Technical Deep Dive Articles

2 articles in this category

Product Update: Better Bulk Verification UX, More Honest Async Progress, and a Modern MCP Connection Model

Mar 13, 2026

A deep look at the latest BillionVerify updates: a cleaner bulk verification flow, more accurate async job progress, stronger backend status semantics, and a major MCP shift from legacy API-key URLs to remote OAuth.

#email-verification-api #Billionverify #async-email-verification #bulk-email-verification #email-verification #api-integration

Developer Guide Technical Deep Dive Email Verification

SMTP Email Verification: Complete Guide

Dec 9, 2025

Master SMTP email verification. Learn how to verify emails without sending using SMTP handshake, RCPT TO commands, and best practices.

#verify-email-without-sending #smtp-email-verification #email-validator #smtp-verification #mail-server-verification #email-verification

Email Verification Insights

Start Verifying Today

Start verifying emails with BillionVerify today. Get 100 free credits when you sign up - no credit card required. Join thousands of businesses improving their email marketing ROI with accurate email verification.

Start Verifying Emails

99.9% SMTP-level accuracyReal-time API & bulk verificationStart in 30 seconds