Retrieve a list of namespaces

curl --request GET \
  --url https://api.agentset.ai/v1/namespace \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "data": [
    {
      "id": "<string>",
      "name": "<string>",
      "slug": "<string>",
      "organizationId": "<string>",
      "createdAt": "<string>",
      "embeddingConfig": {
        "provider": "OPENAI",
        "model": "text-embedding-3-small",
        "apiKey": "<string>"
      },
      "vectorStoreConfig": {
        "provider": "PINECONE",
        "apiKey": "<string>",
        "indexHost": "https://example.svc.aped-1234-a56b.pinecone.io"
      }
    }
  ]
}