{
  "request": {
    "method": "POST",
    "url": "http://localhost:3000/api/v1/vector/upsert/abcd1234-aaaa-bbbb-cccc-1234567890ab",
    "headers": {
      "Authorization": "Bearer flw_sk_xxx",
      "Content-Type": "multipart/form-data"
    },
    "form": {
      "files": ["@./policies/refund.pdf"]
    }
  },
  "response": {
    "status": 200,
    "body": {
      "numAdded": 12,
      "numDeleted": 0,
      "numUpdated": 0,
      "numSkipped": 0,
      "addedDocs": [
        { "pageContent": "Refund policy: customers may return items within 30 days...", "metadata": { "source": "policies/refund.pdf" } }
      ]
    }
  }
}