Email,
well delivered.

Transactional sends, marketing campaigns and visual workflows in one workspace, on separate sending identities — behind one API that is safe to hand an agent: scoped keys, an MCP surface, and phishing screening on the way out.

§ 03AI Workflows

Describe your campaign. We'll wire it.

Tell Sendly what you want to send and when. Drip sequences, behavioral triggers, conditional branches — built by describing them. Drag a node to tweak; deploy when it's right.

Sendly AI
Workflow builder
Example scenarios
  • Onboarding drip
  • Re-engage inactive users
  • Purchase follow-up
  • Annual birthday
trigger
New sign-up
send
"Welcome to Acme"
wait
3 days
condition
Setup done?
send
"Try Pro, on us"
send
"Quick setup tips"
Sendly · Workflow Builder · v1
§ 04AI Integrations

Bring your AI.

Sendly speaks Model Context Protocol — the open standard for AI tool use. Connect Claude, Cursor or any MCP-aware agent, over OAuth or with a secret key. You choose what it may do, one permission at a time: the ones that cannot be undone — sending mail, revoking API keys — arrive unchecked, behind a warning.

01Read your account
Ask which sending domains are verified, or what your open rate was this week.
02Do the work
Have Cursor tidy your contacts, cut a new segment, or draft the next campaign.
03Send, once you say so
Sending is a permission you tick yourself. Withdraw it and the agent is refused on its next call.
Connect in one line
claude mcp add --transport http sendly https://app.sendly.now/api/mcp

Sign in, approve the permissions you want to grant, and revoke them any time from your settings.

Sendly
MCP server
Claude
ChatGPT
Cursor
Gemini
Zed
Any MCP Client
§ 05The Platform

One dashboard, everything you need.

Sendly
acme — production
Overview
All campaigns
Sent (30d)
142,891
+12% MoM
Open rate
48.2%
+3.1pp
Bounce
0.41%
within range
Queued
847
sending now
Campaign
Recipients
Open
Click
Status
May newsletter — product updates
12,481
52.4%
8.1%
Delivered
New feature · SMTP relay
12,481
49.0%
12.7%
Delivered
Q2 launch announcement
12,481
Queued
Welcome drip · week 2
847
38.2%
4.4%
Sending
Re-engagement campaign
8,420
Draft
§ 06The Problem

Most email tools weren't built for agents.

/ Agents
Scoped
Safe to hand an assistant
Give an agent an MCP connection and a key scoped to exactly what it may do. Outbound content is screened for phishing, and a project that trips the threshold is cut off automatically rather than after the complaints arrive.
/ Pricing
0 limits
Pay per email, never per contact
Store millions of contacts at no cost. Pay only for messages that actually leave the queue.
/ Reliability
4 regions
Multi-region by default
Sends route through the AWS SES region closest to your project. Automatic failover, idempotency keys, no overage surprises.
§ 07Capabilities

Everything you need. Nothing you don't.

/W
01
Workflow Automation

Visual workflows that branch on opens, clicks, and custom events. Drag, drop, ship.

/S
02
Dynamic Segments

Filter your audience on any property. Segments update in real time as contacts change.

/C
03
Campaign Management

Schedule, A/B test, and track marketing broadcasts alongside transactional sends.

/A
04
Analytics

Delivery, opens, clicks, bounces. Per domain, per tag, per template — drilled all the way down.

/I
05
Inbound Email

Receive at a verified address, route to a webhook, and treat replies like any other event.

/D
06
Sending Identities

Separate identities for transactional and marketing mail, suggested when you add a domain. Each gets its own DKIM, SPF and DMARC — so a campaign's complaints never reach the reputation your password resets go out on.

§ 08Alternatives

Replace your email stack.

Already on Resend, SendGrid, Postmark, Mailgun, or Plunk? Sendly speaks their transactional-send APIs — keep the SDK you already run, swap the base URL and the key. Migration guides

§ 09Pricing

Simple, predictable
pricing.

No per-contact fees, no monthly fee and no plan tiers to outgrow — start free, then pay $1.00 per 1,000 emails you actually send, less as you send more.

Free
$0
/ month · forever

Everything you need to get started. No credit card required.

5,000 emails / month
Transactional, campaigns & workflows
Full REST API, SDKs & webhooks
Powered-by-Sendly badge on sent email
Get started free
Pay as you go
$1.00
/ 1,000 emails

Volume pricing that drops as you send more. No monthly fee and no plan to outgrow.

$1.00 per 1,000 emails up to 50,000
$0.70 per 1,000 above 50,000
$0.50 per 1,000 above 250,000
Badge removed from your email
Set your own limit per category
Billed in USD, EUR or GBP
Start sending →
Custom
Let's talk
tailored to your volume

High-volume or regulated sending that needs limits set by a human.

Everything in Pay as you go
Custom sending limits
Higher daily throughput
Direct support from the team
Contact us →
§ 10Trust

Postmarked in Halifax.

/ Deliverability

Every send, tracked to the tick.

Transactional or broadcast, each message is stamped the moment it lands — delivered, opened, clicked — so you always know it arrived. Four SES regions and managed suppression lists keep you out of the spam folder.

DELIVERED142 ms
FROM
Sendly · Halifax NS
support@sendly.now
Welcome to Acme, Jane.
Your account is ready. Here’s what to do next…
Set up your domain →
Postmarked · Halifax NSvia Sendly
REGIONS · EU + US
Privacy first

EU-hosted by default, US on request. GDPR-aligned data handling, and your recipient data is never sold or shared with advertisers.

CREW · INDEPENDENT
Indie, by design

An email platform built by a small team in Halifax. We answer our own support email. No carve-up by product managers.

INFRASTRUCTURE · MULTI-REGION
Built to last

Four AWS SES regions with automatic failover, suppression lists managed for you, idempotency keys baked into every write endpoint.

Start sending in
5 minutes.

A free account, a verified domain, and three lines of code. Your first email goes out before this page finishes loading.