Email APIs · side by side
Nitrosend vs Resend
Compare Nitrosend, Resend by sending volume, delivery webhooks, inbound email, domain limits and retention.
Email APIs pricing calculator
0
Nitrosend
$0 / mo
Free · 0 emails
Resend
$0 / mo
Free · 0 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 | Nitrosend | Resend |
|---|---|---|
| Provider | Nitrosend Pty Ltd | Resend |
| Billing unit | emails | emails |
| Plan at selected usage | Free | Free |
| Monthly estimate | $0/mo | $0/mo |
| Workload | 0 emails | 0 emails |
| Free access | 8,000 starter emails up front, then 500 emails/month with unlimited contacts, 1 seat, and full MCP/API/CLI access | 3,000 emails/mo |
| Published plans | Free, Pro, Ultra, Enterprise | Free, Pro, Scale, Enterprise |
| Prices checked | 2026-10-08 | 2026-10-08 |
Provider
- Nitrosend
- Nitrosend Pty Ltd
- Resend
- Resend
Billing unit
- Nitrosend
- emails
- Resend
- emails
Plan at selected usage
- Nitrosend
- Free
- Resend
- Free
Monthly estimate
- Nitrosend
- $0/mo
- Resend
- $0/mo
Workload
- Nitrosend
- 0 emails
- Resend
- 0 emails
Free access
- Nitrosend
- 8,000 starter emails up front, then 500 emails/month with unlimited contacts, 1 seat, and full MCP/API/CLI access
- Resend
- 3,000 emails/mo
Published plans
- Nitrosend
- Free, Pro, Ultra, Enterprise
- Resend
- Free, Pro, Scale, Enterprise
Prices checked
- Nitrosend
- 2026-10-08
- Resend
- 2026-10-08
Email APIs monthly cost
Nitrosend: $0Resend: $0
Cost by emails
Cost curve data
| emails | Nitrosend | Resend |
|---|---|---|
| 0 | $0 | $0 |
| 0 | $0 | $0 |
| 0 | $0 | $0 |
| 0 | $0 | $0 |
| 0 | $0 | $0 |
| 0 | $0 | $0 |
| 0 | $0 | $0 |
0
- Nitrosend
- $0
- Resend
- $0
0
- Nitrosend
- $0
- Resend
- $0
0
- Nitrosend
- $0
- Resend
- $0
0
- Nitrosend
- $0
- Resend
- $0
0
- Nitrosend
- $0
- Resend
- $0
0
- Nitrosend
- $0
- Resend
- $0
0
- Nitrosend
- $0
- Resend
- $0
Email APIs feature comparison
| Email APIs | Nitrosend | Resend |
|---|---|---|
| Dedicated IP | Not listed | |
| Single sign-on | Not listed | |
| Emails per month | 8,000 then 500/mo | Not listed |
| AI actions | 20 | Not listed |
| Extra emails | Not listed | |
| Extra AI actions | Not listed | |
| Contacts | Free & Unlimited | Not listed |
| Brands | 3 | Not listed |
| Domains | 1 | Not listed |
| Recipients / rolling 24h — Probation | 100 | Not listed |
| Recipients / rolling 24h — Standard | 500 | Not listed |
| Recipients / rolling 24h — Trusted | 5,000 | Not listed |
| Included email validation | None | Not listed |
| Seats | 1 | Not listed |
| Nitrosend branding | Shown | Not listed |
| Frontier AI models | Not listed | |
| BYO sending keys | Not listed | |
| BYO AI keys | Not listed | |
| MCP access | Not listed | |
| REST API + SDK | Not listed | |
| CLI access | Not listed | |
| AI copywriting | Not listed | |
| NitroWheel LLM | Not listed | |
| Campaigns & flows | Not listed | |
| SSO / SAML | Not listed | |
| Priority support | Not listed | |
| 99.9% SLA | Not listed | |
| Daily limit | Not listed | 100 |
| 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 | Not listed | 3 |
| Additional domains | Not listed | |
| Dedicated IPs | 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 | Not listed | 30 days |
| Deliverability insights | Not listed | |
| DKIM, SPF, DMARC authentication | Not listed | |
| Webhook endpoints | Not listed | 1 endpoint |
| Webhook events | Not listed | All events |
| 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 | Not listed | 5 |
Dedicated IP
- Nitrosend
- Resend
- Not listed
Single sign-on
- Nitrosend
- Not listed
- Resend
Emails per month
- Nitrosend
- 8,000 then 500/mo
- Resend
- Not listed
AI actions
- Nitrosend
- 20
- Resend
- Not listed
Extra emails
- Nitrosend
- Resend
- Not listed
Extra AI actions
- Nitrosend
- Resend
- Not listed
Contacts
- Nitrosend
- Free & Unlimited
- Resend
- Not listed
Brands
- Nitrosend
- 3
- Resend
- Not listed
Domains
- Nitrosend
- 1
- Resend
- Not listed
Recipients / rolling 24h — Probation
- Nitrosend
- 100
- Resend
- Not listed
Recipients / rolling 24h — Standard
- Nitrosend
- 500
- Resend
- Not listed
Recipients / rolling 24h — Trusted
- Nitrosend
- 5,000
- Resend
- Not listed
Included email validation
- Nitrosend
- None
- Resend
- Not listed
Seats
- Nitrosend
- 1
- Resend
- Not listed
Nitrosend branding
- Nitrosend
- Shown
- Resend
- Not listed
Frontier AI models
- Nitrosend
- Resend
- Not listed
BYO sending keys
- Nitrosend
- Resend
- Not listed
BYO AI keys
- Nitrosend
- Resend
- Not listed
MCP access
- Nitrosend
- Resend
- Not listed
REST API + SDK
- Nitrosend
- Resend
- Not listed
CLI access
- Nitrosend
- Resend
- Not listed
AI copywriting
- Nitrosend
- Resend
- Not listed
NitroWheel LLM
- Nitrosend
- Resend
- Not listed
Campaigns & flows
- Nitrosend
- Resend
- Not listed
SSO / SAML
- Nitrosend
- Resend
- Not listed
Priority support
- Nitrosend
- Resend
- Not listed
99.9% SLA
- Nitrosend
- Resend
- Not listed
Daily limit
- Nitrosend
- Not listed
- Resend
- 100
Inbound emails
- Nitrosend
- Not listed
- Resend
RESTful API
- Nitrosend
- Not listed
- Resend
SMTP relay
- Nitrosend
- Not listed
- Resend
Official SDKs
- Nitrosend
- Not listed
- Resend
Schedule emails
- Nitrosend
- Not listed
- Resend
Batch sending
- Nitrosend
- Not listed
- Resend
Open tracking
- Nitrosend
- Not listed
- Resend
Link tracking
- Nitrosend
- Not listed
- Resend
React Email
- Nitrosend
- Not listed
- Resend
Custom domains
- Nitrosend
- Not listed
- Resend
- 3
Additional domains
- Nitrosend
- Not listed
- Resend
Dedicated IPs
- Nitrosend
- Not listed
- Resend
Dedicated IP warming
- Nitrosend
- Not listed
- Resend
Pristine shared IPs
- Nitrosend
- Not listed
- Resend
Automatic suppression list
- Nitrosend
- Not listed
- Resend
Bounce details
- Nitrosend
- Not listed
- Resend
Multi-region
- Nitrosend
- Not listed
- Resend
Data retention
- Nitrosend
- Not listed
- Resend
- 30 days
Deliverability insights
- Nitrosend
- Not listed
- Resend
DKIM, SPF, DMARC authentication
- Nitrosend
- Not listed
- Resend
Webhook endpoints
- Nitrosend
- Not listed
- Resend
- 1 endpoint
Webhook events
- Nitrosend
- Not listed
- Resend
- All events
Social login
- Nitrosend
- Not listed
- Resend
GDPR compliance
- Nitrosend
- Not listed
- Resend
SOC 2 Type II certification
- Nitrosend
- Not listed
- Resend
Penetration testing
- Nitrosend
- Not listed
- Resend
DDoS protection
- Nitrosend
- Not listed
- Resend
Automated backups
- Nitrosend
- Not listed
- Resend
Multi-factor authentication
- Nitrosend
- Not listed
- Resend
API key permissions
- Nitrosend
- Not listed
- Resend
Signed webhook endpoints
- Nitrosend
- Not listed
- Resend
Ticket support
- Nitrosend
- Not listed
- Resend
Slack support
- Nitrosend
- Not listed
- Resend
Urgent response SLA
- Nitrosend
- Not listed
- Resend
Deliverability expertise
- Nitrosend
- Not listed
- Resend
In-app documentation
- Nitrosend
- Not listed
- Resend
AI assistant
- Nitrosend
- Not listed
- Resend
AI credits / mo
- Nitrosend
- Not listed
- Resend
- 5
Showing 15 of 66
Which email providers fit your needs?
Nitrosend features & plan notes
- Native support for AI agents via Model Context Protocol (MCP), REST API, and CLI
- Unified sending for newsletters, transactional emails, and automated lifecycle flows
- Unlimited contacts included on all plans with pricing based solely on send volume
- Automated brand kit formatting and AI copywriting powered by NitroWheel LLM
- Support for bringing your own sending infrastructure (e.g., SES, Mailgun) and AI API keys
- Emails 8,000 then 500/mo
- Email types Transactional & Marketing
- AI actions 20/mo
- Contacts Free & Unlimited
- Brands 3
- MCP/API/CLI Included
- Seats 1
- Recipients / rolling 24h 100–5,000
- Email validation Prepaid only
Resend features & plan notes
- React Email
- Simple API
- Webhooks
- 100 emails a day
- 3 domains
- Ticket support
- 10,000 automation runs
- 30-day data retention
- Single Sign-On
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