Hello @Manish ,
Welcome to the Microsoft Q&A platform.
Unfortunately, it is not possible to run sql script using REST API in azure synapse analytics platform.
I would suggest you to provide feedback on the same:
All of the feedback you share in these forums will be monitored and reviewed by the Microsoft engineering teams responsible for building Azure.
Use the Azure Synapse Analytics REST APIs to create and manage Azure Synapse resources through Azure Resource Manager and Azure Synapse endpoints.
Reference: Azure Synapse Analytics REST API
Hope this helps. Do let us know if you any further queries.
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