The method is used for sending an Email message to a contact. A new contact is created if no contact with such email address exists.
⚠️ Not recommended for OTP passwords. This method requires the full email HTML in the request body. Because of the content volume, such requests are not logged reliably, which makes delivery troubleshooting difficult.
Use the Send prepared message method instead: the caller only passes substitution variables, the template is stored on our side, so the message is sent faster and all requests are logged correctly.
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NoteEach account has an hourly limit on single (one-off) email sends — 100 emails per hour by default. When it is exceeded, the request fails with the error
Per hour emails limit reached: N, whereNis the current limit value. Rejected sends are not retried automatically.The limit applies to single sends only — bulk campaigns are not affected. There is no hourly-volume chart in the account interface, and the value can't be changed in the settings: to raise the limit, contact support. See Rate Limits for the full list of API limits.