SendGrid · Rate Limits

Sendgrid Rate Limits

SendGrid v3 API enforces per-account, per-endpoint rate limits.

Sendgrid Rate Limits is the machine-readable rate-limit profile for SendGrid on the APIs.io network, conforming to the API Commons Rate Limits specification.

It captures 5 rate-limit definitions, measuring requests_per_minute and requests_per_hour.

The profile also includes 2 backoff/retry policies defined and response codes documented for throttled.

Tagged areas include Rate Limiting and Email.

5 Limits Throttle: 429
Rate LimitingEmail

Limits

Mail Send v3 (Free) account
requests_per_minute · minute
100
Mail Send v3 (Paid) account
requests_per_minute · minute
600
Marketing Single Send account
requests_per_hour · hour
60
Contacts API account
requests_per_minute · minute
100
Stats API account
requests_per_minute · minute
600

Policies

IP warm-up
Dedicated IPs need gradual ramp.
Reputation throttling
Bounce/complaint rates can trigger ISP-level throttling.

Sources