Retrieved 2026-09-27
Cooper Email vs Resend
Resend is a transactional email API. Cooper is an inbox an agent can send from, receive into, and search.
Resend inbound delivers events to a webhook. Cooper stores the message and indexes extracted_text.
Use Resend when the job is application mail at high volume. Use Cooper when the agent needs its own address and a mailbox.
Sources: Resend pricing
| Resend | Cooper Email | |
|---|---|---|
| Job | Transactional and marketing send | Dedicated inbox per agent, send and receive, account search |
| Free | $0 · 3,000 emails/month · 100 emails/day · 3 domains · 30-day data retention | $0 · 5 inboxes · 5,000 emails/month · 0 custom domains |
| Paid entry | Pro $20/month for 50,000 emails, or $35/month for 100,000. Overage $0.90 / 1,000. Scale starts at $90/month for 100,000. | Starter $12/month · 25 inboxes · 25,000 emails/month · 15 custom domains |
| Inbound | Inbound emails are listed as included. Stored searchable threads are not the product. | Stored messages, webhooks (message.received), and GET /api/v1/search |
| Compliance | Resend lists SOC 2 Type II on all plans | SOC 2 is a roadmap, not a current report |
- Cooper can use Resend as an outbound provider. That does not turn Cooper into Resend, or Resend into an agent inbox.
- Marketing-email contact prices on Resend are a different product and are not compared row-by-row here.