curl --request POST \
  --url https://api.givebutter.com/v1/transactions \
  --header 'Authorization: Bearer <token>'

{
  "id": "<string>",
  "plan_id": "<string>",
  "pledge_id": 123,
  "amount": 123,
  "fee": 123,
  "fee_covered": 123,
  "donated": 123,
  "payout": 123,
  "captured": "<string>",
  "captured_at": "<string>",
  "timezone": "<string>",
  "refunded": "<string>",
  "refunded_at": "<string>",
  "line_items": [
    {
      "type": "<string>",
      "subtype": "<string>",
      "description": "<string>",
      "quantity": 123,
      "price": 123,
      "discount": 123,
      "total": 123,
      "created_at": "<string>",
      "updated_at": "<string>"
    }
  ],
  "fair_market_value_amount": "<string>",
  "tax_deductible_amount": "<string>",
  "is_recurring": true
}