Previous headline: "Email for modern software companies"
New call to action: "$npm i loops"
New call to action: "167.4K / WEEK"
Call to action removed: "Terms of Service"
Page title changed from "Loops - The email platform built for SaaS" to "Loops - One platform for all your email"
Large content change — ~95% of the page copy
Large visual change
Passages before
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Before · April 2026
Extracted page copy (markdown)

[Docs](https://loops.so/docs/quickstart)
[Pricing](./pricing)
Guides
[Log in](https://app.loops.so)
[Start](https://app.loops.so/register)

### Backed by Y Combinator
# Email for modern software companies
Send your product, marketing, and transactional email with Loops. One simple
interface, for all your email.
[Get started](https://app.loops.so/register)
[Read docs](https://loops.so/docs)
- [./customers/framer](./customers/framer)
since
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since
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- since
Jul 2024

Designers
## Simplicity meets polish at scale
Write
Craft an email like you're writing a doc
[Learn more](https://loops.so/docs/creating-emails/editor)
Polish
Your email, your branding
[Learn more](https://loops.so/docs/creating-emails/editor#dynamic-content)
Personalize
Make it relevant, out of the box
[Learn more](https://loops.so/docs/creating-emails/personalizing-emails)
[https://framerusercontent.com/assets/gX1079xlNJeHfnE5CRC8Z0hMw.mp4](https://framerusercontent.com/assets/gX1079xlNJeHfnE5CRC8Z0hMw.mp4)

Themes
Save attributes in a single, reusable theme that anyone on your team can apply
to any email.
[Learn more](https://loops.so/docs/creating-emails/editor#saved-styles)

Components
Create a Component, update it in one place, and it updates everywhere.
[Learn more](https://loops.so/docs/creating-emails/components)
Developers
## Simple integration with your stack
Create contact
Update contact
Delete contact
Send event
Send email
{
"email": "[[email protected]](/cdn-cgi/l/email-protection)",
"firstName": "Alice",
"lastName": "Smith",
"source": "app",
"subscribed": true,
"userGroup": "paying",
"userId": "004"
}
Copy to clipboard
POST
https://app.loops.so/api/v1/contacts/create
Copy to clipboard
[npm i loopsSimple integration with our Node SDK 30K+ weekly
downloads](https://loops.so/docs/sdks/javascript)
[Supabase integration](https://loops.so/docs/integrations/supabase)
[JSONYAML Open APIQuickly snap in our specs to get
started](https://loops.so/docs/api-reference/intro#openapi-spec)
[Stripe
integration](https://loops.so/docs/integrations/stripe#create-a-webhook-in-stripe)
[eventPropertiesPersonalized digests in a snap
emaildateplanTypenewPlanoldPlanplanPriceisLifetimeplanCost](https://loops.so/docs/events/properties)
[We update our docs daily](https://loops.so/docs/start-here)
Integrations
Loops integrates with thousands of other platforms so you can sync contacts and
trigger emails from around the internet.
[See all](https://loops.so/docs/integrations)
[Webhooks](https://loops.so/docs/integrations/incoming-webhooks)
[Supabase](https://loops.so/docs/integrations/supabase)
[Clerk](https://loops.so/docs/integrations/clerk)
[Zapier](https://loops.so/docs/integrations/zapier)
[Census](https://loops.so/docs/integrations/census)
[Framer](https://loops.so/docs/integrations/framer)
[Make](https://loops.so/docs/integrations/make)
[Segment](https://loops.so/docs/integrations/segment)
[Webflow](https://loops.so/docs/integrations/webflow)
[Bubble](https://loops.so/docs/integrations/bubble)
Marketers
## Craft a respectful customer journey
Build your Loop
From onboarding emails to engaging users who haven’t explored your app,
automate it all with Loops.
[Learn how](https://loops.so/docs/loop-builder)
1
Start with a trigger
Contact updated
Event fired
Contact added
2
Refine your audience
Timer
Branch
Audience filter
3
Send your message
Welcome to Loops
Thanks for signing up for Loops! Let's jump right in…
Email you actually want to read
Segment your audience
Create dynamic audience segments that continually improve over time. Integrate
multiple data sources to build your source of truth.
[Learn how](https://loops.so/docs/contacts/filters-segments)
🤝
High engagement
Users open emails more than 50% of the time
☑️
Completed onboarding
Users finished the Onboarding Loop succesfully
🫠
Likely to churn
Users have yet to meet engagement goals
For everyone
## Zero-effort deliverability
Intelligent queueing
Our automatic queueing system optimizes email delivery by spacing out sending
times, reducing spam risks and improving deliverability.
[Learn
more](https://loops.so/docs/deliverability/optimization#deliverability-optimization)

Intelligent queueing
Emails are queued to be sent periodically, helps avoid spam flags.
Complete DNS Handling
We handle the difficult parts of deliverability so you don’t need to. From
DMARC to DKIM, we handle emails getting from A to B safely and quickly.
[Learn more](https://loops.so/docs/deliverability/setting-domain)

Complete DNS Handling
Emails sent with Loops comply with the strictest deliverability guidelines.
Check your deliverability
We created Bounce Doctor, a free tool to help diagnose your deliverability. Send
an email to a generated address and we help you resolve your delivery troubles.
Easy!
[Learn more](https://bounce.doctor)


Check your deliverability
A free tool to help you see if your deliverabilty needs work.
We want to make email easy.
Email shouldn’t be complex.
It shouldn’t live in your codebase and it should fit with your brand. Your
designers should love it. Your engineers should find the APIs easy. Your
marketers should feel empowered to send good and relevant email.
And if all of those people are just you, it should work well for you as well.
[Give it a try](https://app.loops.so/register), and [let us
know](/cdn-cgi/l/email-protection#37545f455e44775b58584744194458) what you
think.

- 
Account Confirmation

- 
Onboarding Day 1

- 
Payment Confirmation
- 
Onboarding Day 2

- Forgot Password
- 
Invite Team
- 
Changelog Updates
NEW
- 
Newsletter
🗞️
Newslett|
- 
Upgrade Confirmation
✅
- 
Account Confirmation

- 
Onboarding Day 1

- 
Payment Confirmation
- 
Onboarding Day 2

- Forgot Password
- 
Invite Team
- 
Changelog Updates
NEW
- 
Newsletter
🗞️
Newslet|
- 
Upgrade Confirmation
✅
- 
Account Confirmation

- 
Onboarding Day 1

- 
Payment Confirmation
- 
Onboarding Day 2

- Forgot Password
- 
Invite Team
- 
Changelog Updates
NEW
- 
Newsletter
🗞️
Newslet|
- 
Upgrade Confirmation
✅
[./](./)
[All systems operational](https://status.loops.so)
Product
[Changelog](./changelog)
[Engineering](./engineering)
[Docs](https://loops.so/docs)
Resources
[Guides](https://loops.so/docs/guides/intro)
[Customers](./customers)
[Glossary](./glossary)
[Email examples](./examples)
Company
[About us](./about)
[Updates](./updates)
[Careers](https://www.ycombinator.com/companies/loops/jobs)
[Credits](./credits)
Connect
[LinkedIn](https://www.linkedin.com/company/sendwithloops/)
[X](https://twitter.com/loops)
[Threads](https://www.threads.net/@loops)
[Contact](/cdn-cgi/l/email-protection#c2b1b7b2b2adb0b682aeadadb2b1ecb1ad)
© 2026 Astrodon Inc.
[Privacy Policy](./privacy)
[Terms of Service](./terms)
[Trust Center](https://trust.oneleet.com/loops)
[DPA](./dpa)
[DPF](https://www.dataprivacyframework.gov/list)
After · May 2026
Extracted page copy (markdown)
[CLI now available](/agents/cli)
One platform,every email
Loops is the simplest way to send
[product](https://loops.so/docs/guides/product-updates),
[marketing](https://loops.so/docs/types-of-emails#campaigns),
and [transactional](https://loops.so/docs/transactional) email, from waitlist to
IPO.
[Get started](https://app.loops.so/register)
[For agents](/agents)
Framer
Linear
Perplexity
Granola
Clerk
Reuters
Y Combinator
## Email design from first principles
It was hard to design emails that work everywhere. We fixed that. Designs
crafted with Loops will work in all supported email clients. Easy.
Human
AgentAlpha
Themes
background
#1C1917
padding
24px
border
1px solid
radius
6px
border width
1px
border color
#1C1917
Loops <[[email protected]](/cdn-cgi/l/email-protection)>
Learn more
Learn
[Editing basics](https://loops.so/docs/creating-emails/editor)[Reusable
assets](https://loops.so/docs/creating-emails/components)[Styles and
themes](https://loops.so/docs/creating-emails/styles)[More](https://loops.so/docs/creating-emails)
## A delightful developer experience
We have contacts, contact properties, events and event properties. Understand
the concepts? You know how to use Loops.
Human
Agent
Create contact
POST
https://app.loops.so/api/v1/contacts/create
{
"email": "[[email protected]](/cdn-cgi/l/email-protection)",
"firstName": "Alice",
"lastName": "Smith",
"source": "signup_form",
"subscribed": true,
"userGroup": "paying"
}
[$npm i loops](https://www.npmjs.com/package/loops)
[167.4K / WEEK](https://www.npmjs.com/package/loops)
[167.4K/weekView on npm](https://www.npmjs.com/package/loops)
[NodeN](https://loops.so/docs/sdks/javascript)[NextJS](https://loops.so/docs/sdks/javascript/nextjs)[Ruby](https://loops.so/docs/sdks/ruby)[PHPphp](https://loops.so/docs/sdks/php)[NuxtJS](https://loops.so/docs/sdks/nuxt)[Laravel](https://loops.so/docs/smtp/laravel)
Learn
[API quickstart](https://loops.so/docs/api-reference/intro)[Contacts
API](https://loops.so/docs/api-reference/examples/contacts)[Events
API](https://loops.so/docs/api-reference/examples/events)[More](https://loops.so/docs/api-reference)
## Build powerful lifecycle loops
Your best opportunity for connecting with users once they close the tab is the
inbox. Time to use your best opportunity.
Human
AgentSoon
Acquisition
Start
Trigger
userCreated
Delay
5 mins
Send
welcome email
Branch
Delay
3 days
Filter
!activated
Finish
Send
setup guide
Exit
Remove from Loop!activated after 14d
Learn
[Triggers](https://loops.so/docs/loop-builder/loop-triggers)[Branching](https://loops.so/docs/loop-builder/branching-loops)[Playbooks](https://loops.so/docs/guides/lifecycle-emails)[More](https://loops.so/docs/loop-builder)
## Your growth team's most effective lever
Connect Loops to your app and track what emails drive upgrades, churn reduction,
and revenue.
Goal conversions
Coming soon
124
Free → Pro
124
3.2%
Onboarding Complete
892
68%
Referral Link Click
445
12%
Learn
[Experiments](https://loops.so/docs/loop-builder/experiments)[Segments and
filters](https://loops.so/docs/contacts/filters-segments)[Event
properties](https://loops.so/docs/events/properties)[More](https://loops.so/docs/loop-builder)
## Finally, marketing in sync with product
Build segments from properties and engagement, reuse them across campaigns and
loops, and they will stay in sync with your product.
Saved segments
3 total
Paying Customers1,240
plan is pro+2
Recent Signups850
signed up < 7d ago+2
Didn't open last campaign125
last campaign not opened+2
Learn
[Segments and filters](https://loops.so/docs/contacts/filters-segments)[Contact
properties](https://loops.so/docs/contacts/properties)[Mailing
lists](https://loops.so/docs/contacts/mailing-lists)[More](https://loops.so/docs/contacts)
## Stay synced with your stack
Loops sits on top of your data to help you send emails. Connect the products you
already use for a simple, connected experience.
[Webhooks](https://loops.so/docs/integrations/webhooks)[Supabase](https://loops.so/docs/integrations/supabase)[Clerk](https://loops.so/docs/integrations/clerk)[Zapier](https://loops.so/docs/integrations/zapier)[Framer](https://loops.so/docs/integrations/framer)[Make](https://loops.so/docs/integrations/make)[Segment](https://loops.so/docs/integrations/segment)[Webflow](https://loops.so/docs/integrations/webflow)[Bubble](https://loops.so/docs/integrations/bubble)[Stripe](https://loops.so/docs/integrations/stripe)[PostHog](https://loops.so/docs/integrations/posthog)[Auth0](https://loops.so/docs/integrations/auth0)
Learn
[Stripe billing events](https://loops.so/docs/integrations/stripe)[Supabase user
sync](https://loops.so/docs/integrations/supabase)[Clerk auth
sync](https://loops.so/docs/integrations/clerk)[All
integrations](https://loops.so/docs/integrations)
## See why teams stick with Loops
Our retention is high. We spend most of our time building things for our
existing customers. Here are some nice things they've said.
["Loops is focused, fast, and does just what we need" Jorn, Founder, Framer
->](/customers/framer)["Loops is super simple, intuitive, and has what we need
without the bloat" Luca, Founder, Cosmos ->](/customers/cosmos)
## Start sending better email today
Free to start. No credit card required.
[Start for free](https://app.loops.so/register)
[For agents](/agents)
Company
[About](./about)
[Careers](./careers)
[Credits](./credits)
[Customers](./customers)
Product
[Pricing](./pricing)
[Docs](https://loops.so/docs)
[Templates](./templates/category/all)
[Examples](./examples)
Resources
[Changelog](./changelog)
[Engineering](./engineering)
[Glossary](./glossary)
[Agents](./agents)
Connect
[Email](/cdn-cgi/l/email-protection#5f2c2a2f2f302d2b1f3330302f2c712c30)
[LinkedIn](https://www.linkedin.com/company/sendwithloops/)
[Threads](https://www.threads.net/@loops)
[𝕏](https://twitter.com/loops)
© 2026 Astrodon Inc.
[Privacy](./privacy)
[Terms](./terms)
[Trust (SOC2)](https://trust.oneleet.com/loops)
[DPA](./dpa)
[DPF](https://www.dataprivacyframework.gov/list)
[All systems operational](https://status.loops.so)
[](./)
Guides
[Pricing](./pricing)
[Docs](https://loops.so/docs)
[Log in](https://app.loops.so/)
[Start](https://app.loops.so/register)
Everything removed and added between the two captures — the complete list the "Call to action changed to "CLI now available" from "We update our docs daily"" figure is computed from.
− Easy!
+ Easy.
− Simple integration with your stack
+ Stay synced with your stack
− Backed by Y Combinator
+ Y Combinator
− Send event
+ Send
− Send email
+ "email": "[[email protected]](/cdn-cgi/l/email-protection)",
− Audience filter
+ Filter
− 3
+ 3 days
− Completed onboarding
+ Onboarding Complete
− Send your product, marketing, and transactional email with Loops.
+ Loops is the simplest way to send product, marketing,
− Email for modern software companies
− One simple interface, for all your email.
− since
− Dec 2022
− - since
− Aug 2023
− - since
− Aug 2022
− - since
− Mar 2024
− - since
− Oct 2023
− - since
− Apr 2024
− - since
− Nov 2023
− -
− since
− Mar 2024
− - since
− Jan 2022
− since
− Feb 2025
− -
− Spline
− since
− Mar 2023
− - since
− Jul 2024
− since
− Dec 2022
− - since
− Aug 2023
− - since
− Aug 2022
− - since
− Mar 2024
− - since
− Oct 2023
− - since
− Apr 2024
− - since
− Nov 2023
− -
− since
− Mar 2024
− - since
− Jan 2022
− since
− Feb 2025
− -
− Spline
− since
− Mar 2023
− - since
− Jul 2024
− since
− Dec 2022
− - since
− Aug 2023
− - since
− Aug 2022
− - since
− Mar 2024
− - since
− Oct 2023
− - since
− Apr 2024
− - since
− Nov 2023
− -
− since
− Mar 2024
− - since
− Jan 2022
− since
− Feb 2025
− -
− Spline
− since
− Mar 2023
− - since
− Jul 2024
− Designers
− Simplicity meets polish at scale
− Write
− Craft an email like you're writing a doc
− Polish
− Your email, your branding
− Personalize
− Make it relevant, out of the box
− Save attributes in a single, reusable theme that anyone on your team can apply to any email.
− Components
− Create a Component, update it in one place, and it updates everywhere.
− Developers
− Update contact
− Delete contact
− Copy to clipboard
− Copy to clipboard
− npm i loops Simple integration with our Node SDK 30K+ weekly downloads
− JSONYAML Open APIQuickly snap in our specs to get started
− Stripe integration
− event Properties Personalized digests in a snap emaildateplan Typenew Planold Planplan Priceis Lifetimeplan Cost
− Integrations
− Loops integrates with thousands of other platforms so you can sync contacts and trigger emails from around the internet.
− Marketers
− Craft a respectful customer journey
− Build your Loop
− From onboarding emails to engaging users who haven’t explored your app, automate it all with Loops.
− 1
− Start with a trigger
− Contact updated
− Event fired
− Contact added
− 2
− Refine your audience
− Timer
− Send your message
− Welcome to Loops
− Thanks for signing up for Loops!
− Let's jump right in…
− Email you actually want to read
− Segment your audience
− Create dynamic audience segments that continually improve over time.
− Integrate multiple data sources to build your source of truth.
− 🤝
− High engagement
− Users open emails more than 50% of the time
− ☑️
− Users finished the Onboarding Loop succesfully
− 🫠
− Likely to churn
− Users have yet to meet engagement goals
− For everyone
− Zero-effort deliverability
− Intelligent queueing
− Our automatic queueing system optimizes email delivery by spacing out sending times, reducing spam risks and improving deliverability.
− Intelligent queueing
− Emails are queued to be sent periodically, helps avoid spam flags.
− Complete DNS Handling
− We handle the difficult parts of deliverability so you don’t need to.
− From DMARC to DKIM, we handle emails getting from A to B safely and quickly.
− Complete DNS Handling
− Emails sent with Loops comply with the strictest deliverability guidelines.
− Check your deliverability
− We created Bounce Doctor, a free tool to help diagnose your deliverability.
− Send an email to a generated address and we help you resolve your delivery troubles.
− Check your deliverability
− A free tool to help you see if your deliverabilty needs work.
− We want to make email easy.
− Email shouldn’t be complex.
− It shouldn’t live in your codebase and it should fit with your brand.
− Your designers should love it.
− Your engineers should find the APIs easy.
− Your marketers should feel empowered to send good and relevant email.
− And if all of those people are just you, it should work well for you as well.
− Give it a try, and let us know what you think.
− -
− Account Confirmation
− -
− Onboarding Day 1
− -
− Payment Confirmation
− -
− Onboarding Day 2
− - Forgot Password
− -
− Invite Team
− -
− Changelog Updates
− NEW
− -
− Newsletter
− 🗞️
− Newslett|
− -
− Upgrade Confirmation
− ✅
− -
− Account Confirmation
− -
− Onboarding Day 1
− -
− Payment Confirmation
− -
− Onboarding Day 2
− - Forgot Password
− -
− Invite Team
− -
− Changelog Updates
− NEW
− -
− Newsletter
− 🗞️
− Newslet|
− -
− Upgrade Confirmation
− ✅
− -
− Account Confirmation
− -
− Onboarding Day 1
− -
− Payment Confirmation
− -
− Onboarding Day 2
− - Forgot Password
− -
− Invite Team
− -
− Changelog Updates
− NEW
− -
− Newsletter
− 🗞️
− Newslet|
− -
− Upgrade Confirmation
− ✅
+ One platform,every email
+ and transactional email, from waitlist to IPO.
+ Framer
+ Linear
+ Perplexity
+ Granola
+ Clerk
+ Reuters
+ Email design from first principles
+ It was hard to design emails that work everywhere.
+ We fixed that.
+ Designs crafted with Loops will work in all supported email clients.
+ Human
+ Agent Alpha
+ background
+ 1C1917
+ padding
+ 24px
+ border
+ 1px solid
+ radius
+ 6px
+ border width
+ 1px
+ border color
+ 1C1917
+ Loops <[[email protected]](/cdn-cgi/l/email-protection)>
+ Learn
+ Editing basics Reusable assets Styles and themes More
+ A delightful developer experience
+ We have contacts, contact properties, events and event properties.
+ Understand the concepts?
+ You know how to use Loops.
+ Human
+ Agent
+ "first Name": "Alice",
+ "last Name": "Smith",
+ "source": "signup_form",
+ "subscribed": true,
+ "user Group": "paying"
+ Learn
+ API quickstart Contacts APIEvents APIMore
+ Build powerful lifecycle loops
+ Your best opportunity for connecting with users once they close the tab is the inbox.
+ Time to use your best opportunity.
+ Human
+ Agent Soon
+ Acquisition
+ Start
+ Trigger
+ user Created
+ Delay
+ 5 mins
+ welcome email
+ Delay
+ !activated
+ Finish
+ Send
+ setup guide
+ Exit
+ Remove from Loop!activated after 14d
+ Learn
+ Your growth team's most effective lever
+ Connect Loops to your app and track what emails drive upgrades, churn reduction, and revenue.
+ Goal conversions
+ Coming soon
+ 124
+ Free → Pro
+ 124
+ 3.2%
+ 892
+ 68%
+ Referral Link Click
+ 445
+ 12%
+ Learn
+ Experiments Segments and filters Event properties More
+ Finally, marketing in sync with product
+ Build segments from properties and engagement, reuse them across campaigns and loops, and they will stay in sync with your product.
+ Saved segments
+ 3 total
+ Paying Customers1,240
+ plan is pro+2
+ Recent Signups850
+ signed up < 7d ago+2
+ Didn't open last campaign125
+ last campaign not opened+2
+ Learn
+ Segments and filters Contact properties Mailing lists More
+ Loops sits on top of your data to help you send emails.
+ Connect the products you already use for a simple, connected experience.
+ Learn
+ Stripe billing events Supabase user sync Clerk auth sync All integrations
+ See why teams stick with Loops
+ Our retention is high.
+ We spend most of our time building things for our existing customers.
+ Here are some nice things they've said.
+ "Loops is focused, fast, and does just what we need" Jorn, Founder, Framer ->"Loops is super simple, intuitive, and has what we need without the bloat" Luca, Founder, Cosmos ->
+ Start sending better email today
+ Free to start.
+ No credit card required.
+ [](./)