Hello Francis,

We have getting started information available in our Quick Start guide, and this also has introductory information for creating calls to fetch Call-Log data.

You can view the data which is returned from requests to our Call-Log API resource in the API Explorer and the RingCentral Developer Guide.

You can obtain call-log data using different routes for different types of results you desire: active-calls, recording data, recording content, call-logs by extension, and you're able to use filters to do things such as request detailed call-log data if you need it.

Have you already created your Sandbox, and defined an application in Developer Portal?

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