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API | Features / Methods | Limitation |
http GET & POST | All | None |
SOAP API | CreateNewsletter SendNewsletterFast | Max 100 calls per day |
SendSingleNewsletter | Based on the level of service (bandwidth or messages per hour) purchased by the User [†] | |
SendNewsletter | Max 200 calls per day | |
SendDirectSMS SendSingleSMS | Max 10 calls per second | |
Other SOAP API methods | Max 5 calls per second | |
REST API | Transactional and personal emails | Based on the level of service (bandwidth or messages per hour) purchased by the User |
| Transactional SMS | Max 30 calls per second | |
| Stop/Delete sendings | Max 1 call every 30 seconds | |
Other REST API methods | Max 5 calls per second | |
SMTP+ | Transactional and personal emails | Based on the level of service (bandwidth or messages per hour) purchased by the User [‡] |
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