April 2026
Official SDKs for Node.js & Python
First-class SDKs for the two most popular languages. Install with npm or pip and start validating in under a minute — typed responses, automatic retries, and zero config.
View Integrations →PHP, Go & Ruby SDKs
Official SDKs for PHP (Composer), Go (go get), and Ruby (gem install). Every SDK follows the same simple interface: initialize with your API key, call verify.
View Integrations →Zapier integration
Connect MailSentry to 6,000+ apps with zero code. Validate emails from form submissions, CRM updates, spreadsheet rows, and more — triggered automatically.
Connect on Zapier →Sandbox / test mode
Test your integration without burning credits. Sandbox mode returns realistic responses for known test addresses so you can build and debug with confidence.
View Docs →3 new validation layers — now 11 in total
Added spam-trap detection (catches known trap patterns), domain age analysis (flags domains under 30 days old), and abuse pattern detection (flags toxic and known-bad senders). Every plan now runs all 11 layers in a single API call.
Accuracy guarantee
We now guarantee ≤3% bounce rate on emails we mark as valid — or your credits back. No fine print, no hoops. If our verdicts cause bounces above 3%, we make it right.
March 2026
8-layer email validation API
Launched MailSentry with syntax, MX, disposable, role-based, free provider, typo, SMTP, and gibberish detection — all in a single API call returning results in under 50ms.
View Docs →Bulk email validation
Validate up to 10,000 emails per batch via CSV upload or paste. Results include per-email verdicts, risk scores, and downloadable reports.
Try Bulk Validation →Email finder tool
Find professional email addresses by entering a person's name and company domain. Uses pattern matching and verification to return high-confidence results.
Try Email Finder →Webhook notifications
Get notified when bulk jobs complete or when your usage hits thresholds. Available on Pro plans and above with HMAC-signed payloads.
Configure Webhooks →Dashboard with analytics & team management
Real-time usage analytics, exportable PDF/CSV reports, API key management, and team member invitations — all from a single dashboard.
Go to Dashboard →5 pricing tiers with extra credit packs
From Free (1,000 checks/mo) to Enterprise (500,000 checks/mo). Need more? Buy one-time credit packs from 1K to 20K checks without changing your plan.
View Pricing →Sub-50ms average validation speed
Optimized the validation pipeline so all 8 layers complete in under 50ms on average. Fast enough to validate in real-time at signup or checkout without adding noticeable latency.