Email API - Deliver Fast, Reliable Emails
Power transactional and marketing emails with UIB’s Email API. Build reliable email flows into your app or product from sign-up confirmations and password resets to newsletters and receipts.
Transactional and conversational email that shares one memory with chat.
- Send and receive through one UnificationEngine® API
- AI replies from Unified AI®, with people in the loop
- One conversation history across every channel
- Fully white-label, or self-serve with pay-as-you-go pricing
Building reliable email APIs with UIB
UIB’s Email API empowers your business to send emails that land directly in your customers’ inboxes - quickly, securely, and reliably. Designed for developers and businesses, our API offers full programmability, allowing you to customize and automate email workflows at scale.
Transactional Email at Scale
- — Send confirmation emails, password resets, invoices, OTPs, and alerts
- — Built for speed with near-instant delivery
Omnichannel Integration
- — Track opens, clicks, unsubscribes, and email failures instantly
- — Connect email flows to your product, CRM, or customer lifecycle
- — Access live data on call duration, drop-offs, and engagement
Deliverability & Reputation Management
- — Enjoy high inbox rates with domain authentication (SPF, DKIM, DMARC)
- — Monitor bounces, complaints, and reputation in real time
- — Send millions of emails across regions with redundancy and failover
Dynamic Personalization & Templates
- — Use merge fields and conditional logic for personalized emails
- — Create and manage HTML templates with ease
How UIB's Email API Works for Your Business
- 1
Authenticate Your Domain
Ensure emails land in inboxes, not spam
- 2
Build & Send with the API
Trigger transactional or campaign emails from any app
- 3
Track Performance
Monitor real-time metrics like opens, clicks, and unsubscribes
- 4
Optimize & Scale
Use feedback to improve deliverability and engagement
One API for Email and every other channel.
The same UnificationEngine® call reaches every channel, with Unified AI® replies and one shared conversation history.
uib.messages.send({
channel: "email",
to: "ana@brand.com",
thread: conv.id
})