Klaviyo pricing:
Start with a free plan

Yes — the free plan is available at no monthly cost as long as your account remains under the limits of 250 active profiles and 500 monthly email sends. However if you exceed those limits (or require paid-plan features such as custom branding removal or advanced support) you will need to upgrade or your sending may be paused.

You may remain on the free plan indefinitely as long as your active profile count remains at or below the 250-profile limit and your monthly sends stay at or below 500 emails. Once you exceed either threshold, your ability to send may be restricted. Note: With the free plan you receive full email support only for the first 60 days; after that you still have access to the Help Center, community resources, and training but not full support channels reserved for paid tiers.

The free plan is best suited for small businesses, start-ups, or brands just getting started with marketing automation who have relatively small contact lists (≤250 active profiles) and moderate sending needs (≤500 emails/month). It allows you to test Klaviyo's platform, integrate your data, run automations, and experiment with segmentation and SMS (via credits) without paying upfront. As your audience, sends or sophistication grow, you'll likely need to transition to a paid tier.

Yes — the free plan supports both email marketing and text (SMS/MMS) marketing to a degree. On the free plan you are allotted 150 mobile messaging credits per month, so you can test mobile messaging campaigns.

The free plan supports the standard library of integrations (for example ecommerce platforms, CRMs, web forms, data sources) that Klaviyo offers. You are not blocked from connecting your tech stack just because you're on the free tier. Many third-party reviewers note that Klaviyo's core integrations are included.

Once you exceed the free plan's limits (e.g., more than 250 active profiles or more than 500 email sends in a month), your account will no longer be able to send additional emails or messages until the next billing cycle or until you upgrade to a paid plan. You'll be prompted to upgrade to continue sending.

Yes, but with limitations: free plan users receive email support for the first 60 days after sign-up. After that, you'll have access to the Klaviyo Community and self-service resources (Help Center, Academy) rather than full support channels reserved for paid tiers.

Yes — the free plan can absolutely work for ecommerce stores (on Shopify, WooCommerce, Wix etc) that are just starting out, testing email + SMS, or sending to smaller audiences. Because Klaviyo supports integrations with major ecommerce platforms and gives you access to segmentation and automation even on free, it's a useful entry point. As your store and list grow (beyond the 250 contact limit or high-volume sends), you'll want to move to a paid tier.

Upgrading from the free plan is straightforward: in your Klaviyo account head to Account Settings → Billing (or Change Plan), review your active profile count and required sends, select the paid tier that matches your needs, and complete the upgrade. Once upgraded, your account unlocks paid-plan features (no send or profile limits on that tier), plus enhanced support, branding removal, etc.