
Email Verification API | Real-Time Validation for Developers | MailValid
Email verification API with real-time validation via syntax, domain, MX, and SMTP checks.
@sachinbapure · X
The full gallery
Tech stack
60 projects

Email verification API with real-time validation via syntax, domain, MX, and SMTP checks.
@sachinbapure · X

Verify email addresses and check domain health to improve campaign deliverability.
@mailthentic · X

Email inbox integrated with CRM, Slack, and Claude.
thomas_housecat · HN
I got so frustrated with all of the busywork that was building up in my email inbox that I built something better. Housecat is the first email inbox that helps you get real work done. Our email connects to the other services you actually use like your Claude, Notion, Slack, CRM and Github and makes it easy to send messages and data between them. So if you need to update the CRM with a new lead, track a Github issue or ask a question of a colleague in Slack, you can do it all from right inside of

Set up a paid contact link for your bio where visitors deposit money to email you—reply to refund them or keep the fee.
@NicholasalohciN · X
goodfaith — a paid contact link for your bio. strangers pay a deposit to email you. reply and they get it back. ignore them and you keep it. reply = free, silence = pays you. turns "please stop pitching me" into "sure, put money behind it."

Generate personalized cold emails from your company name and description in seconds.
@BObalabi1 · X
Product designer working at the intersection of AI, UX, and product strategy. Portfolio: • • Most client work is under NDA, so sharing a few personal projects that showcase my design and product thinking. Happy to connect 👋

Find verified sales prospects and launch personalized email campaigns based on your ideal customer description.
@buildwitbrandon · X

AI contract reviewer that flags risks and tracks signatures directly from your inbox.
@raeezatameez · X
dropping mine - would love your take!

Warms domains for Google Workspace bulk email senders with verification and tracking.
@MarkZofMarkZ · X
Marketers who email - - still testing it, but I could use some help to validate.

Create email aliases that forward to your inbox, keeping your real address private.
@me_jaythorat · X
lets you create email aliases on a free shared domain or your own custom domain, like [email protected]. Send and receive mail from them without ever leaving your primary mailbox and without revealing your real identity in case where you dont want to share your real email.

AI reads your real estate emails and pushes qualified leads to your CRM.
@otman_heddouch · X
Fielddly reads your inbox with AI, extracts buyer inquiries, invoices, referrals etc, and pushes clean, structured records straight into your CRM.

Generate follow-up emails for unpaid invoices instantly, no signup needed.
@forgeos_ai · X
🚀 First public build. I just launched Forge Invoice — a tiny tool that helps freelancers generate follow-up emails for unpaid invoices. No signup. Free. Copy & send instantly. I'd love your feedback. #buildinpublic #indiehackers

Discover verified influencers for campaigns, send offers, and manage approvals and payments.
@lumorabuild · X