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Email infrastructure
Email API and mailboxes that feel like one product.
Send transactional and marketing email with a modern API. Host business inboxes on your domain. One platform for delivery, domains, and reputation.
Free tier · 3,000 emails/mo · No credit card
import { Xurel } from 'xurel';
const client = new Xurel('xrl_prd_...');
await client.emails.send({
from: 'hello@acme.dev',
to: 'user@example.com',
subject: 'Welcome aboard',
html: '<p>You are in.</p>',
});from xurel import Xurel
client = Xurel("xrl_prd_...")
client.emails.send(
from_="hello@acme.dev",
to="user@example.com",
subject="Welcome aboard",
html="<p>You are in.</p>",
)curl -X POST https://api.xurel.co/v1/emails \
-H "Authorization: Bearer xrl_prd_..." \
-H "Content-Type: application/json" \
-d '{
"from": "hello@acme.dev",
"to": "user@example.com",
"subject": "Welcome aboard",
"html": "<p>You are in.</p>"
}'client := xurel.New("xrl_prd_...")
err := client.Emails.Send(ctx, &xurel.SendRequest{
From: "hello@acme.dev",
To: []string{"user@example.com"},
Subject: "Welcome aboard",
HTML: "<p>You are in.</p>",
})Trusted by teams shipping product
NorthlineOrbit PayKite CMSHarbor AIStackyardLumen Ops
Platform
API sends. Human inboxes. Same deep-sea stack.
Pick the surface you need — or run both on one domain.
Email API
Send transactional and marketing email from one modern API — with webhooks, templates, and delivery analytics.
ExploreBusiness mailboxes
Host inboxes on your domain. Same brand, same deliverability stack, no separate mail provider.
ExploreOne platform
Domains, DNS, and reputation managed in one place — API sends and human inboxes together.
ExploreFeatures
Everything you need to reach the inbox.
From first send to dedicated IPs — built for developers, clear for teams.
Send email with a single call
A REST API with batch, scheduling, idempotency, tags, and attachments.
Drop-in SMTP relay
Point any app at smtp.xurel.co and authenticate with your API key.
Receive email as webhooks
Parse incoming mail and deliver structured JSON to your endpoint.
Manage contacts at scale
Create audiences, import contacts, and build segments.
Campaigns that convert
Compose, schedule, and track broadcasts to your audiences.
Trigger-based email sequences
Send the right message when something happens.
Reusable, dynamic templates
Build templates with variables — or author with React Email.
Real-time delivery events
Get notified the moment email is delivered, opened, clicked, or bounced.
Send from your terminal
Manage domains, keys, and test sends without leaving the shell.
Developer experience
Ship email like any other API.
Typed SDKs, a fast CLI, signed webhooks, and docs that stay honest. SMTP when you need a drop-in path.
- Official Node, Python, Go, and more
- Idempotent sends and event IDs
- Local-friendly test mode
- OpenAPI reference that matches production
import { Xurel } from 'xurel';
const client = new Xurel('xrl_prd_...');
await client.emails.send({
from: 'hello@acme.dev',
to: 'user@example.com',
subject: 'Welcome aboard',
html: '<p>You are in.</p>',
});from xurel import Xurel
client = Xurel("xrl_prd_...")
client.emails.send(
from_="hello@acme.dev",
to="user@example.com",
subject="Welcome aboard",
html="<p>You are in.</p>",
)curl -X POST https://api.xurel.co/v1/emails \
-H "Authorization: Bearer xrl_prd_..." \
-H "Content-Type: application/json" \
-d '{
"from": "hello@acme.dev",
"to": "user@example.com",
"subject": "Welcome aboard",
"html": "<p>You are in.</p>"
}'client := xurel.New("xrl_prd_...")
err := client.Emails.Send(ctx, &xurel.SendRequest{
From: "hello@acme.dev",
To: []string{"user@example.com"},
Subject: "Welcome aboard",
HTML: "<p>You are in.</p>",
})How it works
Three steps to production email.
Verify your domain
Add SPF, DKIM, and DMARC with guided DNS. Ready in minutes.
Send your first email
Use the SDK, SMTP, or dashboard. Track delivery in real time.
Customers
Built for teams that care about delivery.
“We replaced three vendors with Xurel — API, SMTP, and team inboxes on one domain.”
“Webhook payloads are clean, docs match production, and OTPs finally land in under 200ms.”
“Broadcasts and audiences feel like product tools, not a bolted-on ESP.”
Pricing
Simple plans in USD. Start free.
Mailbox seats are separate. No surprise platform fees on the free tier.
Free
$0 /mo
For side projects and testing.
- 3,000 emails / month
- 1 verified domain
- 2 API keys
- 1 webhook endpoint
- Docs support
Pro
$20 /mo
For growing products.
- 50,000 emails / month
- 5 verified domains
- 10 API keys
- Broadcasts & audiences
- Webhooks
Scale
$80 /mo
For high-volume senders.
- 200,000 emails / month
- 25 verified domains
- Unlimited API keys
- Everything in Pro
- Priority support
FAQ
Questions, answered.
Is Xurel only for developers?
Developers love the API, but product and growth teams use Broadcasts, Audiences, and the dashboard every day.
Can I host mailboxes and send from the API on the same domain?
Yes. Xurel manages DNS and reputation for API traffic and human inboxes on one platform.
What is included in Free?
3,000 emails per month, one domain, and core API access. Upgrade when you need volume, teams, or dedicated IPs.
Do you support SMTP?
Yes. Point any SMTP client at smtp.xurel.co with your API key — no app rewrite required.
How do webhooks work?
Subscribe to delivery, bounce, complaint, and open events. Payloads are signed JSON with idempotent event IDs.
Where is pricing in USD?
Marketing prices are listed in USD. Free is $0, Pro is $20/mo, Scale is $80/mo — plus usage beyond plan limits.
Ship your first email today.
Create an account, verify your domain, and send in minutes.