curl -X POST 'https://crypto-api.yativo.com/api/v1/yativo-card/fund' \
  -H 'Authorization: Bearer YOUR_ACCESS_TOKEN' \
  -H 'Content-Type: application/json' \
  -d '{
    "card_id": "crd_01HX9KZMB3F7VNQP8R2WDGT4EJ",
    "asset_id": "ast_01HX9KZMB3F7VNQP8R2WDGT5AA",
    "amount": "250.00"
  }'

{
  "status": "success",
  "message": "Card funded successfully",
  "data": {
    "funding_id": "fnd_01HX9KZMB3F7VNQP8R2WDGT6BB",
    "card_id": "crd_01HX9KZMB3F7VNQP8R2WDGT4EJ",
    "amount": "250.00",
    "status": "completed",
    "created_at": "2026-03-26T12:00:00Z"
  }
}