This topic describes how to create an AccessKey pair for an Alibaba Cloud account or a RAM user. When you call an API operation of Short Message Service (SMS), the AccessKey pair is required for identity verification.
An AccessKey pair consists of an AccessKey ID and an AccessKey secret.
- The AccessKey ID is used to verify the identity of the user.
- The AccessKey secret is used to encrypt and verify the signature string for identity authentication. You must keep your AccessKey secret strictly confidential.
For more information about how to create an AccessKey pair, see Create an AccessKey pair.