How do Klaviyo and SuprSend prices compare?

Klaviyo: custom or unlisted usage pricing at 10,000 profiles. SuprSend: $0/month on Free at 0 notifications. Different billing units are not an equal-workload comparison. Estimates exclude unlisted add-ons and taxes.

What matters for transactional email?

Review SMTP or API integration, domain authentication, bounce and complaint events, suppression handling and delivery-log retention.

Can I compare marketing and agent email by sends?

Only when the published plan actually bills by sends. Contacts, subscribers and inboxes stay in their own billing units.

What features and free access does Klaviyo list?

E-commerce data, Omnichannel, Shopify ecosystem. Free access: Limited free plan. Check plan-specific availability and current terms on the provider's official pricing page.

What features and free access does SuprSend list?

Multi-channel support including Email, SMS, Push, In-App Inbox, WhatsApp, Slack, and MS Teams, Visual workflow engine for branching, routing, batching, and digest scheduling, Centralized template management with WYSIWYG editor, version control, and multi-lingual (i18n) localization, Pre-built in-app feed SDKs and customizable preference center. Free access: Free plan includes up to 10,000 notifications per month across unlimited channels with community support.. Check plan-specific availability and current terms on the provider's official pricing page.

Email APIs · side by side

Klaviyo vs SuprSend

Compare Klaviyo, SuprSend by sending volume, delivery webhooks, inbound email, domain limits and retention.

Email APIs pricing calculator

These providers bill in different units. Each estimate uses its own workload; there is no same-volume price winner.

Klaviyo

Number of profiles

10K

SuprSend

Monthly notifications

Klaviyo

Custom / not listed

Custom / unlisted usage pricing · 10K profiles

SuprSend

$0 / mo

Free · 0 notifications

Listed USD plan fees and tracked usage only. Unlisted compute, transfer, extras, taxes and contract terms are excluded. Custom or unsupported plan usage is not estimated.

Email APIs overview & pricing

Email APIs	Klaviyo	SuprSend
Provider	Klaviyo	SuprStack Inc.
Billing unit	profiles	notifications
Plan at selected usage	Custom / unlisted usage pricing	Free
Monthly estimate	Custom / not listed	$0/mo
Workload	10K profiles	0 notifications
Free access	Limited free plan	Free plan includes up to 10,000 notifications per month across unlimited channels with community support.
Published plans	Free	Free, Essentials, Business, Enterprise
Prices checked	2026-10-08	2026-10-08

Provider

Klaviyo: Klaviyo
SuprSend: SuprStack Inc.

Billing unit

Klaviyo: profiles
SuprSend: notifications

Plan at selected usage

Klaviyo: Custom / unlisted usage pricing
SuprSend: Free

Monthly estimate

Klaviyo: Custom / not listed
SuprSend: $0/mo

Workload

Klaviyo: 10K profiles
SuprSend: 0 notifications

Free access

Klaviyo: Limited free plan
SuprSend: Free plan includes up to 10,000 notifications per month across unlimited channels with community support.

Published plans

Klaviyo: Free
SuprSend: Free, Essentials, Business, Enterprise

Prices checked

Klaviyo: 2026-10-08
SuprSend: 2026-10-08

Email APIs monthly cost

Klaviyo: Not pricedSuprSend: $0

Different workloads, separate estimates

Separate transactional delivery from campaigns, outreach and agent inboxes. Compare monthly sends and daily caps; contacts, seats and inboxes are not sending allowances. Budget separately for dedicated IPs, validation and attachments.

Email APIs feature comparison

Email APIs	Klaviyo	SuprSend
Notifications/mo	Not listed	10,000
Additional notifications	Not listed	Switch to Essentials
Email	Not listed
SMS	Not listed
Whatsapp	Not listed
Mobile Push	Not listed
Web Push	Not listed
Slack	Not listed
MS Teams	Not listed
In-app	Not listed
Post data on Webhook	Not listed
Multiple Step Workflows	Not listed
Smart Channel Routing	Not listed
Branching	Not listed
Conditions	Not listed
Batching	Not listed
Digest	Not listed
Recipient's Timezone	Not listed
Best time to send (coming soon)	Not listed
Send in Work hours	Not listed
Throttling	Not listed
Fetch from API	Not listed
Webhook	Not listed
Provider Fallback	Not listed
End-to-end testing	Not listed
Workflow trigger via events (from Segment)	Not listed
Workflow management via API & CLI	Not listed
Version Control in Workflows	Not listed
WYSIWYG editors	Not listed
Internationalization (i18n) Support	Not listed
Test Templates	Not listed
GUI template editors	Not listed
Multi-lingual Templates	Not listed
Multi-tenant Templates	Not listed
Template management via API & CLI	Not listed
Version Control in Templates	Not listed
Channel Preferences	Not listed
Categories & Sub-category preferences	Not listed
Ready UI for Preference Center	Not listed
Hosted Preference Page	Not listed
Users	Not listed
Lists	Not listed
Objects (Non-user Recipient)	Not listed
Multi-tenant	Not listed
List sync via API	Not listed
List sync via third party (CDP, Mixpanel, Amplitude)	Not listed
List sync via database	Not listed
List sync via CSV upload	Not listed
Dynamic Lists on SuprSend	Not listed
Broadcast to List via API	Not listed
Broadcast to List from UI dashboard	Not listed
Per-tenant feed	Not listed
Per-tenant templates	Not listed
Per-tenant branding	Not listed
Per-tenant preferences	Not listed
Per-tenant provider routing	Not listed
In-app components	Not listed
Embeddable inbox	Not listed
Headless inbox	Not listed
Feed Filtering	Not listed
Toasts	Not listed
Modify Sent Notifications (coming soon)	Not listed
SuprSend Branding	Not listed
Log retention	Not listed	30 days
Step-by-step Workflow Logs	Not listed
Broadcast Logs	Not listed
Channel engagement data tracking	Not listed
User level logs	Not listed
Template analytics	Not listed
Inbound Webhooks for status & replies	Not listed
Logs sync to data warehouse	Not listed
Logs sync to Monitoring Tools (Datadog & many more)	Not listed
Logs sync to CDP (coming soon)	Not listed
Multiple Environments	Not listed
Multiple Projects (coming soon)	Not listed
Team Members	Not listed	Unlimited
Audit Trail	Not listed
Role Based Access Control	Not listed
2FA	Not listed
Google SSO	Not listed

Notifications/mo

Klaviyo: Not listed
SuprSend: 10,000

Additional notifications

Klaviyo: Not listed
SuprSend: Switch to Essentials

Klaviyo: Not listed
SuprSend

SMS

Klaviyo: Not listed
SuprSend

Klaviyo: Not listed
SuprSend

Mobile Push

Klaviyo: Not listed
SuprSend

Web Push

Klaviyo: Not listed
SuprSend

Slack

Klaviyo: Not listed
SuprSend

MS Teams

Klaviyo: Not listed
SuprSend

In-app

Klaviyo: Not listed
SuprSend

Post data on Webhook

Klaviyo: Not listed
SuprSend

Multiple Step Workflows

Klaviyo: Not listed
SuprSend

Smart Channel Routing

Klaviyo: Not listed
SuprSend

Branching

Klaviyo: Not listed
SuprSend

Conditions

Klaviyo: Not listed
SuprSend

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Which email providers fit your needs?

Klaviyo features & plan notes

E-commerce data
Omnichannel
Shopify ecosystem

Full pricing Official Pricing

SuprSend features & plan notes

Multi-channel support including Email, SMS, Push, In-App Inbox, WhatsApp, Slack, and MS Teams
Visual workflow engine for branching, routing, batching, and digest scheduling
Centralized template management with WYSIWYG editor, version control, and multi-lingual (i18n) localization
Pre-built in-app feed SDKs and customizable preference center
No Credit Card required
10k Notifications/mo
Switch to Essentials for additional notifications
Unlimited Channels
In-app notification feed (with SuprSend branding)
Branching & Conditions
Lists & Broadcasts
Unlimited Team Members
Premium Features Unlock all features for 30 days trial, after which account transitions to Free Plan

Full pricing Official Pricing API

How to compare email providers

Browse Email APIs pricing

Klaviyo vs SuprSend — FAQ

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