1Password vs Resend
Enterprise password + secrets management — for humans and machines
vs. The email API for developers — built by the Nodemailer team
Pricing tiers
1Password
Individual
$3.99/mo (annual). 1 user. Unlimited passwords, devices. Travel mode.
$4/mo
Families
$4.99/mo total (annual) for 5 family members. Shared vaults.
$5/mo
Business
$7.99/user/mo (annual). Unlimited guests, custom roles, SSO, advanced reports.
$8/mo
Teams Starter
$19.95/mo total (up to 10 users). Shared vaults, guest users, usage reports.
$20/mo
Enterprise
Custom. Dedicated support, annual security reviews, SLA, account management.
Custom
Service Accounts (Business+)
Included with Business/Enterprise. Non-human accounts for CI/CD + secret automation.
Custom
Resend
Free
3,000 emails/month, 100 emails/day. 1 custom domain. Ideal for side projects.
Free
Pro — 50k
50,000 emails/month. 10 custom domains. Priority support.
$20/mo
Pro — 100k
100,000 emails/month. 10 custom domains.
$35/mo
Scale — 100k+
Tiered from 100k → 2.5M emails/month. Dedicated IP add-on available.
$90/mo
Scale — 2.5M
2.5M emails/month.
$1150/mo
Enterprise
3M+/month, dedicated IP included, SSO, custom contract.
Custom
Free-tier quotas head-to-head
Comparing individual on 1Password vs free on Resend.
| Metric | 1Password | Resend |
|---|---|---|
| custom domains | — | 1 domains |
| emails per day | — | 100 emails/day |
| emails per month | — | 3000 emails/month |
Features
1Password · 18 features
- Browser Extensions — Chrome, Firefox, Safari, Edge.
- Connect Server — Self-hosted secret delivery.
- Desktop Apps — Mac, Windows, Linux.
- Events API — SIEM-compatible audit stream.
- iOS + Android Apps — Native mobile.
- op CLI — Command-line access + biometrics.
- Passkey Support — WebAuthn/FIDO2.
- Password Management — Store, generate, autofill.
- SCIM — User provisioning.
- Secret References (op://) — Reference secrets in config files.
- Secrets Automation — Dev secrets workflow.
- Service Accounts — CI/CD auth.
- Shell Plugins — Intercept CLI auth.
- SSH Key Mgmt + Agent — Store + use SSH keys.
- SSO (OIDC / SAML) — Enterprise auth.
- Travel Mode — Hide vaults at borders.
- Vaults — Shared + personal vaults.
- Watchtower — Breach + weak password alerts.
Resend · 12 features
- Audiences — Contact list management with custom fields.
- Batch Send — Send up to 100 emails in one API call.
- Broadcasts — Bulk email campaigns with audiences, A/B testing, analytics.
- Dedicated IP — Add-on for high-volume senders. Auto warmup.
- Domains — DKIM/SPF/DMARC auto-verification. Per-domain analytics.
- Idempotency — Prevent duplicate sends with Idempotency-Key header.
- Logs + Analytics — Full email logs, delivery heatmap, events table.
- React Email — OSS library (3M+ downloads) to compose emails in React/JSX.
- Scheduled Send — scheduledAt parameter for future delivery.
- Send API — POST /emails endpoint to send. Supports attachments, scheduled send, idempotency…
- Suppressions — Auto-managed bounce + complaint list. API to add/remove.
- Webhooks — Email lifecycle events: sent, delivered, bounced, complained, opened, clicked.
Developer interfaces
| Kind | 1Password | Resend |
|---|---|---|
| CLI | op CLI | Resend CLI |
| SDK | @1password/sdk (JS), onepassword (Python), onepassword-sdk-go | react-email, resend-go, resend-node, resend-php, resend-python, resend-ruby |
| REST | Connect Server API, Events API, SCIM Bridge | Resend REST API |
| OTHER | 1Password Apps, 1Password.com, Browser Extension | SMTP Relay, Webhooks (Svix) |
Staxly is an independent catalog of developer platforms. Some links to 1Password and Resend may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.
Want this comparison in your AI agent's context? Install the free Staxly MCP server.