in case anyone else has a similar issue. We are also currently working to simplify the process of updating payment methods - I appreciate it's a current pain point! Many thanks again for your review.

See how Postcoder improved

Chris P.

Technical Director

Small-Business (50 or fewer emp.)

8/27/2024

"Postcoder works well"

4.5/5

What do you like best about Postcoder?

The most important reason to use any address, bank or email checking service is it's reliability in giving you the correct answer. We have found Postcoderweb to be the gold standrad for this.

We needed to integrate Postcoderweb and othere APIs into our Oracle Apex based product (verify-it.co.uk) and found that Postcoderweb made that easy for us to do. Review collected by and hosted on G2.com.

What do you dislike about Postcoder?

Nothing really, everything works well. When we have had issues we get quick answers from their helpdesk. Review collected by and hosted on G2.com.

Response from Jasmine Robinson Madden of Postcoder

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Hi Chris, thanks so much for your review. We're thrilled to hear that Postcoder has been the gold standard for reliability and ease of integration for your product. We also appreciate hearing that our support team were efficient in responding to your issue. Thanks for choosing Postcoder for verify-it.co.uk!

Verified User in Insurance

Small-Business (50 or fewer emp.)

11/7/2024

"Exactly what we needed"

5/5

What do you like best about Postcoder?

Simple to integrate, clean verified addresses, easy to use for our end users. Helpful and quick responses from the support team. Review collected by and hosted on G2.com.

What do you dislike about Postcoder?

Certain datasets like the Eircode directory have limitations as to their trial usage that limits the amount of time development teams can have to integrate and test. There really should be a means to have unlimited development access to data and APIs without credit usage for those that have a production license. Review collected by and hosted on G2.com.

Response from Jasmine Robinson Madden of Postcoder

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We're glad to hear that you find Postcoder simple to integrate and easy to use for your end users. We strive to provide helpful and quick support to all our customers. We do understand your concerns about limitations on trial usage for certain datasets. Some datasets have licensing requirements that prevent us from offering unlimited trial or development usage. We will take your feedback on this into consideration as we continue to improve our services, particularly for users in the development phase. Many thanks for taking the time to leave a review.

Ben B.

IT Manager

Mid-Market (51-1000 emp.)

8/29/2024

"Ideal for API postcode lookups"

5/5

What do you like best about Postcoder?

Had really good customer support. After starting the trial I was contacted to understand our use case but was not pushed for a sale. We didn't need any support as the API documentation was sufficiently detailed. Review collected by and hosted on G2.com.

What do you dislike about Postcoder?

I would prefer a more straightforward per lookup billing to the credit based system. Review collected by and hosted on G2.com.

Response from Jasmine Robinson Madden of Postcoder

edit

Hi Ben, thanks for taking the time to leave a review. We're glad to hear that you had a positive experience with our customer support and found our API documentation helpful. We appreciate your feedback about the credits system, and we will take it into consideration for future improvements.

Verified User in Electrical/Electronic Manufacturing

Small-Business (50 or fewer emp.)

11/7/2024

"Easy to integrate"

5/5

What do you like best about Postcoder?

Very easy to integrate. I intitally used Postcoder for an internal system to speed up address entry. We also use it on our customer service website for service requests. Customer service is great and since its been set up its worked flawlessly. Review collected by and hosted on G2.com.

What do you dislike about Postcoder?

Somtimes I receive higher than normal usage emails, this isn't so much of a problem and good to know if it was extremely high. Review collected by and hosted on G2.com.

Response from Jasmine Robinson Madden of Postcoder

edit

We're glad to hear that you find Postcoder easy to integrate and that it has been working flawlessly for your internal system and customer service website. If you'd like to change the trigger for receiving high usage alert emails this can be done in the Postcoder admin area: click Account Settings > Alerts. Please get in touch with sales@alliescomputing.com if you'd like assistance with this.

Many thanks for taking the time to leave a review.

Verified User in Environmental Services

Small-Business (50 or fewer emp.)

11/27/2024

"Handy little tool which does more than just postcode lookups."

4/5

What do you like best about Postcoder?

Fast lookups, well maintained and up to date. Review collected by and hosted on G2.com.

What do you dislike about Postcoder?

Nothing to say here really, for us it does what it says on the tin. Review collected by and hosted on G2.com.

Response from Jasmine Robinson Madden of Postcoder

edit

Hi, thanks for your comments, we're pleased to hear you find Postcoder useful and are making the most of all the different features - indeed we do offer an IP to geo endpoint - I'll link to the docs below. Sorry to hear you've had issues with autotop-up. We hope to have resolved those recently but if you encounter any more issues please get in touch with out Support team on support@alliescomputing.com who will be happy to help. Many thanks again for taking the time to leave a review.

See how Postcoder improved

Craig F.

Employment Vetting Manager

Small-Business (50 or fewer emp.)

9/4/2024

"Efficiency at it's finest"

5/5

What do you like best about Postcoder?

Very easy to use and easy implement via integration and the response time when using the tool in real world applications is quick, effective and accurate. Customer support is very informative and quick to respond. Review collected by and hosted on G2.com.

What do you dislike about Postcoder?

Nothing, the platform performs perfectly. Review collected by and hosted on G2.com.

Response from Jasmine Robinson Madden of Postcoder

edit

Hi Craig, thanks for taking the time to leave a review. We're delighted to hear that Postcoder is performing perfectly for you and solving the problem of providing accurate postal information for DBS checks. Our team is committed to providing easy integration and fast, effective support. Thank you for choosing Postcoder!

Verified User in Information Technology and Services

Small-Business (50 or fewer emp.)

11/15/2024

"Perfect for UK postcode lookups"

4.5/5

What do you like best about Postcoder?

Easy to use API that's fast and reliable, reasonable pricing. Review collected by and hosted on G2.com.

What do you dislike about Postcoder?

Email alerts for increases in usage can be overzealous (e.g. alert because a site has used 10 lookups in one day instead of the usual 1 or 2 lookups). Review collected by and hosted on G2.com.

Response from Jasmine Robinson Madden of Postcoder

edit

We're very pleased to hear that you find our API easy to use and reliable, and that it has been beneficial for your clients. We appreciate your feedback about the email alerts - we'll take it into account as we refine our notification system.

In the meantime, email alerts can be updated in the Postcoder Admin Area if you wish, follow Account Settings > Alerts to customise the trigger point for receiving high usage alerts. Please get in touch with our Sales team sales@alliescomputing.com if you need assistance with this.

Many thanks for taking the time to leave a review!

Will M.

IT Operations Director

Enterprise (> 1000 emp.)

5/29/2024

"Straightforward and easy to use"

4/5

What do you like best about Postcoder?

The dashboard is a clean dashboard, clearly shows the usage of the credits. Review collected by and hosted on G2.com.

What do you dislike about Postcoder?

The date selection of the usage dashboard is not that intuitive, it took me a couple of goes to work out how to select a start and end date, but that may be just me.

Also, the show all requests drop down seems to be showing all the same requests for each category i.e. if I select adress lookup and then select bank validation, the daily numbers are the same - then the daily numbers are the same for the other categories such as email validation, OTP validation etc. Review collected by and hosted on G2.com.

Response from Garrie Clayton-Flatt of Postcoder

edit

Hi Will, many thanks for your feedback. Your comments really helps us to continually improve our services, so are very much appreciated.

Edit - 31/05/2024: Hi Will, you will be pleased to hear we have now resolved the issue around the usage categories within the admin area. Please do feel free to contact me direct at garrie.clayton-flatt@alliescomputing.com should you wish to discuss this further or if you have any further comments regarding the admin area.

jack c.

Administrator

Maritime

Mid-Market (51-1000 emp.)

9/3/2024

"Easy to use and works very well"

3.5/5

What do you like best about Postcoder?

ease of use and simple layout. the overall system is very good and fits the requirments of our company perfectly Review collected by and hosted on G2.com.

What do you dislike about Postcoder?

can feel a bit limited in options but this is mainly due to the size of our business and teh comparison of what we use to the offers being sold on thewebsite Review collected by and hosted on G2.com.

Response from Jasmine Robinson Madden of Postcoder

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Hi Jack, thanks for taking the time to leave a review. We're glad to hear that you find Postcoder easy to use and that it fits the requirements of your company well. If you'd like to explore additional Postcoder features, feel free to get in touch with our Sales team (sales@alliescomputing.com) who would be delighted to get you up and running.