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The request has both SAS authentication scheme and 'Bearer' authorization scheme. Only one scheme should be used

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While doing testing after doing a POC on Securing Logic App with Azure Active Directory authentication , where I have put logic app behind APIM and before passing the request to logic app, apim does validation of the token.  I was encountered with an error "The request has both SAS authentication scheme and 'Bearer' authorization  scheme.  Only one scheme should be used." Why it happened After validating the token which is part of the header i.e. Authorization, APIM forwards the request as it is to backend. As  Logic app is configured as  back end , it's url already consist of SAS signature plus the request also has Authorization section and this is the problem. By default every request endpoint on a logic app has a Shared Access Signature (SAS) in the endpoint's URL, which follows this format: https://<request-endpoint-URI>sp=<permissions>sv...
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Getting Started with Logic Apps - AS2

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What is AS2? Every enterprise requires some kind of product, service or counselling from another enterprises thus there happens a B2B(business to business) communications, some of the communication is unique whereas most of the communications are common for most of the enterprises e.g., Purchase Order. But every enterprise has there own way(format) of sending the messages, leading to difficult management when number of partners increased.  Considering this the Enterprise leaders decided to have some standards/rules defined across the communication leading to B2B protocol standards which provide guidelines for trading partners to follow when conducting business between enterprises. EDI X12, EDIFACT, TRADACOM etc. AS2 stands for Applicability Statement 2 and is a B2B messaging protocol used to transmit Electronic Data Interchange (EDI)/Business documents from one organization to another. So EDI standards define how to format data and AS2 specifies how to securely transport...
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How to Debug and Trace request in Azure APIM - Portal, Postman, RequestBin

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