How do Resend and SuprSend prices compare?

Resend: $90/month on Scale at 100,000 emails. 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 Resend list?

React Email, Simple API, Webhooks. Free access: 3,000 emails/mo. 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

Resend vs SuprSend

Compare Resend, 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.

Resend

Monthly emails

100K

SuprSend

Monthly notifications

Resend

$90 / mo

Scale · 100K emails

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	Resend	SuprSend
Provider	Resend	SuprStack Inc.
Billing unit	emails	notifications
Plan at selected usage	Scale	Free
Monthly estimate	$90/mo	$0/mo
Workload	100K emails	0 notifications
Free access	3,000 emails/mo	Free plan includes up to 10,000 notifications per month across unlimited channels with community support.
Published plans	Free, Pro, Scale, Enterprise	Free, Essentials, Business, Enterprise
Prices checked	2026-10-08	2026-10-08

Provider

Resend: Resend
SuprSend: SuprStack Inc.

Billing unit

Resend: emails
SuprSend: notifications

Plan at selected usage

Resend: Scale
SuprSend: Free

Monthly estimate

Resend: $90/mo
SuprSend: $0/mo

Workload

Resend: 100K emails
SuprSend: 0 notifications

Free access

Resend: 3,000 emails/mo
SuprSend: Free plan includes up to 10,000 notifications per month across unlimited channels with community support.

Published plans

Resend: Free, Pro, Scale, Enterprise
SuprSend: Free, Essentials, Business, Enterprise

Prices checked

Resend: 2026-10-08
SuprSend: 2026-10-08

Email APIs monthly cost

Resend: $90SuprSend: $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	Resend	SuprSend
Single sign-on	With add-on	Not listed
Daily limit	No limit	Not listed
Inbound emails		Not listed
RESTful API		Not listed
SMTP relay		Not listed
Official SDKs		Not listed
Schedule emails		Not listed
Batch sending		Not listed
Open tracking		Not listed
Link tracking		Not listed
React Email		Not listed
Custom domains	1,000	Not listed
Additional domains	With add-on	Not listed
Dedicated IPs	With add-on	Not listed
Dedicated IP warming		Not listed
Pristine shared IPs		Not listed
Automatic suppression list		Not listed
Bounce details		Not listed
Multi-region		Not listed
Data retention	30 days	Not listed
Deliverability insights		Not listed
DKIM, SPF, DMARC authentication		Not listed
Webhook endpoints	10 endpoints	Not listed
Webhook events	All events	Not listed
Social login		Not listed
GDPR compliance		Not listed
SOC 2 Type II certification		Not listed
Penetration testing		Not listed
DDoS protection		Not listed
Automated backups		Not listed
Multi-factor authentication		Not listed
API key permissions		Not listed
Signed webhook endpoints		Not listed
Ticket support		Not listed
Slack support		Not listed
Urgent response SLA		Not listed
Deliverability expertise		Not listed
In-app documentation		Not listed
AI assistant		Not listed
AI credits / mo	500	Not listed
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

Single sign-on

Resend: With add-on
SuprSend: Not listed

Daily limit

Resend: No limit
SuprSend: Not listed

Inbound emails

Resend
SuprSend: Not listed

RESTful API

Resend
SuprSend: Not listed

SMTP relay

Resend
SuprSend: Not listed

Official SDKs

Resend
SuprSend: Not listed

Schedule emails

Resend
SuprSend: Not listed

Batch sending

Resend
SuprSend: Not listed

Open tracking

Resend
SuprSend: Not listed

Link tracking

Resend
SuprSend: Not listed

React Email

Resend
SuprSend: Not listed

Custom domains

Resend: 1,000
SuprSend: Not listed

Additional domains

Resend: With add-on
SuprSend: Not listed

Dedicated IPs

Resend: With add-on
SuprSend: Not listed

Dedicated IP warming

Resend
SuprSend: Not listed

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Which email providers fit your needs?

Resend features & plan notes

React Email
Simple API
Webhooks
All Pro features
1,000 domains
Dedicated Slack channel
10 webhook endpoints
500 AI credits / mo
SSO with add-on
Dedicated IP with add-on

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

Resend vs SuprSend — FAQ

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