Email APIs · side by side
Courier vs SparkPost
Compare Courier, SparkPost 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.
Courier
SparkPost
Courier
$0 / mo
Developer · 0 sends
SparkPost
$80 / mo
Growth · 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 | Courier | SparkPost |
|---|---|---|
| Provider | trycourier.com, Inc. | Bird |
| Billing unit | sends | emails |
| Plan at selected usage | Developer | Growth |
| Monthly estimate | $0/mo | $80/mo |
| Workload | 0 sends | 100K emails |
| Free access | Developer plan includes 10,000 free sends per month with journeys, broadcasts, SDKs, CLI, and MCP server support. | Trial availability varies |
| Published plans | Developer, Business, Enterprise | Free, Startup, Growth, Enterprise |
| Prices checked | 2026-10-08 | 2026-10-08 |
- Courier
- trycourier.com, Inc.
- SparkPost
- Bird
- Courier
- sends
- SparkPost
- emails
- Courier
- Developer
- SparkPost
- Growth
- Courier
- $0/mo
- SparkPost
- $80/mo
- Courier
- 0 sends
- SparkPost
- 100K emails
- Courier
- Developer plan includes 10,000 free sends per month with journeys, broadcasts, SDKs, CLI, and MCP server support.
- SparkPost
- Trial availability varies
- Courier
- Developer, Business, Enterprise
- SparkPost
- Free, Startup, Growth, Enterprise
- Courier
- 2026-10-08
- SparkPost
- 2026-10-08
Email APIs monthly cost
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 | Courier | SparkPost |
|---|---|---|
| Sending domains | Not listed | 1,000 |
| Number of notification | 10,000 per month | Not listed |
| Log retention | 7 days | Not listed |
| Emails / month | Not listed | 100K to 2.5M |
| Webhook endpoints | Not listed | 10 |
| Sending IP | Not listed | Dedicated IPs (add-on) |
- Courier
- Not listed
- SparkPost
- 1,000
- Courier
- 10,000 per month
- SparkPost
- Not listed
- Courier
- 7 days
- SparkPost
- Not listed
- Courier
- Not listed
- SparkPost
- 100K to 2.5M
- Courier
- Not listed
- SparkPost
- 10
- Courier
- Not listed
- SparkPost
- Dedicated IPs (add-on)
Which email providers fit your needs?
Courier features & plan notes
- Multi-channel routing across email, SMS, push, in-app inbox, Slack, Teams, and WhatsApp via a single API
- Drop-in notification center and toasts for web and mobile applications
- Visual template builder and journey workflows with automatic provider failover across 50+ integrations
- Developer and AI tooling including official MCP server, CLI, and client/server SDKs
- Pay-as-you-go pricing at $0.005 per send on all channels with no per-seat fees
- 10,000 sends per month
- Journeys & broadcasts
- MCP server, CLI, & SDKs
- SSO via Google, Github
- Email & chat support
SparkPost features & plan notes
- Deliverability analytics
- Enterprise scale
- Predictive signals
- 10 webhook endpoints
- 1,000 sending domains
- Dedicated IPs (add-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