Credential) is used to identify the API key on Simple OKR servers. The secret component (called
Secret Key) is used to construct a request signature. The secret component should be kept private and not shared with anyone.
S1-HMAC-SHA256is the first version of authentication protocol used by the Simple OKR API.
Authorizationheader in the following format:
timestampand applying HMAC-SHA256 with the secret key. The output of HMAC must be encoded in hex and converted to lower case. This value becomes the signature.