Trust signals
Pricing
FREEMIUM
Auth
API_KEY
CORS
No
Rate limit
Rate limits vary by plan.
Health
718ms
Trust score
87 (B)
Last checked Sep 4, 2026 · uptime 24h 100% / 7d 100% / 30d 100%
Strong candidate; weakest signal is CORS.
Links
- Homepagesendgrid.com
- Documentationdocs.sendgrid.com/api-reference/
- Base URLdocs.sendgrid.com/api-reference/
Integration checklist
- Auth is API_KEY
- No CORS — route calls through your backend.
- Rate limit: Rate limits vary by plan.