Rate Limits

Send To: 10 email addresses
CC: 10 email addresses
BCC: 5 email addresses

SendLayer API rate limits are applied to the API key used to make the request.

Email Sending

SendLayer API limit usage varies depending on your account plan. Below are the available plans and their respective limits.

SendLayer Plan	Emails/minute	Emails/hour	Emails/day
Trial	10	25	50
Starter	50	300	500
Business	120	500	1000
Growth	200	1000	2500

See our detailed guide to learn more about SendLayer rate limits

When sending emails to multiple recipients, the following limits apply to all users regardless of account type.

When sending an email, the maximum file size per email is 10 MB. This includes both the content and additional email attachments.