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Description
Email-Validation.org provides an online email verification solution tailored for businesses, marketers, and developers. This platform offers the ability to verify individual email addresses via a REST API, and also supports bulk list uploads through its dashboard and API, returning detailed statuses and explanations to assist users in distinguishing between valid, invalid, risky, and unresolved addresses before utilizing a mailing list. Additionally, the service features a credit-based payment system, webhooks, a JavaScript/TypeScript SDK, and compatibility with a remote Model Context Protocol server for those using AI clients. Users have the capability to validate individual addresses, execute bulk verification tasks, review results, and manage their credits efficiently. Unlike traditional subscription models, credits can be acquired in one-time packs; each credit is applicable to one email address, while unresolved results incur no charges, and purchased credits remain active for a duration of 24 months. New users are eligible to receive up to 500 complimentary credits upon signing up, depending on eligibility criteria. This service is designed primarily to enhance the hygiene of business email lists and streamline application workflows, ensuring that users maintain high standards in their email communications. By employing this verification tool, businesses can significantly reduce bounce rates and improve the overall effectiveness of their email marketing campaigns.
Description
Postcoder is a global address verification and customer data validation API used by over 10,000 organisations worldwide. Built by Allies Computing, Postcoder helps businesses capture clean, accurate customer data at the point of entry, reducing errors, cutting failed deliveries, and speeding up checkout and onboarding flows.
Postcoder's address lookup API lets users find verified addresses instantly using postcode lookup or address autocomplete. Look up addresses based on a postcode, part of an address or a coordinate position. Postcoder provides access to Royal Mail PAF and Multiple Residence addresses, Ordnance Survey AddressBase property records and international addresses in 249 countries.
Beyond address verification, Postcoder offers a full suite of contact data validation tools in a single API integration.
Bank account validation checks sort codes and account numbers in real time, confirming validity, returning branch details, and verifying direct debit eligibility - useful for subscription businesses, lenders, and anyone collecting payment mandates.
Email validation checks formatting, domain validity, and flags disposable or high-risk addresses to keep CRM data clean and improve deliverability.
Mobile number validation checks whether a number is active and connected across 200+ countries, helping reduce wasted SMS spend and improve contact rates.
For added security, Postcoder also offers OTP verification, delivering one-time passwords via SMS to protect customer accounts at sign-up, login, or checkout.
Developers appreciate the comprehensive documentation and sample code, and a 30-day free trial means teams can get up and running in minutes without a credit card.
API Access
Has API
Yes
API Access
Has API
Yes
Screenshots View All
No images available
Integrations
C#
No
CSS
No
ChatGPT
Yes
Claude Duet
Yes
Claude for Legal
Yes
Cursor
Yes
Divi
No
Formidable Forms
No
Forminator
No
Google Sheets
Yes
Integrations
C#
Yes
CSS
Yes
ChatGPT
No
Claude Duet
No
Claude for Legal
No
Cursor
No
Divi
Yes
Formidable Forms
Yes
Forminator
Yes
Google Sheets
No
Pricing Details
$35 one-time
Credit packs are one-time purchases in USD, starting at $35 for 10,000 credits and ranging up to $450 for 1,000,000 credits. Each credit checks one address. Unresolved results, API errors, and malformed addresses are not charged. Credits remain valid for 24 months. New accounts can receive up to 500 free credits; signups using a free email provider or personal mailbox may receive 100. The first three payments earn a 15% bonus in credits. Prices exclude applicable taxes, and the packs are not recurring subscriptions.
Free Trial
No
Free Version
Yes
Pricing Details
£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 Trial
Yes
Free Version
No
Deployment
Web-Based
Yes
On-Premises
No
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
No
Linux
No
Chromebook
No
Deployment
Web-Based
Yes
On-Premises
No
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
No
Linux
No
Chromebook
No
Customer Support
Business Hours
Yes
Live Rep (24/7)
No
Online Support
Yes
Customer Support
Business Hours
Yes
Live Rep (24/7)
Yes
Online Support
Yes
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
No
In Person
No
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
Yes
In Person
No
Vendor Details
Company Name
Email Validation LLC
Founded
2026
Country
United States
Website
email-validation.org
Vendor Details
Company Name
Allies Computing
Founded
1987
Country
United Kingdom
Website
postcoder.com
Product Features
Email Verification
Bulk Email Verification
No
Catch-all Server Detection
No
Disposable Email Detection
No
Domain Check
No
Mail Server Validation
No
Single Email Verification
No
Spam Trap Detection
No
Syntax Check
No
Product Features
Address Verification
Address Validation
Yes
Autocomplete
Yes
Automatic Formatting
Yes
Data Cleansing
Yes
Data Discovery
No
Data Quality Control
No
Data Verification
Yes
Geographic Maps
No
Geolocation
Yes
Metadata Management
Yes
Reporting / Analytics
Yes
Search / Filter
Yes