curl --request GET \
  --url https://api.wellapp.ai/v1/transactions/{id} \
  --header 'Authorization: <authorization>'

{
  "data": {
    "type": "transaction",
    "id": "550e8400-e29b-41d4-a716-446655440010",
    "attributes": {
      "scheme": "sepa",
      "external_ids": {
        "transaction_id": "TXN_SEPA_20240115_001",
        "payment_request_id": "PAY_REQ_001",
        "end_to_end_id": "E2E_20240115_ACME_001"
      },
      "requested_execution_date": "2024-01-15",
      "executed_at": "2024-01-15T14:30:00Z",
      "booking_date": "2024-01-15",
      "value_date": "2024-01-15",
      "instructed_amount": {
        "currency": "EUR",
        "amount": 1250
      },
      "settlement_amount": {
        "currency": "USD",
        "amount": 1350.75
      },
      "foreign_exchange": {
        "currency_rate": "1.0806",
        "currency_pair": "EURUSD",
        "currency_rate_source": "ECB",
        "currency_rate_at": "2024-01-15T14:00:00Z"
      },
      "transaction_type": "transfer",
      "status": "completed",
      "category_purpose": "CBFF",
      "purpose_code": "SALA",
      "remittance_information": {
        "unstructured": "Salary payment January 2024",
        "structured_reference": "RF18539007547034",
        "reference_type": "SCOR"
      },
      "fees": [
        {
          "type": "transfer_fee",
          "amount": 2.5,
          "currency": "EUR"
        },
        {
          "type": "exchange_fee",
          "amount": 5,
          "currency": "EUR"
        }
      ],
      "created_at": "2024-01-15T14:30:00Z",
      "updated_at": "2024-01-15T14:30:00Z"
    },
    "relationships": {
      "debtor_payment_means": {
        "data": {
          "type": "payment_means",
          "id": "550e8400-e29b-41d4-a716-446655440000"
        }
      },
      "creditor_payment_means": {
        "data": {
          "type": "payment_means",
          "id": "550e8400-e29b-41d4-a716-446655440001"
        }
      },
      "debtor": {
        "data": {
          "type": "company",
          "id": "550e8400-e29b-41d4-a716-446655440002"
        }
      },
      "creditor": {
        "data": {
          "type": "people",
          "id": "550e8400-e29b-41d4-a716-446655440003"
        }
      },
      "documents": {
        "data": [
          {
            "type": "invoice",
            "id": "550e8400-e29b-41d4-a716-446655440004"
          }
        ]
      },
      "created_by": {
        "data": {
          "type": "people",
          "id": "550e8400-e29b-41d4-a716-446655440005"
        }
      },
      "workspaces": {
        "data": [
          {
            "type": "workspace",
            "id": "550e8400-e29b-41d4-a716-446655440006"
          }
        ]
      }
    }
  },
  "included": [
    {
      "type": "payment_means",
      "id": "550e8400-e29b-41d4-a716-446655440000",
      "attributes": {
        "type": "account_details",
        "status": "active",
        "nickname": "Business Primary Account",
        "description": "Main SEPA account for outgoing payments"
      }
    },
    {
      "type": "payment_means",
      "id": "550e8400-e29b-41d4-a716-446655440001",
      "attributes": {
        "type": "account_details",
        "status": "active",
        "nickname": "Employee Salary Account",
        "description": "Dedicated account for receiving salary payments"
      }
    },
    {
      "type": "company",
      "id": "550e8400-e29b-41d4-a716-446655440002",
      "attributes": {
        "name": "Acme Corporation",
        "description": "Leading technology solutions provider",
        "registration_number": "123456789",
        "tax_id": "FR12345678901"
      }
    },
    {
      "type": "people",
      "id": "550e8400-e29b-41d4-a716-446655440003",
      "attributes": {
        "first_name": "John",
        "last_name": "Doe",
        "full_name": "John Doe",
        "job_title": "Software Engineer"
      }
    },
    {
      "type": "invoice",
      "id": "550e8400-e29b-41d4-a716-446655440004",
      "attributes": {
        "invoice_number": "INV-2024-0115",
        "amount": 1250,
        "currency": "EUR",
        "status": "paid",
        "due_date": "2024-01-15"
      }
    },
    {
      "type": "people",
      "id": "550e8400-e29b-41d4-a716-446655440005",
      "attributes": {
        "first_name": "Marie",
        "last_name": "Martin",
        "full_name": "Marie Martin",
        "job_title": "Finance Manager"
      }
    },
    {
      "type": "workspace",
      "id": "550e8400-e29b-41d4-a716-446655440006",
      "attributes": {
        "name": "Finance Operations",
        "description": "Financial operations and treasury management workspace"
      }
    }
  ]
}