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Does the Add-in encrypt traffic/data between the Add-in and Fastmarkets backend servers?

Written by Tom Berrett

Updated at June 30th, 2025

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Table of Contents

Does the Add-in encrypt traffic/data between the Add-in and Fastmarkets backend servers?

Does the Add-in encrypt traffic/data between the Add-in and Fastmarkets backend servers?

Yes. All communication between the Excel Add-in and our Fastmarkets API’s/servers is encrypted over a TLS connection. This communication channel is TLS 1.2 compliant. 

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