Kit

Name: Kit
Author: Kit

Free plan APIiPhoneWeb

What Kit is

Kit is a newsletter and email service for creators, with options for publishing a newsletter and offering paid subscriptions. Its free Newsletter plan includes up to 10,000 subscribers and one basic Visual Automation. The free plan is listed as free. Creator costs $33 a month for 1,000 email subscribers, while Pro costs $66 a month for 1,000 email subscribers. Kit also offers a 14-day trial. Email sending is listed as unlimited across its plans. Other listed capabilities include a newsletter website, custom domains, a sponsor marketplace, and API access. Founded in 2013, Kit offers a choice between a free plan with a stated subscriber ceiling and two paid plans whose listed subscriber basis is 1,000. The combination of newsletter publishing, paid subscriptions, and sponsor marketplace access may suit creators who want several ways to build and support an audience. API access and custom domains are also available for users who need those capabilities.

Who it suits

Kit suits creators who want to publish a newsletter and may also offer paid subscriptions or pursue sponsor opportunities. It may also fit users who need a custom domain or API access alongside unlimited email sending.

What it does well

Free plan allows up to 10,000 subscribers.
Email sending is listed as unlimited.
Includes a newsletter website and custom domains.
Supports paid subscriptions and a sponsor marketplace.
API access is available.

What to know first

Free plan includes only one basic Visual Automation.
Creator and Pro plan descriptions each use a 1,000-subscriber basis.
The 14-day trial is time limited.

Limits

The free Newsletter plan covers up to 10,000 subscribers and includes one basic Visual Automation. Creator and Pro are each listed on a 1,000-subscriber basis at $33 a month and $66 a month, respectively.

Plans

Plan	Billed and limits	Price
Newsletter	Free—up to 10,000 subscribers · 10,000 subscribers · 1 basic Visual Automation	Free
Creator	$33/mo; $390 billed yearly · 1,000 subscribers shown · visual automations · email sequences · Kit MCP · subject-line A/B tests · polls · remove branding · SMS · apps and integrations · RSS campaigns · 24/7 email and chat support	$33 a month
Pro	$66/mo shown with limited-time $50 offer; $593 billed first year · 1,000 subscribers shown · everything in Creator · Subscriber Signals · Growth Concierge · engagement analytics · unlimited users · insights dashboard	$66 a month
Free	$0/mo · Up to 10,000 subscribers · unlimited landing pages and forms · unlimited broadcasts · tagging and segmentation · digital products and subscriptions · A/B testing · API access	Free

As kit.com lists them, read 22 Sept 2026. The maker's own page has the final word.

Getting started

Visit kit.com.
Choose the Newsletter, Creator, or Pro plan.
Use the 14-day trial if you want to start with the trial option.

Verdict

Pick Kit if you want newsletter publishing with paid subscriptions, sponsor marketplace access, or API access. The free plan provides up to 10,000 subscribers, while Creator and Pro are listed for 1,000 subscribers at their stated monthly prices. Consider another option if the free plan’s single basic Visual Automation or the paid plans’ listed subscriber basis does not suit your needs.

Questions

Is Kit free?

Yes. Its Newsletter plan is listed as free and includes up to 10,000 subscribers.

What do the paid plans cost?

Creator costs $33 a month for 1,000 email subscribers. Pro costs $66 a month for 1,000 email subscribers.

Does Kit offer a trial?

Yes. Kit lists a 14-day trial.

What does Kit include?

Listed capabilities include a newsletter website, paid subscriptions, unlimited email sending, a sponsor marketplace, custom domains, and API access.

Who makes Kit, and when was it founded?

The maker is Kit, founded in 2013.

Facts from Kit's own pages

API: Kit offers API access on its Free plan, and its help center describes API V4 for automating workflows and integrating third-party tools. · help.kit.com, 12 Oct 2026
API authentication: API keys are available on every plan for direct integrations and personal automation, while public apps must use OAuth. · help.kit.com, 15 Oct 2026
API capabilities: The v4 API adds cursor pagination, bulk and asynchronous processing, richer broadcast HTML and subscriber statistics. · developers.kit.com, 15 Oct 2026
API versions: Kit API v4 is the current API, while v3 remains available as a legacy API that is no longer actively developed and may be deprecated. · help.kit.com, 15 Oct 2026
App Store listing: Apple lists Kit's free Craft + Commerce conference app for iPhone and iPad, but says it has too few ratings to display an overview and requires iOS 17 or later. · apps.apple.com, 15 Oct 2026
Audience growth: Kit offers landing pages, newsletter sites, forms, and creator recommendations to help creators attract subscribers. · kit.com, 12 Oct 2026
Automations: Kit's visual automation builder lets users map audience journeys and automate subscriber engagement. · kit.com, 12 Oct 2026
Automation templates: The template library includes scenarios such as welcoming subscribers, launching products, running paid newsletters and growing an audience. · help.kit.com, 15 Oct 2026
Commerce: Kit lets creators sell digital downloads, memberships, subscriptions and other products with automated fulfillment. · help.kit.com, 15 Oct 2026
Commerce fee: Kit states that selling through its commerce feature costs 3.5% plus $0.30 per transaction. · help.kit.com, 15 Oct 2026
Company founding and size: LinkedIn lists the privately held company as founded in 2013, headquartered in Boise, Idaho, with 51–200 employees. · linkedin.com, 15 Oct 2026
Company legal name: The legal entity is Kit, Inc., with Nathan Barry listed as CEO and a Boise, Idaho mailing address. · kit.com, 15 Oct 2026
Company team: Kit's own About page says it has 114 team members across 86 cities and identifies Nathan Barry as founder and CEO. · kit.com, 15 Oct 2026
Deliverability security: Verified sending domains support SPF, DKIM and DMARC authentication for Kit messages. · help.kit.com, 15 Oct 2026
Developer documentation: The developer site documents broadcasts, subscriber management, tags, custom fields, purchase imports and app development. · developers.kit.com, 15 Oct 2026
Email and segmentation: Users can tag and segment subscribers by interests and behavior, then personalize emails for them. · kit.com, 12 Oct 2026
Email marketing: The product supports creator-focused email campaigns for marketing products and services. · kit.com, 15 Oct 2026
Extensibility limit: Kit says apps needing plugins, bulk endpoints and higher rate limits must be built as App Store apps rather than relying on personal API keys. · help.kit.com, 15 Oct 2026
Founded: 2013 · kit.com, 23 Sept 2026
Free plan: Yes · kit.com, 22 Sept 2026
Free-plan limits: The Free plan excludes visual automations, email sequences, rules and RSS campaigns, AI Connectors, paid App Store apps, and earning from Paid Recommendations. · help.kit.com, 12 Oct 2026
Funding and revenue: Axios reported in June 2026 that Kit had more than $50 million in prior-year revenue, served over 550,000 creators and had raised no outside funding. · axios.com, 15 Oct 2026
Independent Android app: The Google Play app Kit.com Manager says it is independent and not affiliated with, endorsed by or sponsored by Kit.com. · play.google.com, 15 Oct 2026
Integration examples: Kit announced integrations for HubSpot, Patreon, Luma and Eventbrite, with contact, membership, registration and purchase data synchronization. · kit.com, 15 Oct 2026

Kit