# Bill spec

Auths we need to support

1. API Key in the header `X-API-KEY`
2. HTTP Basic Auth with username and password
3. OAuth 2.0

## Fetch

{
    "customerIdentifiers": [
        {
            "attributeName": "Loan number",
            "attributeValue": "xxxxxxxxxx"
        }
    ]
}

{
  "data": {
    "bill": {
      "number": "ADC091283743",
      "customerName": "Ashok Kumar",
      "amount": "100.00",
      "dueDate": "19-12-2020",
      "billDate": "20-20-2020",
      "billPeriod": "ONETIME",
      "additionalInfo": [
        {
          "name": "Name 1",
          "value": "Value 1"
        },
        {
          "name": "Name 2",
          "value": "Value 2"
        },
        {
          "name": "Name 3",
          "value": "Value 3"
        }
      ]
    },
    "settlement": {
      "parts": [
        {
          "account": {
            "id": "16090200007076",
            "ifsc": "BARBH001111"
          },
          "split": "18.90"
        }
      ],
      "primaryAccount": {
        "id": "6211349709",
        "ifsc": "BARBH001111"
      }
    }
  }
}

## Payment

{
    "refId": "340505538175436017", 
    "payment": {
        "amount": "100.00",
        "transactionId": "NA90X343416846776534307",
        "mode": "UPI"
    }
    "customerIdentifiers": [
        {
            "attributeName": "Loan number",
            "attributeValue": "xxxxxxxxxx"
        }
    ],
    "bill": {
      "number": "ADC091283743",
      "customerName": "Ashok Kumar",
      "amount": "100.00",
      "dueDate": "19-12-2020",
      "billDate": "20-20-2020",
      "billPeriod": "ONETIME",
      "additionalInfo": [
        {
          "name": "Name 1",
          "value": "Value 1"
        },
        {
          "name": "Name 2",
          "value": "Value 2"
        },
        {
          "name": "Name 3",
          "value": "Value 3"
        }
      ]
    }

}

{
    "ackId": "10182162252"
}

### Remarks

1. Old spec and new spec should be 100% convertible

Payer app side

1. Support old spec for existing integrations
2. For new integrations present a new spec.