Opportunities › All markets › Agent email APIs
Agent email APIs
Customers already pay 15 companies here.
Checked Jul 2026
- Players
- 15
- Typical revenue
- $75K
- Typically founded
- 2025
- Trends Score
- 69
Trends Score rates how good a market is for someone starting now, out of 100.
One agent email API makes $1.5M a year. See which one.
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Who's in it
Showing 3 of 15
| Company | Revenue | Founded |
|---|---|---|
| Nylas | $41M | 2013 |
| Resend | $22M | 2023 |
| Unipile | $1.7M | 2020 |
An agent email API started in 2025 now makes $834K a year.
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Who founded each one, with their X handles: Inside Trends Pro →
What they earn, and when they started
Founders read Trends.vc
"This is one of my top 3 email newsletters that I subscribe to."Hiten Shah, Nira
"The amount of value Dru is creating for entrepreneurs is hard to put into words."Andrew Gazdecki, MicroAcquire
"Dru really impressed with what you're doing with Trends.vc! It's so well done."Justin Jackson, Transistor.fm
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Questions
- How many agent email APIs are there?
- Customers already pay 15. They include Nylas, Resend, Unipile.
- How much do agent email APIs make?
- Typical revenue is $75K a year. Across the 15, revenue runs from $7K to $41M.
- When were agent email APIs founded?
- Typically in 2025. The newest started in 2026.