Sendibl vs Resend: same API shape, same prices, different trade-offs
Sendibl's sending API is deliberately shape-compatible with Resend's — the official Resend SDKs work against Sendibl with a one-line base-URL override. That makes this the rare comparison you can test in two minutes instead of a migration project. Here's the honest version of how the two differ, written by the people who build Sendibl. Facts checked July 2026; Resend's side comes from their public pricing and docs.
| Sendibl | Resend | |
|---|---|---|
| Free tier | 3,000 emails/mo | 3,000 emails/mo (100/day) |
| Pro | $20/mo · 50,000 emails | $20/mo · 50,000 emails |
| Scale | $90/mo · 100,000 emails | $90/mo · 100,000 emails |
| Overage on paid plans | $1.20–$1.00 per 1,000, up to 2× plan volume | Pay-as-you-go available |
| REST API | ✓ | ✓ |
| Official SDKs | Uses Resend's own SDKs (base-URL override) | 10 native SDKs |
| SMTP relay | Every plan, including Free | ✓ |
| Inbound email | Every plan | ✓ |
| Webhooks | 18 event types, HMAC-signed | Svix-signed |
| Scheduled sending | ✓ | ✓ |
| Broadcasts + audiences | ✓ | ✓ |
| Segments, topics, custom properties | ✓ | ✓ |
| Template version history | ✓ | ✓ |
| One-click Cloudflare DNS setup | ✓ | — |
| React Email framework | — | ✓ |
| Visual no-code editor | — | ✓ |
| Managed dedicated IPs | — | ✓ |
| SOC 2 | — | ✓ |
Choose Resend if…
…you build emails as React components (React Email is genuinely excellent and Sendibl has no equivalent), your team wants a collaborative visual editor, you need managed dedicated IPs at high volume, your vendor review requires SOC 2 today, or you need sending regions outside the US right now. Resend is a well-built product with a large ecosystem — we compete with it because we think there's room for a different set of trade-offs, not because it's bad.
Choose Sendibl if…
…you want every capability on every plan — SMTP relay, inbound receiving, webhooks, broadcasts, and segments all work on the Free tier, so what you prototype is what you ship. You get one-click Cloudflare DNS setup instead of copying records by hand, transparent per-1,000 overage with a hard ceiling instead of surprise bills, published log-retention windows, and an API you can leave as easily as you arrived — because your code is written against Resend's SDK shapes either way.
Try it in two minutes
Point your existing Resend SDK at Sendibl and send to our test addresses — no domain verification needed:
RESEND_API_KEY=sb_your_sendibl_key RESEND_BASE_URL=https://api.sendibl.com