Add-ons & Integrations
Extend Email Validator into the tools you already use. WordPress plugin, Zapier integration, developer SDKs, and more.
WordPress Plugin
Real-time email validation directly inside WordPress. Connect your API key and start validating emails on registration forms, contact forms, comments, and WooCommerce checkout.
- Automatic real-time validation on form submission
- Supported: CF7, WPForms, Gravity Forms, WooCommerce, Ninja Forms, Fluent Forms — 12 total
- Block disposable & invalid emails at registration
- Bulk validate from WP Admin (CSV/TXT, up to 5,000 emails)
- Dashboard widget: live credit balance & verification stats
- Validation logs with email, status, date
- Graceful degradation — forms never break, even with zero credits
REST API
Integrate email verification into any application or platform using our REST API. Simple JSON endpoints with API key authentication.
- POST /api/v1/verify — validate email
- GET /api/v1/account — plan, credits, status
- GET /api/v1/credits — fast credit check
- X-API-Key header authentication
- Rate-limited & credit-tracked
Zapier Integration
Connect Email Validator to 2,000+ apps without code. Automatically validate emails when new contacts are added to Mailchimp, HubSpot, Salesforce, Google Sheets, and more.
- New Contact → Validate Email (auto)
- Triggers: new subscriber, new lead, new form entry
- Actions: validate, tag, filter, block
- Connect to Mailchimp, HubSpot, ActiveCampaign, and more
- Zero-code setup — just connect and go
Google Sheets Add-on
Validate emails directly in Google Sheets. One-click bulk verification of entire columns. Perfect for teams managing email lists in spreadsheets.
- Validate entire column with one click
- Real-time status: valid, invalid, risky, disposable
- Color-coded results written next to data
- Sidebar with live credit balance & plan info
- Automatic credit tracking & rate limiting
- Google Apps Script — no external dependencies
Mailchimp Integration
Connect your Mailchimp account, import audiences, and validate every email. Results written as merge tags. Auto-validate new subscribers via webhook.
- Connect with Mailchimp API key
- Bulk validate entire audiences
- Merge tags: EV_STATUS, EV_CONFIDENCE, EV_RESPONSE
- Real-time webhook auto-validation for new subscribers
- Segment lists by validation status
HubSpot Integration
Connect HubSpot CRM, import static lists, and validate every contact. Results sync to contact properties for segmentation and workflows.
- Private App token connection
- Bulk validate static lists
- Properties: ev_status, ev_confidence, ev_response
- Auto-creates EV properties in HubSpot
- Segment contacts by validation status
PHP Library
Composer package for PHP applications. Type-safe API client with async support, caching, and Laravel integration.
- composer require nsoftware/email-validator-php
- Type-safe DTOs (VerificationResult, AccountInfo, CreditInfo)
- Async support via Guzzle Promises
- PSR-6 caching (Symfony Cache, Redis, APCu)
- Laravel auto-discovery: service provider + facade
Python Library
pip-installable Python client with sync/async support, Pydantic models, and Pandas DataFrame integration.
- pip install email-validator-client
- Sync (requests) + async (httpx) support
- Pydantic-typed responses
- Pandas DataFrame helpers
Browser Extension
One-click email verification from Chrome and Firefox. Auto-highlight emails on any page.
- Chrome & Firefox support (Manifest V3)
- Auto-highlight emails on any webpage
- Color-coded validation results
- Optional auto-scan on page load
CLI Tool
Command-line email verification for DevOps and automation. Pipe lists, export JSON/CSV. Zero dependencies.
- pip install email-validator-cli
- cat list.txt | email-validator verify --stdin
- JSON, CSV, JSONL, table output formats
- Auto-detect: JSONL when piped, table for terminal
- CI/CD ready (GitHub Actions, Docker, cron)
Development Roadmap
Priorities based on market demand and technical feasibility
| # | Integration | Status | Coverage |
|---|---|---|---|
| 1 | WordPress Plugin | Available | 43% of all websites |
| 2 | Zapier | Available | 2,000+ apps |
| 3 | Google Sheets Add-on | Available | 2B+ Google Workspace users |
| 4 | Mailchimp | Available | Email marketing + automation |
| 5 | PHP Library | Available | Composer package |
| 6 | Python Library | Available | pip package |
| 7 | Browser Extension | Available | Chrome + Firefox |
| 8 | CLI Tool | Available | pip install |
Need a custom integration?
Our REST API works with any platform. Need a dedicated connector for your stack? We build custom integrations.
Contact Support