Can SendGrid do eCommerce email marketing?

Technically yes through their Marketing Campaigns product. But it lacks eCommerce-specific features: no Shopify integration, no product feeds in emails, no behavioral triggers, no revenue attribution. You would be building features that Klaviyo includes natively.

Can we use both SendGrid and Klaviyo?

Yes, and many brands do. Klaviyo for marketing emails (campaigns, flows, SMS). SendGrid for transactional emails (order confirmations, shipping updates, account notifications). They serve different purposes well.

Is SendGrid cheaper than Klaviyo?

Yes — roughly half the price at most list sizes. But comparing price without comparing revenue generated is misleading. Klaviyo-managed accounts drive 30-40% of revenue from email. SendGrid is not designed to generate eCommerce revenue.

We are on SendGrid now — how hard is migrating to Klaviyo?

Straightforward. Lists and contact data export/import cleanly. Automation logic will need rebuilding in Klaviyo (but Klaviyo flows are more powerful anyway). Typical migration takes 2-3 weeks with proper planning.

Does SendGrid have better deliverability than Klaviyo?

For transactional email, possibly — that is their core competency. For marketing email, both are strong. Deliverability depends more on your list hygiene and sending practices than the platform itself.

Email Platform Comparison

SendGrid delivers emails. Klaviyo makes them generate revenue. Big difference.

SendGrid and Klaviyo both send emails. That is where the similarities end.

SendGrid is an email delivery infrastructure — transactional emails, API-driven sends, and raw deliverability. It was built for developers and SaaS companies who need reliable email delivery at scale. It does that job extremely well.

Klaviyo is an eCommerce marketing platform. Behavioral segmentation, predictive analytics, visual flow builders, Shopify-native data, revenue attribution, and SMS — all designed to turn email into 30-40% of your total revenue. It was built specifically to sell products online.

Comparing them is like comparing a postal service to a sales team. One delivers the letter. The other writes the pitch, knows who to send it to, and tracks whether it made you money.

150+

Brands Managed

30-40%

Revenue from Email (Klaviyo)

Gold

Klaviyo Partner Status

$23M+

Revenue Driven

This comparison matters because we see eCommerce brands on SendGrid wondering why email is not driving revenue. The answer is simple: SendGrid is not designed to drive eCommerce revenue. It is designed to deliver emails reliably. If you are a Shopify store using SendGrid for marketing emails, you are using a hammer to drive screws.

Klaviyo vs SendGrid — feature by feature

Feature	Klaviyo	SendGrid
Primary Purpose	eCommerce email and SMS marketing platform. Built to drive product sales through behavioral automation, segmentation, and revenue-attributed campaigns.	Email delivery infrastructure and transactional email service. Built for developers needing reliable email API and delivery at scale.
Shopify Integration	Deep native integration. Real-time browsing data, product catalog sync, predictive analytics, and automatic revenue attribution from Shopify data.	No native Shopify integration. Requires custom development or third-party connectors. No product catalog sync or browsing data.
Segmentation	Behavioral and predictive segments. Purchase history, browse behavior, predicted LTV, churn risk. Segments update in real time based on Shopify data.	List-based segmentation with contact properties. No eCommerce behavioral data, no predictive analytics, no purchase-based segments out of the box.
Automation / Flows	Visual flow builder with eCommerce triggers: cart abandonment, browse abandonment, post-purchase, price drop, back-in-stock. All tied to revenue.	Basic automation available through Marketing Campaigns product. Limited triggers. No eCommerce-specific automation without custom development.
Revenue Attribution	Revenue tracked per flow, per campaign, per segment. You know exactly how much money each email generates.	No native revenue attribution for eCommerce. You would need to build custom tracking to tie emails to purchases.
Pricing (10,000 contacts)	Around $150/month. Expensive for a generic email tool — underpriced for an eCommerce revenue engine.	Around $60-80/month for Marketing Campaigns. Cheaper, but you get what you pay for in terms of eCommerce features.
Deliverability	Strong deliverability with dedicated infrastructure for marketing emails. Good sender reputation management and authentication tools.	Excellent deliverability infrastructure — this is SendGrid's core strength. Best-in-class for transactional email delivery. Marketing deliverability solid but less specialized.
SMS	Built-in SMS alongside email in unified flows. One platform, one customer profile, one consent system.	No native SMS marketing. Would need a separate tool like Twilio (same parent company) for SMS.

Our recommendation

For eCommerce: Klaviyo without question. SendGrid simply does not have the eCommerce features needed to drive email revenue. No Shopify data, no behavioral segmentation, no revenue attribution, no product-specific automation.

For transactional email (order confirmations, shipping notifications, password resets): SendGrid is excellent and can run alongside Klaviyo for those use cases. Many brands use both — Klaviyo for marketing, SendGrid for transactional.

Pick Klaviyo if...

Pick Klaviyo if you sell products online and want email to drive 30-40% of your revenue. Its entire feature set is built for eCommerce marketing — segmentation, automation, and measurement all designed around selling products.

Pick SendGrid if...

Pick SendGrid if you need reliable transactional email delivery (order confirmations, shipping updates, account notifications) or if you are a SaaS/developer needing an email API. For eCommerce marketing, it is the wrong tool.

Questions our best clients asked first

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