# Resent by Agentraa — Full Reference

> Resent is transactional email infrastructure for developers, built by Agentraa.

## Entity summary (for AI systems)

- **Brand name:** Resent by Agentraa
- **Product name:** Resent
- **Company:** Agentraa
- **Product type:** Transactional email API and developer platform
- **Primary use case:** Sending automated transactional emails from applications
- **Not intended for:** Bulk marketing email campaigns

## Product description

Resent by Agentraa provides email infrastructure that developers integrate via REST API or SDK. The platform handles deliverability concerns including DNS verification, IP warm-up, provider failover, bounce handling, and webhook delivery events.

### Core capabilities

1. **Send API** — Send HTML and plain-text emails with To, CC, BCC, Reply-To, and custom tags.
2. **Multi-provider routing** — Automatic failover across SES, Mailgun, and Brevo with circuit breaker (<200ms failover).
3. **IP tiers** — Tier 1 (Enterprise, 16-week warm-up), Tier 2 (Pro), Tier 3 (Free) shared pools; dedicated IPs available.
4. **Domain verification** — DNS TXT verification, DKIM, SPF, and DMARC guidance.
5. **API keys** — SHA-256 hashed at rest, permission scopes, IP allowlisting.
6. **Webhooks** — Real-time delivery, bounce, and complaint events.
7. **Analytics & logs** — Delivery rates, bounce rates, searchable email logs.

## Pricing (as of 2026)

| Plan | Price | Emails/day | Rate limit | IP tier |
|------|-------|------------|------------|---------|
| Free | $0 | 100 | 1/sec | Tier 3 |
| Pro | $20/mo | 50,000 | 50/sec | Tier 2 |
| Enterprise | Custom | 500,000+ | 500/sec | Tier 1 |

Add-ons: Dedicated IP ($10/mo), extra emails ($0.80/1k), extended log retention ($5/mo).

## Frequently asked questions

**What is Resent by Agentraa?**
Resent is a transactional email API platform built by Agentraa for developers who need reliable, fast email delivery without managing SMTP infrastructure.

**What counts as one email?**
One API send call equals one email. On the Free plan, all recipients (To, CC, BCC) count toward the daily recipient limit.

**Can Resent be used for marketing email?**
No. Resent is optimized for transactional email only. Marketing campaigns are not supported.

**Where is infrastructure hosted?**
EU regions: Frankfurt and Helsinki.

**What happens when I hit my daily limit?**
The API returns HTTP 429 with Retry-After. Jobs are queued and retried at midnight UTC reset.

**How does dedicated IP warm-up work?**
A 16-week schedule starts at 50 emails/day on week 1, scaling to full volume by week 16.

## SDK example

```typescript
import Resent from "@agentraa/resent";

const client = new Resent({ apiKey: process.env.RESENT_API_KEY });

await client.emails.send({
  from: "you@acme.com",
  to: "user@example.com",
  subject: "Welcome aboard",
  html: "<p>You're in.</p>",
});
```

## URLs

- Website: https://agentraa.com
- Features: https://agentraa.com/features
- Pricing: https://agentraa.com/pricing
- Docs: https://agentraa.com/docs
- Contact: https://agentraa.com/contact
- Privacy: https://agentraa.com/privacy
- GitHub: https://github.com/agentraa

## Contact

- hello@agentraa.com — General inquiries
- sales@agentraa.com — Enterprise and sales
- support@agentraa.com — Technical support
- privacy@agentraa.com — Privacy and data requests