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How to create Gradient KB via API?

Posted on November 3, 2025

I’m struggling to create a Knowledge Base via API for my AI agent. I keep getting various datasources errors, that last of which was “Datasource must specify a valid data source type with proper structure.” I can’t find a list of supported types; I’m trying to use a Spaces bucket and it seems like bucket name + region are sufficient. So this is the part of my payload I’m using:

"datasources": [{
    "bucket_name": "name-redacted",
    "bucket_region": "nyc3"
  }],


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