Developer-First
Email Platform
Trusted by teams for deliverability and developer experience.
27M+
Emails delivered
100+
Developer teams
< 1 min
To send your first email
Everything you need
to send and receive email
const email = await nuntly.emails.send({from: 'hello@acme.com',to: 'alice@example.com',subject: 'Your order is confirmed',text: 'Order #1042 has been shipped.',});
Email Sending
Single or bulk, scheduled or instant, with or without templates.
One API for every use case.
Hi, could you update me on invoice #4821? Sent 3 days ago and still no confirmation.
Email Receiving
Inboxes, threads, message storage, and a Reply API.
Turn inbound email into structured data your app can act on.
Webhooks
Real-time updates on deliveries, opens, clicks, and bounces.
Automatic retries and event replay included.
import Nuntly from '@nuntly/sdk';const nuntly = new Nuntly({apiKey: process.env.NUNTLY_API_KEY,});
Best-in-class SDK
SDKs with rich types, built-in retries, pagination, and error handling.
Integrate in minutes, not days.
oncall@pagerduty.com · [P1] Payment service: latency p99 > 8s (threshold: 2s).
Awaiting AI response...
AI Agent Ready
Structured JSON payloads, thread context, and a Reply API.
Connect your AI agents to email with a single integration.
Comprehensive API
Manage domains, API keys, webhooks, and analytics.
Every platform feature accessible through REST.
Send your first email
in minutes
Ship emails,
Not infrastructure
Everything you need to ship email features faster.
Free plan available. No credit card required.
Full platform API access
Send and receive emails, manage domains, webhooks, API keys, and team members. Every platform capability, one REST API.
Full Feature Set
Send single or bulk emails, manage API keys and domains, track usage and invite team members from one unified API.
Ease of Use
Clean, consistent endpoints and documentation make implementation fast and intuitive.
Efficient API
Low-latency responses, consistent error formats, and idempotent endpoints designed for production workloads.
Full control,
Zero complexity
Every platform feature accessible through REST.
Free plan available. No credit card required.
Built for seamless developer experience
Our SDKs are designed to make email integration effortless, fast, and reliable, giving developers everything they need to build smarter.
API-First at Our Core
Built for modern developers, our SDKs follow an API-first approach, ensuring consistency, reliability, and effortless integration.
The API isn’t just a feature—it’s the foundation of everything we build.
/emails:post:tags:- 'emails'description: |Send transactional emailsthrough the Nuntly platform.It supports HTML and plain-text emails,attachments, labels,custom headers and scheduling.operationId: 'send-email'requestBody:content:application/json:schema:$ref: '#/components/schemas/CreateEmailRequest'responses:200:description: 'A successful response'content: ...
Reliable SDKs
Our SDK ensures fast, resilient HTTP connections with built-in authentication, automatic retries with exponential backoff, and a frictionless developer experience.
import Nuntly from '@nuntly/sdk';const nuntly = new Nuntly({apiKey: process.env['NUNTLY_API_KEY'],timeout: 5000,maxRetries: 1,});
Type-Safe Client
SDK optimized for TypeScript & JavaScript—rich types, autocompletion, inline docs, and a seamless developer experience with error-free coding.
import Nuntly from '@nuntly/sdk';const nuntly = new Nuntly({});(async () => {const email = await nuntly.emails.})();
Developer-Friendly SDK
Our TypeScript SDK is designed with clarity and simplicity in mind, featuring intuitive, human-readable follows a coherent, logical structure, ensuring a seamless developer experience.
import Nuntly from '@nuntly/sdk';const nuntly = new Nuntly({});(async () => {const email = await nuntly.emails.send({from: 'hello@world.net',to: 'tomlinson@bbn-tenexa.com',subject: 'Email',text: 'Hey Ray, thank you for inventing email.',});})();
Bulletproof Error Handling
Our TypeScript SDK ensures graceful error management with clear, structured error messages and automatic retries for transient failures.
Detailed error codes and human-readable messages make debugging effortless, so you can quickly identify and resolve issues.
import Nuntly from '@nuntly/sdk';const nuntly = new Nuntly({});(async () => {try {const email = await nuntly.emails.send({from: 'hello@world.net',to: 'tomlinson@bbn-tenexa.com',subject: 'Email',text: 'Hey Ray, thank you for inventing email.',});console.log(`Email sent with id ${email.id}`);} catch (err) {if (err instanceof Nuntly.APIError) {console.log(err.code);console.log(err.details);} else {throw err;}}})();
Error Handling, Your Way
Hate try/catch? No problem. Our SDK includes a built-in safe Nuntly, giving you a cleaner, more declarative way to handle errors.
import { createSafeNuntly } from '@nuntly/sdk/lib/safe';const nuntly = new createSafeNuntly({});(async () => {const { data, error } = await nuntly.emails.send({from: 'hello@world.net',to: 'tomlinson@bbn-tenexa.com',subject: 'Email',text: 'Hey Ray, thank you for inventing email.',});if (error) {console.log(err.code);console.log(err.details);return;}console.log(`Email sent with id ${email.id}`);})();
Integrate once,
deliver reliably
SDKs with rich types, retries, and error handling built in.
Free plan available. No credit card required.
Webhooks deliver instant insights
Get real-time delivery, open, click, and bounce events pushed directly to your endpoints.
{
"emailId": "em_01kac1x2p0",
"to": "alice@corp.com",
"deliveredAt": "2025-01-14T09:14Z"
}Full Event Coverage
Track every stage of your email lifecycle with detailed event payloads. Receive real-time updates on delivery, opens, clicks, bounces, and more.
Reliable Event Delivery
Webhooks are delivered with automatic retries and error handling to guarantee your data arrives safely.
Flexible Management
Configure endpoints, monitor logs, and replay events through the dashboard or directly via API.
Transactional email, built for speed
Fast API latency, idempotent requests, and scheduled delivery. Send single or bulk emails with a clean JSON API. No queues to manage, no duplicate sends.
POST /emails
send-email.ts
Nuntly API
Authenticate and authorize
Idempotency check
order-confirm-4821
Validating email
Schema, recipients, content
Response
em_7k9x2m4p1n
Fast API latency
Your API call returns instantly with a confirmed email ID. Delivery happens in the background. Your application never waits.
Idempotent sends
Pass an idempotencyKey with any send request. If your server retries after a timeout, Nuntly deduplicates automatically. No duplicate emails, no extra logic on your side.
Scheduled delivery
Set a scheduledAt timestamp and Nuntly delivers exactly when you need. No cron jobs, no external queues. Cancel or reschedule before the delivery window.
Inbound email, built for developers
Turn every inbound email into structured JSON your application can read, route, and reply to. Namespaces isolate tenants. Threads group conversations. No infrastructure to manage.
alice@dilitrust.com
Re: Invoice #4821
Nuntly
DKIM · SPF · spam check
Acme Corp
tenant_001
support@acme.io
thread auto-grouped
Hi, could you update me on invoice #4821? Sent 3 days ago and still no confirmation.
Namespaces
Isolate inboxes per tenant with namespaces. Map to your internal IDs via externalId. Perfect for multi-tenant SaaS: each customer gets their own isolated email space.
Threads and Inboxes
Inbound emails are automatically grouped by conversation thread and stored in named inboxes. Access the full history via REST with no MIME parsing required.
Reply API and AI Agents
Structured JSON payloads and thread context ready for AI workflows. Send replies programmatically, linked to the original thread, with a single API call.
AI agent ready, out of the box
Structured JSON payloads, thread context, agent memory, and a Reply API. Connect your AI agents to email with a single integration. No MIME parsing, no infrastructure to manage.
sarah@acme.com
Upgrade billing question
message.agent.triggered
Webhook dispatched
Agent memory
Thread context loaded
AI processing
Waiting for input
Reply API
In-thread reply
sarah@acme.com · Hi, I upgraded to Pro last week but my invoice still shows the Starter plan rate.
Awaiting AI response...
Agent memory API
Persist context across conversations at three scopes: global, per-inbox, or per-thread. Store summaries, extracted data, or intermediate reasoning steps your agent needs.
Structured JSON payloads
Every inbound email is delivered as clean JSON with sender, subject, plain text, HTML, and attachment URLs. Ready to pass directly to your LLM.
Reply API
Send replies programmatically from your agent, linked to the original thread. Your agent reads, reasons, and replies without leaving your codebase.
Give your agent
an inbox
Structured JSON, thread context, memory, and Reply API.
Everything your agent needs to handle email.
Free plan available. No credit card required.
Secure by Design
End-to-end encryption, email authentication, and EU-hosted infrastructure. Your emails deliver safely, your data stays in the region you choose, and every industry standard is met.
Your App
POST /emails
API
api.nuntly.com
Processing
worker
Outbound
···
GDPR · Encryption
Delivered
alice@...
Webhook
hooks.acme.io
Email Authentication
Fully configured DKIM, SPF, and DMARC on every domain. Your emails are trusted, authenticated, and never flagged as spam.
End-to-End Encryption
All data is encrypted in transit and at rest. Email content and sensitive metadata stay protected at every layer.
EU Data Residency
All data is hosted in Europe by default, ensuring full GDPR compliance. Enterprise plans can add isolated regions for specific regulatory requirements.
Managed Dedicated IPs
Dedicated IPs give you full control over your sender reputation. Automatic suppression list management prevents sends to unsubscribed or bounced addresses.
API Security
API keys are never stored in plaintext. Encrypted tokens are used instead, ensuring maximum security and privacy without compromising developer experience.
Compliance Standards
Built to meet GDPR requirements and more. Whether you need to satisfy legal obligations, industry standards, or enterprise procurement, the platform is ready.
Trusted by developers
Developers who rely on Nuntly for email deliverability, observability, and developer experience.
Frequently asked questions
Ship emails,
Not infrastructure
Trusted by Echo Analytics, DiliTrust, Ogury, and 100+ developer teams.
Free plan available. No credit card required.