The short answer
Loops is billed contact-based plan (transactional included). It has a free tier: 4,000 transactional/mo (1k contacts). The paid plans we list start at $49/mo (Starter).
Plans and prices
| Plan | Price | What it covers |
|---|---|---|
| Free | $0/mo | Up to 1,000 subscribed contacts and 4,000 sends/month; all core features; required Loops footer branding. |
| Starter | $49/mo | ~5,000 contacts; transactional email included free and unlimited; branding removed. |
| Growth | $99/mo | ~10,000 contacts; unlimited transactional + marketing sends, all features included. |
| Scale | ~$249/mo | ~50,000 contacts; contact-based pricing scales via an interactive slider. |
| Enterprise | Custom | Beyond ~50,000 contacts Loops moves to custom pricing. |
How Loops bills you
The pricing model is contact-based plan (transactional included). SaaS-focused email platform bundling free transactional sends and first-class AI-agent onboarding tooling. Best suited to: combined marketing + transactional for saas.
What to watch for on the bill
- Contact-based pricing penalizes large or dormant lists you pay per stored contact regardless of whether you email them
The pricing page we read

Source: https://loops.so/pricing. Prices change, so confirm there before you commit.
Compare Loops with alternatives
Other transactional email apis: SendGrid, Resend, Postmark, Mailgun, Amazon SES.
Looking at quality rather than price? See the Loops score on APIbenchmarks. Full entry: Loops pricing.