PostcoderAllies Computing
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Related Products
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About
Heybounce is an email verification service that offers fast, accurate, and secure email verification.
Its primary goal is to help companies reduce bounce rates and protect their sender reputation.
Bulk email list verification: Upload CSV/XLSX files to validate large email lists. Remove invalid and risky emails, and land in the right inboxes.
API integration: Allows real-time email verification integration to your platform. Catch invalid sign-ups when they happen, verify your lead pages, or integrate wherever emails are collected.
It checks emails for valid syntax, domain existence, SMTP connectivity, and flags risky addresses such as disposables, spam traps, catch-alls, and role-based emails. Heybounce also offers team accounts for collaboration, customizable validation filters to fine-tune which addresses should be allowed or blocked, and flexible pricing for every budget.
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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.
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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
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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
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Audience
Email marketers, SaaS, e-commerce, marketing agencies, sales teams.
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Audience
Organizations wanting a tool to improve their address lookup and form validation processes
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Support
Phone Support
Not Supported
24/7 Live Support
Supported
Online
Supported
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Support
Phone Support
Supported
24/7 Live Support
Supported
Online
Supported
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API
Offers API
Not Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$8 - 1000 Credits
Free Version
Supported
Free Trial
Supported
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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
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Supported
In Person
Not Supported
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Company InformationHeybounce
Founded: 2024
Turkey
www.heybounce.io
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Company InformationAllies Computing
Founded: 1987
United Kingdom
postcoder.com
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Alternatives |
Alternatives |
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Categories |
Categories |
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Email Verification Features
Bulk Email Verification
Supported
Catch-all Server Detection
Supported
Disposable Email Detection
Supported
Domain Check
Supported
Mail Server Validation
Supported
Single Email Verification
Supported
Spam Trap Detection
Supported
Syntax Check
Supported
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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
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Integrations
C#
Not Supported
CSS
Not 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
HTML
Not Supported
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Integrations
C#
Supported
CSS
Supported
Contact Form 7
Supported
Divi
Supported
Elementor
Supported
Formidable Forms
Supported
Forminator
Supported
Gravity Forms
Supported
Gutenberg Technology
Supported
HTML
Supported
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