curl -X POST https://api.bodhveda.com/recipients/batch \
  -H "Authorization: Bearer bv_xxxxxxxxx" \
  -H "Content-Type: application/json" \
  -d '{
    "recipients": [
      { "id": "recipient_123", "name": "Alice Johnson" },
      { "id": "recipient_456", "name": "Bob Smith" },
      { "name": "Bob Smith" }    ]
  }'

{
  "data": {
    "created": [
      {
        "id": "recipient_123"
      }
    ],
    "updated": [
      {
        "id": "recipient_456"
      }
    ],
    "failed": [
      {
        "id": "",
        "batch_index": 2,
        "errors": [
          {
            "message": "ID is required",
            "description": "ID cannot be empty",
            "property_path": "id",
            "invalid_value": ""
          }
        ]
      }
    ]
  }
}