Postcoder

Postcoder

Allies Computing
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About

Postcoder is an API from Allies Computing that gives developers a single endpoint for verifying and validating customer contact data at the point of entry. Used across sectors from healthcare to retail, it's built to drop into checkout, onboarding, and account creation flows with minimal friction. What's included: Address lookup – Postcode, partial address, or coordinate-based search across Royal Mail PAF, Ordnance Survey AddressBase, and 249 countries worldwide. Bank validation – Real-time sort code and account number verification, with branch data and direct debit eligibility returned in the response. Email validation – Domain and formatting checks with disposable address detection. Mobile validation – Live network status checks across 200+ countries. OTP verification – SMS-based one-time password delivery. Clear documentation, multi-language sample code, and a straightforward REST structure mean integration is quick. 30 day free trial with no credit card required.

About

Email validation and verification for mailing lists and forms is effective safe necessary Identify and remove: invalid, disposable, and spamtrap email addresses. Validation of email lists Remove invalid and harmful email addresses (such as spamtraps) and improve your deliverability. Have your email lists clean and free of invalid email addresses that harm your email marketing reputation and sales. With just an upload, quickly verify your emails on our platform. Rank your email addresses as valid, invalid, disposable, spamtraps ,and more. Download your reports directly through SafetyMails or use one of our integrations. Real-time email validation API Check emails typed in your forms and avoid invalid and harmful email addresses in your sales leads. When someone types an email address in a form protected by our API, it takes only a few seconds to know whether the email is valid or invalid. It's quick and easy to install SafetyMails' API.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Organizations wanting a tool to improve their address lookup and form validation processes

Audience

For email marketers looking for a system for validating emails and an API for protecting registration forms

Support

Phone Support Supported
24/7 Live Support Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

£27 per 500 credits
Start with a free trial, then pay-as-you-go or pay monthly. Credit packs start at £27, and monthly plans start at £45. Volume discounts and charity/public sector pricing available.
Free Version Not Supported
Free Trial Supported

Pricing

$8.24 per user, one-time payment
Free Version Not Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

Allies Computing
Founded: 1987
United Kingdom
postcoder.com

Company Information

SafetyMails
Founded: 2015
Brazil
www.safetymails.com

Alternatives

Postcodes.io

Postcodes.io

Ideal Postcodes

Alternatives

SafeToSend

SafeToSend

AtData
EmailOversight

EmailOversight

5.0 out of 5 stars

Categories

Categories

Email Verification Supported

Address Verification Features

Address Validation Supported
Autocomplete Supported
Automatic Formatting Supported
Data Cleansing Supported
Data Discovery Not Supported
Data Quality Control Not Supported
Data Verification Supported
Geographic Maps Not Supported
Geolocation Supported
Metadata Management Supported
Reporting / Analytics Supported
Search / Filter Supported

Email Verification Features

Bulk Email Verification Supported
Catch-all Server Detection Supported
Disposable Email Detection Supported
Domain Check Supported
Mail Server Validation Not Supported
Single Email Verification Supported
Spam Trap Detection Supported
Syntax Check Supported

Integrations

C# Supported
Constant Contact Lead Gen & CRM Not Supported
Contact Form 7 Supported
Divi Supported
Elementor Supported
Formidable Forms Supported
Forminator Supported
Gravity Forms Supported
Gutenberg Technology Supported
Instapage Not Supported
JavaScript Supported
Keap Not Supported
Landingi Not Supported
Mailchimp Not Supported
Ninja Forms Supported
PHP Supported
Python Supported
SendGrid Not Supported
Unbounce Not Supported
Wix Supported

Integrations

C# Not Supported
Constant Contact Lead Gen & CRM Supported
Contact Form 7 Not Supported
Divi Not Supported
Elementor Not Supported
Formidable Forms Not Supported
Forminator Not Supported
Gravity Forms Not Supported
Gutenberg Technology Not Supported
Instapage Supported
JavaScript Not Supported
Keap Supported
Landingi Supported
Mailchimp Supported
Ninja Forms Not Supported
PHP Not Supported
Python Not Supported
SendGrid Supported
Unbounce Supported
Wix Not Supported
Claim Postcoder and update features and information
Claim Postcoder and update features and information
Claim SafetyMails and update features and information
Claim SafetyMails and update features and information