Unosend is a transactional email API service for developers. It uses credit-based pricing: $4 per credit, 1 credit = 10,000 emails, with no monthly subscription.

1 credit = 10,000 emails. Credits cost $4 each, are bought upfront, and are valid for 6 months.

What is the minimum purchase?

The minimum purchase is 5 credits ($20), which includes 50,000 emails. First-time purchases include a 10,000 email bonus.

Is Unosend better than Resend or SendGrid?

Unosend offers credit-based pricing, no monthly subscription, and a simpler REST API compared to alternatives like Resend and SendGrid.

What programming languages are supported?

Unosend works with any programming language via our simple REST API. Just make HTTP requests from JavaScript, Python, Go, PHP, Ruby, Java, or any other language.

How fast is email delivery?

Most emails are delivered within seconds. Unosend uses optimized infrastructure to ensure fast and reliable email delivery worldwide.

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Blog

News, updates, and stories from Unosend.

Unosend raises $250K pre-seed led by House of Summary.

We've raised $250K in pre-seed funding led by House of Summary to build the most developer-friendly email infrastructure on the planet.

February 26, 2026Unosend Team4 min read