SendNex is the transactional email API that developers actually enjoy using. 99.9% deliverability, sub-200ms response times, and an SDK that makes sense.
100 emails/day free. No credit card required.
import { SendNex } from 'sendnex';
const client = new SendNex('snx_live_...');
await client.emails.send({
from: 'you@yourapp.com',
to: 'user@example.com',
subject: 'Welcome aboard!',
html: '<p>You are in.</p>',
});
// That's it. Delivered in milliseconds.No XML configs. No 47-page setup guides. No surprise bills. Just a clean API that does exactly what it says.
Your emails reach the inbox, not spam. DKIM, SPF, and DMARC handled out of the box with automatic domain verification.
Our API responds in under 200ms on average. Queue, process, and deliver without blocking your application's critical path.
Install the SDK, add your API key, call one function. That's the entire onboarding. SDKs for Node.js, Python, Go, Ruby, and PHP.
Get instant notifications for deliveries, opens, clicks, bounces, and complaints. Debug delivery issues in real-time, not days later.
Build beautiful emails with React components and render them server-side. Or send raw HTML. Your call.
Track delivery rates, open rates, click rates, and bounces with a clean dashboard. Export everything via API.
No SOAP endpoints. No enterprise middleware. Just clean REST with type-safe SDKs in every language that matters.
First-class TypeScript support. Full IntelliSense. Auto-generated from our OpenAPI spec so they are always current.
Every API key has a test counterpart. Validate payloads and webhooks without sending a single real email.
Retry safely without duplicates. Every request accepts an idempotency key to prevent accidental re-sends.
import { SendNex } from 'sendnex';
const snx = new SendNex('snx_live_...');
const { id } = await snx.emails.send({
from: 'hello@yourapp.com',
to: ['user@example.com'],
subject: 'Verify your email',
html: `<h1>Confirm</h1>
<a href="${link}">Click here</a>`,
tags: [{ name: 'category', value: 'auth' }],
});
console.log(`Sent: ${id}`);
// Sent: msg_1a2b3c4d5efrom sendnex import SendNex
client = SendNex(api_key="snx_live_...")
result = client.emails.send(
from_email="hello@yourapp.com",
to=["user@example.com"],
subject="Verify your email",
html="""
<h1>Confirm</h1>
<a href="{link}">Click here</a>
""",
tags=[{"name": "category", "value": "auth"}],
)
print(f"Sent: {result.id}")
# Sent: msg_1a2b3c4d5ecurl -X POST https://api.sendnex.xyz/v1/emails \
-H "Authorization: Bearer snx_live_..." \
-H "Content-Type: application/json" \
-d '{
"from": "hello@yourapp.com",
"to": ["user@example.com"],
"subject": "Verify your email",
"html": "<h1>Confirm</h1>",
"tags": [
{"name": "category", "value": "auth"}
]
}'
# {"id": "msg_1a2b3c4d5e", "status": "sent"}No per-seat charges. No hidden fees. No surprise overages. Pay for what you send, upgrade when you need to.
Developers who switched to SendNex and never looked back.
"We migrated from SendGrid in an afternoon. The API is cleaner, deliverability improved immediately, and we cut our email costs by 40%. Should have switched sooner."
"Mailgun kept dropping our password reset emails. After switching to SendNex, our delivery rate went from 94% to 99.8%. Our support tickets for 'didn't get the email' dropped to nearly zero."
"The TypeScript SDK is the best I've used for any email service. Autocomplete for everything, sensible defaults, and the test mode saved us from so many production mistakes."
Join thousands of developers who send with confidence. Start free, scale when you are ready.