1. Authentication

YCloud uses API keys for authentication. An API key is a token that a client provides when making API calls. The key should be sent as a request header named X-API-Key:

📚 How can I get my API Key?
Get your api key here

📙If you prefer SDK, we provide multiple languages. Download our SDK here.

2. Test the API

This is the SMS API doc https://ycloud.readme.io/reference/sms-send
You can input your API key to test a message.


3. Response

Open the response to see the full parameters.


open the response


4. Error Code

If you get any error code, you can check the meaning here