Transactional Email Infrastructure for Modern Applications
Send OTPs, password resets, invoices and notifications through one REST API. Then run campaigns, automation and AI-written email from the same platform.
Send from your own verified domain · Free plan available
1
REST endpoint to send transactional email
120/min
request limit per API key
7
signed webhook event types
SES
Amazon SES delivery
The emails your application sends on its own
Triggered by a user action, sent to one person, expected immediately. Send them with one authenticated request, from your own verified domain.
New to this? What transactional email is · API reference by example
Ship transactional and marketing email from your own stack
A REST API that fits into whatever you're already building — with fast integration, scoped keys, and signed webhooks so you can trust every event.
REST API
A documented endpoint for sending transactional email with templates and merge tags.
Verified Senders
Send from your own domain after DKIM/SPF/DMARC verification.
Webhooks
HMAC-signed events for opens, clicks, bounces, and unsubscribes.
Scoped API Keys
Issue keys with exactly the permissions each integration needs.
Inbox placement isn't luck — it's infrastructure
Every domain gets DKIM, SPF, and DMARC configuration, continuous health scoring, and automatic suppression on bounces or complaints.
Domain Verification
Guided setup that walks you through every DNS record you need.
DKIM Signing
Every email is cryptographically signed to prove it came from you.
SPF Alignment
Authorize Inboxili to send on your domain's behalf, correctly.
DMARC Policy
Enforce alignment and get visibility into spoofing attempts.
Bounce Monitoring
Hard bounces are suppressed automatically to protect your sender score.
Complaint Monitoring
Spam complaints are tracked and contacts suppressed in real time.
Built different, on purpose
Most email tools bolt AI onto an old product. Inboxili was designed around it — with the deliverability and infrastructure enterprises actually need.
AI-First Platform
Every surface — writing, subject lines, personalization, spam checks — is backed by AI built into the workflow, not bolted on.
Enterprise Deliverability
Domain verification, DKIM/SPF/DMARC, bounce and complaint monitoring, and reputation protection built in from day one.
Amazon SES Powered
Your emails ride on the same infrastructure trusted by some of the world's highest-volume senders — fast, reliable, scalable.
Smart Automation
Trigger-based journeys with conditions, delays, and goals — react to what contacts do, not just when a campaign goes out.
Developer APIs
A transactional REST API, scoped keys, and signed webhooks so engineering teams can build on Inboxili, not just around it.
Built for Scale
Async background processing for sending, scheduling, and automation means performance doesn't degrade as your lists grow.
Everything you need to run email, in one place
From drafting your first campaign to running multi-step lifecycle journeys — Inboxili replaces half a dozen disconnected tools.
A drag-and-drop builder your team will actually enjoy
Compose emails from reusable blocks — text, images, buttons, dividers — with live desktop and mobile previews, and an AI assistant one click away.
- Real-time desktop and mobile preview
- Reusable, savable templates
- Built-in spam and deliverability checks before you send
Capture leads without leaving Inboxili
Publish on-brand landing pages and embeddable signup forms — with double opt-in, custom fields, and automatic list segmentation — using the same block editor as your campaigns.
- Double opt-in confirmation built in
- Embed forms anywhere with one snippet
- New signups can trigger automations instantly
Transactional Email
Send receipts, password resets, and alerts from your app via API — tracked and rendered with the same templates as your campaigns.
Team Collaboration
Invite teammates with role-based access — Owner, Admin, Manager, Editor, Viewer — so everyone has exactly the access they need.
Your always-on email copywriter
Inboxili's AI is built directly into the editor — not a separate tool you copy-paste between. Ask it to write, refine, or check your email before it ever reaches an inbox.
Generate emails
Full campaigns drafted from a one-line brief.
Rewrite content
Shorten, expand, or change tone in one click.
Subject suggestions
Multiple options, ranked for predicted open rate.
Spam optimization
Catch risky phrases before you hit send.
Personalization
Merge fields and dynamic content, written for you.
Translation
Localize a campaign into new languages instantly.
Journeys that react to what people actually do
Build multi-step automations visually — triggers, branching conditions, delays, emails, and goals — without writing a line of code.
Event-based triggers
Contact created, tag added, list joined, or a custom date like a birthday.
Branching logic
Split journeys by tags, custom fields, or engagement history.
Goal tracking
Know exactly how many contacts complete each journey, end to end.
See what's working, down to the click
Open rates, click rates, bounce rates, and CTR — tracked with your own domain, not a third-party pixel — plus device and geography breakdowns.
Geographic breakdown
See where your opens and clicks are coming from.
Device & client breakdown
Know exactly how subscribers read your emails.
AI insights
Plain-language recommendations on what to try next.
Enterprise-grade trust, by default
Security isn't an add-on plan here — every workspace gets the same protections from the first email you send.
JWT Authentication
Short-lived access tokens with rotating, one-time-use refresh tokens for every session.
Encrypted Everywhere
Passwords hashed with Argon2id; all traffic to and from Inboxili travels over TLS.
Secure, Scoped APIs
API keys are hashed at rest and scoped to only the permissions each integration needs.
GDPR-Conscious
Double opt-in, one-click unsubscribe, and suppression lists built into every list you send to.
CAN-SPAM Ready
Every campaign includes required sender identification and a working unsubscribe link.
Amazon Infrastructure
Sending runs on Amazon SES — the same delivery infrastructure trusted at global scale.
Fewer tools, more of what matters
Legacy email platforms bolt features on over time. Inboxili was designed as one connected system from the start.
| Capability | Inboxili | Traditional tools |
|---|---|---|
| AI writing built into the editor | ||
| Native marketing automation | ||
| Transactional REST API on every plan | ||
| Self-hosted open/click tracking | ||
| Guided DKIM/SPF/DMARC setup | ||
| Landing pages & forms included | ||
| Transparent, usage-based pricing |
Works with what you already use
No proprietary lock-in — Inboxili speaks the protocols your team already knows.
REST API
Send transactional email from any language or framework.
Verified Domains
Send from your own domain with DKIM, SPF and DMARC records.
Signed Webhooks
Push delivery, open, click, and bounce events to your systems.
CSV Import & Export
Move contacts and lists in and out whenever you need.
Simple pricing that scales with you
Start free. Upgrade only when you outgrow it — every plan includes the AI assistant, automation, and the API.
Need higher volume, SSO, or a custom contract?
Enterprise plans are tailored to your sending volume and compliance needs.
Frequently asked questions
Can't find what you're looking for? Reach out and we'll get back to you fast.
Send your first email in minutes
Verify a domain, create an API key, and make your first request. Campaigns, automation and AI email are in the same workspace when you need them.
Need help moving over? Talk to us.