Money Transfer Api

A banking API allows you to transfer money between two accounts.

Technologies

• Java
• Dropwizard
• JDBI
• H2

How to run

mvn package

java -jar target/banking_api-1.0.0-SNAPSHOT.jar server banking.yml

Application starts on localhost port 8080 An H2 in memory database initialized with some sample transfer and account data

• [http://localhost:8080/accounts]
• [http://localhost:8080/transfers]

Available Services

Http Method	Path	Usage
GET	/accounts	get all accounts
POST	/accounts	create an account
GET	/transfers	get all transfers
POST	/transfers	create a transfer

Http Status

200 OK - Everything worked as expected
204 No Content - Everything worked as expected and not additional content was sent back
404 Not Found - The requested resource does not exist
422 Unprocessable Entity - The request might have missing / incorrect parameters or failed certain conditions

Account Resources

GET /accounts

Request

GET /accounts

Response

[
    {
        "isError": false,
        "referenceNumber": 1,
        "accountNumber": 123,
        "currencyCode": "TRY",
        "balance": 100.0
    },
    {
        "isError": false,
        "referenceNumber": 2,
        "accountNumber": 156,
        "currencyCode": "TRY",
        "balance": 23.45
    }
]

POST /accounts

Request

POST /accounts

Body

{
  "accountNumber": 185,
  "currencyCode":"USD",
  "balance":99.99
}

Response

{
    "referenceNumber": 3,
    "isError": false
}

Transfer Resources

GET /transfers

Request

GET /transfers

Response

[
    {
        "isError": false,
        "referenceNumber": 250,
        "senderAccountNumber": 156,
        "receiverAccountNumber": 123,
        "amount": 10.0,
        "currencyCode": "TRY"
    },
    {
        "isError": false,
        "referenceNumber": 251,
        "senderAccountNumber": 123,
        "receiverAccountNumber": 156,
        "amount": 10.0,
        "currencyCode": "TRY"
    }
]

POST /transfers

Request

POST /transfers

Body

{
  "senderAccountNumber":123,
  "receiverAccountNumber":156,
  "amount":23.45,
  "currencyCode":"TRY"
}

Response

{
    "referenceNumber": 252,
    "isError": false
}