As a Channel Integrator you will receive a API Refresh Token. With such a Refresh Token you need to request an Access Token with a limited Lifetime (see POST /v1/auth). This Access Token must be provided as a Bearer Token in the Authorization Header with every request.
Update session identifier
Session updated
Update-flow session payload identifying the seller whose master data is being updated.
A unique Id identify a Seller on a specific SalesChannel. The SellerId is generated from the Channel itself during the Seller SignUp Process.
^\w{1,50}$"4711"