Email APIs · side by side
Inboxroad vs SendGrid
Compare Inboxroad, SendGrid by sending volume, delivery webhooks, inbound email, domain limits and retention.
Email APIs pricing calculator
0
Inboxroad
Custom / not listed
No priced plan for this volume · 0 emails
SendGrid
$0 / mo
Free Trial · 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 | Inboxroad | SendGrid |
|---|---|---|
| Provider | Inboxroad B.V. | Twilio |
| Billing unit | emails | emails |
| Plan at selected usage | No priced plan for this volume | Free Trial |
| Monthly estimate | Custom / not listed | $0/mo |
| Workload | 0 emails | 0 emails |
| Free access | 1,000 free emails per month | 100 emails/day (trial) |
| Published plans | SMTP, Email, Email Pro | Free Trial, Essentials, Pro, Premier |
| Prices checked | 2026-10-08 | 2026-10-08 |
Provider
- Inboxroad
- Inboxroad B.V.
- SendGrid
- Twilio
Billing unit
- Inboxroad
- emails
- SendGrid
- emails
Plan at selected usage
- Inboxroad
- No priced plan for this volume
- SendGrid
- Free Trial
Monthly estimate
- Inboxroad
- Custom / not listed
- SendGrid
- $0/mo
Workload
- Inboxroad
- 0 emails
- SendGrid
- 0 emails
Free access
- Inboxroad
- 1,000 free emails per month
- SendGrid
- 100 emails/day (trial)
Published plans
- Inboxroad
- SMTP, Email, Email Pro
- SendGrid
- Free Trial, Essentials, Pro, Premier
Prices checked
- Inboxroad
- 2026-10-08
- SendGrid
- 2026-10-08
Email APIs monthly cost
Inboxroad: Not pricedSendGrid: $0
Cost by emails
Cost curve data
| emails | Inboxroad | SendGrid |
|---|---|---|
| 0 | Not priced | $0 |
| 0 | Not priced | $0 |
| 0 | Not priced | $0 |
| 0 | Not priced | $0 |
| 0 | Not priced | $0 |
| 0 | Not priced | $0 |
| 0 | Not priced | $0 |
0
- Inboxroad
- Not priced
- SendGrid
- $0
0
- Inboxroad
- Not priced
- SendGrid
- $0
0
- Inboxroad
- Not priced
- SendGrid
- $0
0
- Inboxroad
- Not priced
- SendGrid
- $0
0
- Inboxroad
- Not priced
- SendGrid
- $0
0
- Inboxroad
- Not priced
- SendGrid
- $0
0
- Inboxroad
- Not priced
- SendGrid
- $0
Email APIs feature comparison
| Email APIs | Inboxroad | SendGrid |
|---|---|---|
| Single sign-on | 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 | |
| Dedicated IP Pooling | Not listed | |
| Automated, dedicated IP warm up | Not listed | |
| Email Address Validation API | Not listed | |
| 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 | Not listed | |
| GDPR Compliance | Not listed | |
| Data Residency (EU) | Not listed | |
| Event Webhook Security | Not listed | |
| Event Webhook | Not listed | 1 included |
| Deliverability Insights | Not listed | |
| 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 | 3 days included |
| Additional Email Activity History | Not listed | |
| Sender Engagement Quality Score | Not listed | |
| Email Logs | Not listed | |
| Access to Expert Services | Not listed | |
| Access to Personalized Support | Not listed | |
| Expert Email Program Management | Not listed | |
| Dynamic Templates | Not listed | |
| Email Content Testing | Not listed | |
| Teammate Permissions | Not listed | 1 teammate |
| API Key Permissions | Not listed | |
| Subuser Management | Not listed |
Single sign-on
- Inboxroad
- Not listed
- SendGrid
SMTP and API
- Inboxroad
- Not listed
- SendGrid
Comprehensive Client Libraries
- Inboxroad
- Not listed
- SendGrid
Setup Guide
- Inboxroad
- Not listed
- SendGrid
Interactive API Docs
- Inboxroad
- Not listed
- SendGrid
Knowledge Center
- Inboxroad
- Not listed
- SendGrid
Purpose-Built Mail Transfer Agent
- Inboxroad
- Not listed
- SendGrid
Domain Authentication (SPF/DKIM)
- Inboxroad
- Not listed
- SendGrid
Dedicated IP Addresses
- Inboxroad
- Not listed
- SendGrid
Dedicated IP Pooling
- Inboxroad
- Not listed
- SendGrid
Automated, dedicated IP warm up
- Inboxroad
- Not listed
- SendGrid
Email Address Validation API
- Inboxroad
- Not listed
- SendGrid
Reputation & Delivery Visibility
- Inboxroad
- Not listed
- SendGrid
Suppression Management
- Inboxroad
- Not listed
- SendGrid
Globally Distributed Architecture
- Inboxroad
- Not listed
- SendGrid
Link Branding
- Inboxroad
- Not listed
- SendGrid
Reverse DNS
- Inboxroad
- Not listed
- SendGrid
Universal Links
- Inboxroad
- Not listed
- SendGrid
IP Access Management
- Inboxroad
- Not listed
- SendGrid
Two-Factor Authentication
- Inboxroad
- Not listed
- SendGrid
TLS Encryption
- Inboxroad
- Not listed
- SendGrid
SOC 2 Type II Certification
- Inboxroad
- Not listed
- SendGrid
GDPR Compliance
- Inboxroad
- Not listed
- SendGrid
Data Residency (EU)
- Inboxroad
- Not listed
- SendGrid
Event Webhook Security
- Inboxroad
- Not listed
- SendGrid
Event Webhook
- Inboxroad
- Not listed
- SendGrid
- 1 included
Deliverability Insights
- Inboxroad
- Not listed
- SendGrid
Real-Time Analytics
- Inboxroad
- Not listed
- SendGrid
Advanced Statistics
- Inboxroad
- Not listed
- SendGrid
Inbound Parse Webhook
- Inboxroad
- Not listed
- SendGrid
Bounce and Block Classifications
- Inboxroad
- Not listed
- SendGrid
Engagement Tracking
- Inboxroad
- Not listed
- SendGrid
ISP Feedback Loop Data
- Inboxroad
- Not listed
- SendGrid
Subuser Comparison Statistics
- Inboxroad
- Not listed
- SendGrid
Searchable Email Activity
- Inboxroad
- Not listed
- SendGrid
- 3 days included
Additional Email Activity History
- Inboxroad
- Not listed
- SendGrid
Sender Engagement Quality Score
- Inboxroad
- Not listed
- SendGrid
Email Logs
- Inboxroad
- Not listed
- SendGrid
Access to Expert Services
- Inboxroad
- Not listed
- SendGrid
Access to Personalized Support
- Inboxroad
- Not listed
- SendGrid
Expert Email Program Management
- Inboxroad
- Not listed
- SendGrid
Dynamic Templates
- Inboxroad
- Not listed
- SendGrid
Email Content Testing
- Inboxroad
- Not listed
- SendGrid
Teammate Permissions
- Inboxroad
- Not listed
- SendGrid
- 1 teammate
API Key Permissions
- Inboxroad
- Not listed
- SendGrid
Subuser Management
- Inboxroad
- Not listed
- SendGrid
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Which email providers fit your needs?
Inboxroad features & plan notes
- SMTP relay and REST APIs for marketing and transactional emails
- Dedicated IP addresses with automated IP warm-up schedules
- Per-ISP send-rate controls and integrated Feedback Loops (FBLs)
- Drag-and-drop campaign email builder and HTML editor
- Real-time event webhooks and delivery monitoring
SendGrid features & plan notes
- Marketing + transactional
- Mature deliverability
- Analytics & deliverability optimization
- Additional teammates: 1
- Event webhook: 1
- Email validation: 0
- Dynamic templates: Editor
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