Send, track, and manage emails with our powerful SMTP and HTTP Email API — engineered for deliverability, scale, and speed.
SendPost Email API simplifies transactional and marketing email delivery. Built for developers, trusted by growth teams.
Use your preferred method — whether it's SMTP for quick plug-and-play or HTTP API for full programmatic control.
Emails land in the inbox — not spam. SendPost handles IP warming, sender reputation, and feedback loops.
Built to handle millions of emails daily with enterprise-grade security protocols.
Start sending within minutes. Integrate using our SMTP or REST API, monitor performance, and scale confidently.
Create an account, grab your SMTP or API keys from the dashboard — you're ready to send.
Use our HTTP endpoints or plug into SMTP settings. We support Node.js, Python, PHP, Ruby, Java, and more.
Track opens, clicks, bounces, and deliverability — all in real time via our dashboard and webhooks.
Everything you need to know about SendX and email marketing
Yes, SendPost supports SMTP relay. You can connect your email client or app using the provided SMTP credentials.
Any language that can make HTTP requests — including Node.js, Python, PHP, Ruby, Java, and Go — works with the SendPost Email API.
Absolutely. Our dashboard gives you real-time insights into email delivery, opens, clicks, bounces, and unsubscribes.
Absolutely. SendPost is designed for developers. We offer a robust Email API, SMTP relay service, and SDKs in over 14 programming languages. Additionally, our Email Webhooks allow you to receive real-time event data directly in your application for seamless integration and workflow automation.
Yes, we offer a very generous free forever plan that includes up to 25,000 free emails every month. This plan is designed to give you the freedom to build, test, and fully integrate SendPost into your application without any cost or commitment. No credit card is required to sign up.
Still have questions? We're here to help.
Join thousands of developers and businesses who trust SendPost's powerful API and infrastructure to deliver their most important emails.
Get instant alerts and automate incident tracking to maintain high inbox rates and protect your sender reputation.
Resolve inboxing issues fast with incident tracking, root cause analysis, and historical resolution logs.
Measure, monitor, and fix deliverability issues with real-time insights from every email stream, IP, or ISP.
Uncover exactly what happened to your emails — with full transparency, search, and retention for up to a year.
Track every email event as it happens and automate your business logic effortlessly with real-time webhooks.
Automate IP warmups, throttle intelligently, and route traffic smartly — all designed for inbox success at scale.