Cloud uses API keys for authentication. An API key is a token provided by the client when making API calls. The key should be sent as a request header named X-API-Key:
📚 How to get my API key? Here
Get your API key
📙 If you prefer SDKs, we offer multiple languages. Download our SDKs here.
This is the SMS API documentation (link)
You can enter the API key and parameters to test the message
Open the response to view the full parameters
If you receive any error codes, you can check their meanings here