Making request

All API requests must contain the following headers:

• ACCESS-KEY The API Key as a String.

• ACCESS-SIGN The Base64-encoded signature.

The ACCESS-SIGN string is generated as follows:

• Produce the SecretKey.
• Create a prehash string of http method + requestPath
• Sign the prehash string with the SecretKey using the HMAC SHA256.
• Encode the signature in the Base64 format.