Resend vs SendGrid
Resend vs SendGrid, compared side by side on 22 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Resend is on 65/100 and SendGrid on 70/100.
Where each one leads
Resend
- agent readiness: 84/100 against 48/100
SendGrid
- our overall score: 70/100 against 65/100
- headcount: 6,600 against 72
- funding raised: $79.8M against $21.0M
- LinkedIn following: 499,928 against 19,032
At a glance
| Measure | Resend | SendGrid |
|---|---|---|
| What it is | Developer-friendly email API for transactional and marketing emails at scale. | Cloud-based email delivery platform for transactional and marketing emails. |
| Category | Developer Tools, API Platform, Email API, MarTech | Communication APIs, Email API, Marketing Automation, Transactional Email |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2022 | 2009 |
| Headquarters | San Francisco, United States | Denver, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Resend | SendGrid |
|---|---|---|
| Employees | 72 | 6,600 |
| Headcount growthLast 12 months | Not published | +1.4% |
| Total funding | $21.0M | $79.8M |
| Latest round | Series A | Series D |
| LinkedIn followers | 19,032 | 499,928 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Resend | SendGrid |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 65/100 | 70/100 |
| Traction | 55/100 | 60/100 |
| Team | 70/100 | 70/100 |
| Community | 8/100 | Not published |
| Search visibility | 57/100 | 46/100 |
| Quality | 68/100 | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | A (84/100) | D (48/100) |
| Domain ratingLink authority, 0-100 | 90/100 | 91/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Resend | SendGrid |
|---|---|---|
| Hosting | Vercel | AWS |
| CDN | Vercel | CloudFront |
| Frameworks | Next.js, Tailwind CSS | Not detected |
| Payments | Stripe | Not detected |
| Analytics | PostHog | Google Tag Manager, Segment |
| Open source | Yes | No |
Resend vs SendGrid: common questions
Which is better, Resend or SendGrid?
On our 0-100 score SendGrid rates higher (70/100 against 65/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 22 data points above: read the rows that match what you are buying for.
How do Resend and SendGrid compare on the numbers?
Resend leads on agent readiness (84/100 against 48/100). SendGrid leads on our overall score (70/100 against 65/100), headcount (6,600 against 72), funding raised ($79.8M against $21.0M), LinkedIn following (499,928 against 19,032).
Read the full Resend review and pricing or the SendGrid review and pricing. You can also browse other Resend alternatives we track.

