Client and Access Tokens are used to connect to Mews environment using Mews Open API.
Client Token - token identifying the client application.
Access Token - unique token of the client application,
It is Extremely Important to share them in a secure form to prevent the security breach as both of the tokens are used to access information in Mews Environment.
The secure form to publicly share tokens are:
In the log you're sharing leave only the first and last 4 characters of the token.
Client Token: "E0D4***9E1D"
Access Token: "C66E***453D"
Use services as One Time Secret to share the token with a secure link. After you share it through this service, the link will expire from public availability and the token won't be stored.