In order to send SMS to a phone number, you will need to use /send-sms API along with secret_key, phonenumber and message fields. These fields are required fields. Also from field is an optional field.
Please make sure to send the token you have received from /get-token API as Authorization Bearer Token in API request headers.
curl --location 'https://maxstore.co.il/api/send-sms' \
--header 'Accept: application/json' \
--data-urlencode 'api_secret=pbahmifqnpjxd6h' \
--data-urlencode 'phonenumber=0525309310' \
--data-urlencode 'message=this is my test message' \
--data-urlencode 'from=test user'