Sponsor of the Day:
Jerkmate
https://www.zerobounce.net/docs/api-integrations/microsoft-dynamics
Email Validation API Integrations Documentation | ZeroBounce
Optimize your email strategy with ZeroBounce.
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https://www.zerobounce.net/docs/api-integrations/active-campaign
Email Validation API Integrations Documentation | ZeroBounce
Check out ZeroBounce's API integration documentation to bring us to your favorite platforms. Learn how to integrate with Cloudflare, Drip, HubSpot, and more.
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https://www.zerobounce.net/docs/api-integrations
Email Validation API Integrations Documentation | ZeroBounce
Check out ZeroBounce's API integration documentation to bring us to your favorite platforms. Learn how to integrate with Cloudflare, Drip, HubSpot, and more.
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https://www.mailgun.com/resources/videos/email-verification-api/
How To Use Mailgun’s email validation API - Transactional Email API Service For Developers | Mailgun
Mar 19, 2026 - Mike, our Solutions Engineer, gives you a breakdown on how to use Mailgun's email validation API.
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https://www.iban.com/bic-validation-api
BIC Validation API
BIC Validation API developer documentation and product information.
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https://numlookupapi.com/
Phone Number Lookup & Validation API | Numlookupapi.com
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https://www.zerobounce.net/docs/api-dashboard
Email Validation API Dashboard Documentation | ZeroBounce
Optimize your email strategy with ZeroBounce.
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https://www.twilio.com/en-us/products/email-api/email-address-validation-api
Email Address Validation API | Twilio
Stop email bounces at the source. Our Email Address Validation API uses machine learning to detect invalid, disposable, and mistyped addresses in real-time.
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https://app.1lookup.io/login
Login - 1Lookup Phone Validation API & Email Verification Platform 2025
Login to your 1Lookup account to access enterprise-grade phone validation API and email verification services. Secure authentication for data validation...
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https://debounce.com/solutions/api/
Email Validation API - DeBounce
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https://vatcheckapi.com/
VAT Lookup & Validation API | Vatcheckapi.com
Vatcheckapi is a free VAT lookup API. It provides a well designed REST-API that returns all data in JSON-format.
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https://it.iban.com/bic-validation-api
BIC Validation API
Documentazione BIC Validation API per sviluppatori e informazioni sul prodotto.
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https://demo.lookuptax.com/
LookupTax - Tax ID Validation API
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https://www.zerobounce.net/integration-partners
ZeroBounce Integration Partner Program | Email Validation API
Join the ZeroBounce Integration Partner Program to enhance your SaaS, CRM, or e-commerce platform with real-time email validation and deliverability tools.
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https://www.mailgun.com/features/email-validation-api/
Email Validation API Services - Transactional Email API Service For Developers | Mailgun
Nov 14, 2025 - Embed our email validation API into your site, form, or application to automatically verify all incoming addresses at collection.
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https://www.zerobounce.net/docs/api-integrations/unbounce
Email Validation API Integrations Documentation | ZeroBounce
Optimize your email strategy with ZeroBounce.
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https://www.mailboxvalidator.com/
Email Validation API - Verify Email Address | MailboxValidator
MailboxValidator email validation clean email lists and reduces bounce. It connects to the mail server and checks whether the mailbox exists or not.
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https://check-mail.org/
Free email address validation API service, block disposable email
Check-Mail is a free API service to validate email addresses, to check if an email is valid or disposable. The API combines blacklists with advanced heuristics...
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https://www.antideo.com/phone-number-validation/
Real And Free Phone Number Validation API - Antideo
Phone Number Validation API for Invalid Phone Numbers Run a wide range of both national and international numbers worldwide through our Phone Validation AP
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https://www.iban.com/sortware-api-v3
Sort Code and Account Number Validation API v3
Sort Code and Account Number Validation API v3
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https://www.iban.com/validation-api
IBAN Validation (IBAN Checker) API Documentation
Developer documentation for integrating the IBAN Suite ( IBAN Validation ) API in remote systems.
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https://www.iban.com/sortware-api
SortWare: UK Bank Account Validation Service REST API Documentation
A specialized sortcode and account number payment validation service for the UK and Ireland
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https://fr.iban.com/validation-api
Validation IBAN (IBAN Checker) Documentation API
Documentation développeur pour l'intégration de l'API IBAN Suite (IBAN Validation) dans un système distant.
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https://www.zip-codes.com/
U.S. & Canada Postal Code Data: API, Database & Address Validation | ZIP-Codes.com
USPS and Canada Post licensed postal code data. REST API and downloadable databases for U.S. ZIP Codes, Canadian Postal Codes, ZIP+4, and boundary data....
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https://www.falconebiz.com/cms/disclaimer.html
Disclaimer | Falcon Ebiz Pvt Ltd | GST/Company API | Verification | Validation | Corporate Directory
Disclaimer - Some of our services include Pincode Wise Companies, Newly Registered Companies, Company Watchlist, Gold Membership, CIN Master Data API, DIN...
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https://www.mailgun.com/blog/deliverability/why-email-verification-is-vital-for-your-inbox/
Use email validation with Mailgun’s email validation tool - Transactional Email API Service For...
Aug 4, 2025 - Why should you use email validation in your inbox? Learn about its many benefits and how Mailgun’s email validation tool can help you get sending today.
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https://api-platform.com/docs/admin/validation/
API Platform | Validation
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https://www.team-cymru.com/mhr
Malware Hash Registry API | Free Malware Validation Tool
The Malware Hash Registry API supports advanced malware detection by validating file hashes against trusted global intelligence sources.
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https://www.countermetrics.org/openapi-validation/
Guest post: COUNTER API (sushi) validation - COUNTER Metrics
Jan 20, 2025 - Learn how to use a simple Python script to validate a response from a COUNTER API (sushi) server with the OpenAPI specification.
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https://de.iban.com/validation-api
IBAN Validation (IBAN Checker) API Dokumentation
Entwicklerdokumentation zur Integration der IBAN Suite ('IBAN Validation') API in Remote Systemen
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https://www.mailgun.com/fr/produits/validate/
Validation des listes de contacts - Transactional Email API Service For Developers | Mailgun
Mailgun Validate supprime les adresses email invalides et à haut risque des listes afin de protéger la réputation d’expéditeur et stimuler l’engagement. En...
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https://developer.mozilla.org/en-US/docs/Web/HTML/Guides/Constraint_validation
Using HTML form validation and the Constraint Validation API - HTML | MDN
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https://numverify.com/
Numverify API | Numverify API | Phone Number Validation & Phone Lookup API
Numverify API is a powerful JSON API providing international and national phone number validation, carrier, location, and line type lookup for developers.
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https://www.mailgun.com/fr/fonctionnalites/validation-liste-email/
Validation de liste de contacts - Transactional Email API Service For Developers | Mailgun
Nov 14, 2025 - Validez par liste ou par adresse pour vous assurer que tous les contacts ont été vérifiés. Mailgun Validate est l’outil de validation le plus efficace et le...
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https://yeb.to/tool/mail-checker
Mail Checker API — Email Validation & Deliverability | YEB
Fast, accurate email validation and deliverability checks using multi-step DNS, MX and heuristic analysis. Catch typos, disposable addresses and invalid...
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https://www.mailgun.com/resources/videos/email-verification-101/
Email Validation 101: The Hidden Risks Of Sending To Old Lists - Transactional Email API Service...
Jan 29, 2026 - Getting your email messages to your audience starts with a clean email list. But what exactly should you be checking for and how can email validation help?
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https://ainavtool.com/sites/9213.html
1Lookup官网 - Data Validation Software / API | 六耳AI工具中文导航站
Data Validation Software / API
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https://www.mailgun.com/resources/videos/email-verification-101-2/
Email Validation 101: Prevent User Errors On Sign Up Forms - Transactional Email API Service For...
Jan 29, 2026 - Keeping your distro list clean starts at the source of your customer journey. Even a small typo can affect the quality of the email addresses on your list.
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https://www.falconebiz.com/cms/contact_us.html
Contact Us | Falcon Ebiz Pvt Ltd | GST/Company API | Verification | Validation | Corporate Directory
Contact Us - Some of our services include Pincode Wise Companies, Newly Registered Companies, Company Watchlist, Gold Membership, CIN Master Data API, DIN...
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