Email APIs · side by side
Resend vs SendGrid
Compare Resend, SendGrid by sending volume, delivery webhooks, inbound email, domain limits and retention.
Email APIs pricing calculator
100K
Resend
$90 / mo
Scale · 100K emails
SendGrid
$90 / mo
Pro · 100K emails
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 | SendGrid |
|---|---|---|
| Provider | Resend | Twilio |
| Billing unit | emails | emails |
| Plan at selected usage | Scale | Pro |
| Monthly estimate | $90/mo | $90/mo |
| Workload | 100K emails | 100K emails |
| Free access | 3,000 emails/mo | 100 emails/day (trial) |
| Published plans | Free, Pro, Scale, Enterprise | Free trial, Essentials, Pro, Premier |
| Prices checked | 2026-10-08 | 2026-09-25 |
Provider
- Resend
- Resend
- SendGrid
- Twilio
Billing unit
- Resend
- emails
- SendGrid
- emails
Plan at selected usage
- Resend
- Scale
- SendGrid
- Pro
Monthly estimate
- Resend
- $90/mo
- SendGrid
- $90/mo
Workload
- Resend
- 100K emails
- SendGrid
- 100K emails
Free access
- Resend
- 3,000 emails/mo
- SendGrid
- 100 emails/day (trial)
Published plans
- Resend
- Free, Pro, Scale, Enterprise
- SendGrid
- Free trial, Essentials, Pro, Premier
Prices checked
- Resend
- 2026-10-08
- SendGrid
- 2026-09-25
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Email APIs monthly cost
Resend: $90SendGrid: $90
Cost by emails
Cost curve data
| emails | Resend | SendGrid |
|---|---|---|
| 0 | $0 | $0 |
| 25K | $20 | $20 |
| 50K | $20 | $20 |
| 100K | $90 | $90 |
| 200K | $155 | $170 |
| 500K | $425 | $450 |
| 1M | $875 | $900 |
0
- Resend
- $0
- SendGrid
- $0
25K
- Resend
- $20
- SendGrid
- $20
50K
- Resend
- $20
- SendGrid
- $20
100K
- Resend
- $90
- SendGrid
- $90
200K
- Resend
- $155
- SendGrid
- $170
500K
- Resend
- $425
- SendGrid
- $450
1M
- Resend
- $875
- SendGrid
- $900
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Email APIs feature comparison
| Email APIs | Resend | SendGrid |
|---|---|---|
| Sending methods | REST API + SMTP | REST API + SMTP |
| Inbound processing | Inbound Parse | |
| Sending domains | 1,000 | 3,000 domains |
| Activity retention | 30 days | 7 days |
| Webhooks & events | 10 endpoints | |
| Dedicated IP | $30/mo add-on | |
| Single sign-on | $150/mo add-on | SSO |
| Support | Dedicated Slack + urgent SLA | Ticket, chat + phone |
| 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 | ||
| DKIM, SPF, DMARC authentication | Not listed | |
| Webhook endpoints | 10 endpoints | Not listed |
| Webhook events | All events | Not listed |
| Social login | Not listed | |
| GDPR compliance | ||
| SOC 2 Type II certification | ||
| Penetration testing | Not listed | |
| DDoS protection | Not listed | |
| Automated backups | Not listed | |
| Multi-factor authentication | Not listed | |
| API key permissions | ||
| 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 |
| SMTP and API | Not listed | |
| Comprehensive Client Libraries | Not listed | |
| Setup Guide | Not listed | |
| Interactive API Docs | Not listed | |
| Knowledge Center | Not listed | |
| Purpose-Built Mail Transfer Agent | Not listed | |
| Domain Authentication (SPF/DKIM) | Not listed | |
| Dedicated IP Addresses | Not listed | 1 included* |
| Dedicated IP Pooling | Not listed | |
| Automated, dedicated IP warm up | Not listed | |
| Email Address Validation API | Not listed | 2,500 free validations included |
| Reputation & Delivery Visibility | Not listed | |
| Suppression Management | Not listed | |
| Globally Distributed Architecture | Not listed | |
| Link Branding | Not listed | |
| Reverse DNS | Not listed | |
| Universal Links | Not listed | |
| IP Access Management | Not listed | |
| Two-Factor Authentication | Not listed | |
| TLS Encryption | Not listed | |
| SOC 2 Type II Certification | ||
| GDPR Compliance | ||
| Data Residency (EU) | Not listed | |
| Event Webhook Security | Not listed | |
| Event Webhook | Not listed | 5 included |
| Deliverability Insights | ||
| Real-Time Analytics | Not listed | |
| Advanced Statistics | Not listed | |
| Inbound Parse Webhook | Not listed | |
| Bounce and Block Classifications | Not listed | |
| Engagement Tracking | Not listed | |
| ISP Feedback Loop Data | Not listed | |
| Subuser Comparison Statistics | Not listed | |
| Searchable Email Activity | Not listed | 7 days of history |
| Additional Email Activity History | Not listed | Available for purchase |
| Sender Engagement Quality Score | Not listed | |
| Email Logs | Not listed | |
| Access to Expert Services | Not listed | Available for purchase |
| Access to Personalized Support | Not listed | Available for purchase |
| Expert Email Program Management | Not listed | |
| Dynamic Templates | Not listed | |
| Email Content Testing | Not listed | 60 credits/mo (more for purchase) |
| Teammate Permissions | Not listed | 1,000 teammates |
| API Key Permissions | ||
| Subuser Management | Not listed |
Sending methods
- Resend
- REST API + SMTP
- SendGrid
- REST API + SMTP
Inbound processing
- Resend
- SendGrid
- Inbound Parse
Sending domains
- Resend
- 1,000
- SendGrid
- 3,000 domains
Activity retention
- Resend
- 30 days
- SendGrid
- 7 days
Webhooks & events
- Resend
- 10 endpoints
- SendGrid
Dedicated IP
- Resend
- $30/mo add-on
- SendGrid
Single sign-on
- Resend
- $150/mo add-on
- SendGrid
- SSO
Support
- Resend
- Dedicated Slack + urgent SLA
- SendGrid
- Ticket, chat + phone
Daily limit
- Resend
- No limit
- SendGrid
- Not listed
Inbound emails
- Resend
- SendGrid
- Not listed
RESTful API
- Resend
- SendGrid
- Not listed
SMTP relay
- Resend
- SendGrid
- Not listed
Official SDKs
- Resend
- SendGrid
- Not listed
Schedule emails
- Resend
- SendGrid
- Not listed
Batch sending
- Resend
- SendGrid
- Not listed
Open tracking
- Resend
- SendGrid
- Not listed
Link tracking
- Resend
- SendGrid
- Not listed
React Email
- Resend
- SendGrid
- Not listed
Custom domains
- Resend
- 1,000
- SendGrid
- Not listed
Additional domains
- Resend
- With add-on
- SendGrid
- Not listed
Dedicated IPs
- Resend
- With add-on
- SendGrid
- Not listed
Dedicated IP warming
- Resend
- SendGrid
- Not listed
Pristine shared IPs
- Resend
- SendGrid
- Not listed
Automatic suppression list
- Resend
- SendGrid
- Not listed
Bounce details
- Resend
- SendGrid
- Not listed
Multi-region
- Resend
- SendGrid
- Not listed
Data retention
- Resend
- 30 days
- SendGrid
- Not listed
Deliverability insights
- Resend
- SendGrid
DKIM, SPF, DMARC authentication
- Resend
- SendGrid
- Not listed
Webhook endpoints
- Resend
- 10 endpoints
- SendGrid
- Not listed
Webhook events
- Resend
- All events
- SendGrid
- Not listed
Social login
- Resend
- SendGrid
- Not listed
GDPR compliance
- Resend
- SendGrid
SOC 2 Type II certification
- Resend
- SendGrid
Penetration testing
- Resend
- SendGrid
- Not listed
DDoS protection
- Resend
- SendGrid
- Not listed
Automated backups
- Resend
- SendGrid
- Not listed
Multi-factor authentication
- Resend
- SendGrid
- Not listed
API key permissions
- Resend
- SendGrid
Signed webhook endpoints
- Resend
- SendGrid
- Not listed
Ticket support
- Resend
- SendGrid
- Not listed
Slack support
- Resend
- SendGrid
- Not listed
Urgent response SLA
- Resend
- SendGrid
- Not listed
Deliverability expertise
- Resend
- SendGrid
- Not listed
In-app documentation
- Resend
- SendGrid
- Not listed
AI assistant
- Resend
- SendGrid
- Not listed
AI credits / mo
- Resend
- 500
- SendGrid
- Not listed
SMTP and API
- Resend
- Not listed
- SendGrid
Comprehensive Client Libraries
- Resend
- Not listed
- SendGrid
Setup Guide
- Resend
- Not listed
- SendGrid
Interactive API Docs
- Resend
- Not listed
- SendGrid
Knowledge Center
- Resend
- Not listed
- SendGrid
Purpose-Built Mail Transfer Agent
- Resend
- Not listed
- SendGrid
Domain Authentication (SPF/DKIM)
- Resend
- Not listed
- SendGrid
Dedicated IP Addresses
- Resend
- Not listed
- SendGrid
- 1 included*
Dedicated IP Pooling
- Resend
- Not listed
- SendGrid
Automated, dedicated IP warm up
- Resend
- Not listed
- SendGrid
Email Address Validation API
- Resend
- Not listed
- SendGrid
- 2,500 free validations included
Reputation & Delivery Visibility
- Resend
- Not listed
- SendGrid
Suppression Management
- Resend
- Not listed
- SendGrid
Globally Distributed Architecture
- Resend
- Not listed
- SendGrid
Link Branding
- Resend
- Not listed
- SendGrid
Reverse DNS
- Resend
- Not listed
- SendGrid
Universal Links
- Resend
- Not listed
- SendGrid
IP Access Management
- Resend
- Not listed
- SendGrid
Two-Factor Authentication
- Resend
- Not listed
- SendGrid
TLS Encryption
- Resend
- Not listed
- SendGrid
SOC 2 Type II Certification
- Resend
- SendGrid
GDPR Compliance
- Resend
- SendGrid
Data Residency (EU)
- Resend
- Not listed
- SendGrid
Event Webhook Security
- Resend
- Not listed
- SendGrid
Event Webhook
- Resend
- Not listed
- SendGrid
- 5 included
Deliverability Insights
- Resend
- SendGrid
Real-Time Analytics
- Resend
- Not listed
- SendGrid
Advanced Statistics
- Resend
- Not listed
- SendGrid
Inbound Parse Webhook
- Resend
- Not listed
- SendGrid
Bounce and Block Classifications
- Resend
- Not listed
- SendGrid
Engagement Tracking
- Resend
- Not listed
- SendGrid
ISP Feedback Loop Data
- Resend
- Not listed
- SendGrid
Subuser Comparison Statistics
- Resend
- Not listed
- SendGrid
Searchable Email Activity
- Resend
- Not listed
- SendGrid
- 7 days of history
Additional Email Activity History
- Resend
- Not listed
- SendGrid
- Available for purchase
Sender Engagement Quality Score
- Resend
- Not listed
- SendGrid
Email Logs
- Resend
- Not listed
- SendGrid
Access to Expert Services
- Resend
- Not listed
- SendGrid
- Available for purchase
Access to Personalized Support
- Resend
- Not listed
- SendGrid
- Available for purchase
Expert Email Program Management
- Resend
- Not listed
- SendGrid
Dynamic Templates
- Resend
- Not listed
- SendGrid
Email Content Testing
- Resend
- Not listed
- SendGrid
- 60 credits/mo (more for purchase)
Teammate Permissions
- Resend
- Not listed
- SendGrid
- 1,000 teammates
API Key Permissions
- Resend
- SendGrid
Subuser Management
- Resend
- Not listed
- SendGrid
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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
SendGrid features & plan notes
- Marketing + transactional
- Mature deliverability
- Analytics & deliverability optimization
- Dedicated IPs included
- Subuser management
- Single sign-on (SSO)
- Additional teammates: 1,000
- Event webhook: 5
- Email validation: 2,500
- Dynamic templates: Editor and testing
How to compare email providers
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.
Browse Email APIs pricing