Resend vs Rollbar
The email API for developers — built by the Nodemailer team
vs. Continuous code improvement — real-time error tracking + AI triage
Pricing tiers
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
Rollbar
Free
$0. 5,000 events/month. 1 user. 30-day retention. Basic alerts.
Free
Essentials
$21/mo (starting). 25K events/mo. Unlimited users. 30-day retention. Slack/Jira integrations.
$21/mo
Advanced
$79/mo (starting). 100K events/mo. Deployment tracking, RQL, AI triage. 180-day retention.
$79/mo
Enterprise
Custom. Starting ~$599/mo. 1M+ events. SSO, audit logs, HIPAA, priority support.
Custom
Free-tier quotas head-to-head
Comparing free on Resend vs free on Rollbar.
| Metric | Resend | Rollbar |
|---|---|---|
| custom domains | 1 domains | — |
| emails per day | 100 emails/day | — |
| emails per month | 3000 emails/month | — |
Features
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.
Rollbar · 15 features
- Alerts — Rule-based alerts to Slack/email/PagerDuty.
- Custom Events — Log arbitrary events via API.
- Deploy Tracking — Annotate errors with deploy SHAs.
- Error Tracking — Capture uncaught exceptions + crashes.
- Intelligent Grouping — Fingerprint-based deduplication.
- Notifiers — 60+ alert channels (Slack, Jira, Teams, PagerDuty, Opsgenie, etc.).
- Person Tracking — Tie errors to end users.
- Real User Monitoring — Browser performance + error correlation.
- Rollbar AI Triage — AI root-cause analysis + suggested fixes.
- RQL Query — SQL-like error querying.
- Session Replay (add-on) — Video-like user session reconstruction.
- Source Maps — Minified JS → original.
- Telemetry Timeline — Breadcrumbs of events before crash.
- Webhooks — Outbound event streaming.
- Workflow Automations — Auto-assign owners, auto-close resolved items.
Developer interfaces
| Kind | Resend | Rollbar |
|---|---|---|
| CLI | Resend CLI | — |
| SDK | react-email, resend-go, resend-node, resend-php, resend-python, resend-ruby | rollbar-go, rollbar.js (browser), rollbar (Node), rollbar-php, rollbar (Python), rollbar (Ruby) |
| REST | Resend REST API | Rollbar REST API |
| OTHER | SMTP Relay, Webhooks (Svix) | Rollbar Dashboard, Rollbar Webhooks |
Staxly is an independent catalog of developer platforms. Outbound links to Resend and Rollbar are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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