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Most buyers should pick Resend.
Pick Resend if you want developer-focused email tools, contact management and a free tier capped at 100 emails a day. Pick Twilio SendGrid if you need published monthly prices, SMTP alongside an API, or marketing campaigns; its Essentials plan starts at $19.95/month for 50,000 emails, and its free trial lasts 60 days at 100 emails/day. Resend’s paid prices are not published, so comparing costs beyond the free tier is difficult.
01Side by side
| Resend | Twilio SendGrid | |
|---|---|---|
| Starting price | Paid prices not published | $19.95/month for 50,000 emails |
| Free plan | Yes: 100 emails daily | 60-day trial; 100 emails daily |
| Best for | Developers wanting email tools and a free tier | Senders needing campaigns, SMTP, and higher volume |
| Core strength | API, SDKs, webhooks, and deliverability tools | Email delivery at scale, plus campaign tools |
| Learning curve | Review ease-of-use score: 8/10 | Review ease-of-use score: 5/10 |
| Integrations/data | Nine language SDKs, contact attributes, and webhooks | Email API, SMTP, campaigns, and API documentation |
| Team/seat costs | $1/inbox/month on eligible paid plans | One additional teammate on trial and Essentials |
| Support | Review support score: 5/10 | Review support score: 4/10; partner help available |
Resend Choose Resend if
- Choose Resend if you want a free plan with 100 emails daily.
- Choose Resend if you need SDKs for nine listed languages.
- Choose Resend if contact management and modular webhooks matter.
Twilio SendGrid Choose Twilio SendGrid if
- Choose Twilio SendGrid if you want a published $19.95 starting tier.
- Choose Twilio SendGrid if you need SMTP alongside an Email API.
- Choose Twilio SendGrid if you need campaign tools and listed volume tiers.
02Pricing compared
Resend has a free plan with 100 emails per day, 3 inboxes and 3 custom domains. Its Pro and Scale prices are not published, which makes costs above the free tier hard to compare. Resend says it offers monthly plans only, with no annual billing discount.
SendGrid lists a 60-day free trial capped at 100 emails per day. Its Essentials plan costs $19.95/month for 50,000 emails or $34.95/month for 100,000. Pro starts at $89.95/month for 100,000 emails and includes a dedicated IP. Annual prices are not published. The practical difference: SendGrid gives buyers published volume tiers; Resend gives a free starting point but leaves paid plan prices unclear. Check the applicable caps and overage terms before switching.
03Features and depth
Both products offer an email API for transactional email. Resend also lists SDKs for Node.js, Ruby, Python, PHP, Go, Rust, Java, Elixir and .NET, plus a test mode that simulates events without sending real email. Its webhooks can report delivery, opens, bounces and clicks. Contact management, DNS monitoring, domain authentication, suppression lists and regional sending are also listed.
SendGrid pairs its Email API with an SMTP service and marketing campaign tools. Its pricing plans specify email volumes, and some include email history, validations or dedicated IPs. The homepage says the platform delivers more than 200 billion emails monthly; that is SendGrid’s own scale claim, not a promise about any one account. Partners can help with integration, deliverability or custom solutions. The feature split is clear: Resend foregrounds developer tools and contact management, while SendGrid explicitly bundles SMTP and campaign options.
04Ease of use and learning curve
Resend’s SDK list and test mode give developers several documented ways to integrate and experiment without sending real emails. Its contact and deliverability tools may also suit teams managing more than API calls. SendGrid provides API documentation and an SMTP option, while its campaign tools cover marketer workflows. Those are different paths, not proof that either product is simpler for every team.
Our comparison assessment scores Resend higher for ease of use than SendGrid, but both have trade-offs. The review flags mixed reliability reports for Resend. For SendGrid, it flags sending caps and account-approval risk. Check those limits against your sending pattern and setup before moving production email.
Questions people ask
Which is cheaper, Resend or SendGrid?
SendGrid is easier to price: its listed Essentials plans start at $19.95/month for 50,000 emails. Resend’s free plan includes 100 emails per day, but its paid Pro and Scale prices are not published. Beyond free use, we can’t make a direct price comparison from the listed prices.
Does Resend offer a free plan?
Yes. Resend lists a free plan with 100 emails per day, 3 inboxes, 3 custom domains and 30-day data retention. SendGrid instead lists a 60-day free trial, also capped at 100 emails per day, with 1 additional teammate and 1 event webhook.
Does Twilio SendGrid support SMTP as well as an API?
Yes. SendGrid lists both an Email API and an SMTP service, as well as marketing campaign tools. Resend’s listed features center on its email API, SDKs, webhooks and contact management; the published product information does not list an SMTP service for Resend.
Which should developers choose?
Resend is the better fit if you want its listed language SDKs, API test mode, contact management and developer-focused tools. SendGrid is worth considering if you need SMTP alongside an API or want published monthly email-volume tiers. Compare plan caps and verify account requirements before switching.