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The Frequency API allows you to choose how many messages a single phone number can receive
within a specified time range. You can turn this feature on and off at will using the Frequency API.
The feature is based on an HTTP client request but is enabled both for HTTP and SMPP to
avoid problems and make it available for customers that use both SMPP and HTTP accounts.
This API is for use with the SMS API and SMPP. It is not compatible with other Mitto APIs at this time.
Mitto’s Frequency API requires authentication on every request. To authenticate, you pass your API key in the header of the request like this:
In addition to authenticating on every request, you must also have the IP from which the requests are made whitelisted on MITTO’s system. Mitto enforces this additional security measure for your protection.