Free$0 /mo
For hobby projects and early experiments with transactional email.
1 project
10k tracked emails / month
1-day log retention
1 provider connection
Simple platform pricing for bring-your-own-provider email teams.
Your provider still handles raw sending. Carbon charges for the API layer, logs, routing, templates, and team workflows around it.
Starter$9 /mo
For solo builders validating the first production workflow.
3 projects
25k tracked emails / month
7-day log retention
2 provider connections
Pro$19 /mo
For growing SaaS apps that need templates, webhooks, and flexibility.
10 projects
100k tracked emails / month
30-day log retention
5 provider connections
Business$49 /mo
For scaling teams that want to route by region, reliability, or cost.
20 projects
500k tracked emails / month
60-day log retention
10 provider connections
Carbon is priced around software value, not provider markup.
Unified API, provider switching, logs, templates, webhook normalization, and dashboards.
SMTP2GO, SES, Mailgun, SendGrid, Postmark, or any provider you already trust.
Move from a single provider setup to fallback routing and team workflows as usage grows.