Initiate transfer

Introduction

Initiate transfer is initiated through HTTPS POST request by using URLs and the parameters.

To initiate funds transfer, Connecting Party’s app sends {accessToken} with transaction amount and other device parameters to Connecting Party’s server, which are used to start a session with unique random {nonce} and encrypted {signature}.

In response Connecting Party’s server also provides information about invoice in Connecting Party’s system and endpoint in Denumtech.

The Connecting Party’s server may also respond with the transaction’s commission.

API URLs

Connecting Party Server
https://proxy.connectingpartyserver.com/transfer/initiate-transfer

Request Parameters

Parameter Name	Description	Value
consumer		Necessity: Required Type: Object
consumer.device		Necessity: Required Type: Object
consumer.device.serialNumber	Consumer’s device serial number.	Necessity: Required Type: String Length: 1-50
transaction		Necessity: Required Type: Object
transaction.amountCentis	Transaction amount, 1.00 EUR = 100 centis.	Necessity: Required Type: Integer
transaction.currency	Upper case letters (ISO 4217 alpha code).	Necessity: Required Type: String Length: 3
session		Necessity: Required Type: Object
session.accessToken	Access token key received in Optional consumer authentication.	Necessity: Required Type: String Length: 32-128
consumer.device.imei	Consumer’s device international mobile equipment identity.	Necessity: Optional Type: String Length: 14-16
location		Necessity: Optional Type: Object
location.lat	The latitude specified in the range of -90.0 through +90.0, both inclusive.	Type: Double
location.lng	The longitude specified in the range -180.0 through +180.0, both inclusive.	Type: Double
consumer.ipAddresses	Consumer’s IP addresses.	Type: List
consumer.ipAddresses[]	Consumer’s IP address.	Necessity: Optional Type: String Length: 7-15
fromBin	Source of funds card BIN (first 6 digits of card number) may be used to display pre-calculated commission.	Necessity: Optional Type: String Length: 6
toBin	Destination of funds card BIN (first 6 digits of card number) may be used to display pre-calculated commission.	Necessity: Optional Type: String Length: 6

Success Response Parameters

Parameter Name	Description	Value
endpointId	Entry point identifier for transfer transaction.	Necessity: Required Type: String
invoiceId	Transfer transaction identifier.	Necessity: Required Type: String
session		Necessity: Required Type: Object
session.nonce	Unique random string generated by Connecting Party’s server.	Necessity: Required Type: String
session.signature	Checksum generated by hmac-sha1 (see Signature computation) from the concatenation of the accessToken, consumer.device.serialNumber, endpointId, session.nonce, invoiceId, transaction.amountCentis and the transaction.currency.	Necessity: Required Type: String
rates		Necessity: Optional Type: Object
rates.min	Possible minimum commission amount.	Necessity: Optional Type: String
rates.max	Possible maximum commission amount.	Necessity: Optional Type: String

Fail Response Parameters

Parameter Name	Description	Value
error		Type: Object
error.cause	Cause of the error. Possible values: FILTERED, INVALID_REQUEST, SERVER_FAILED, SERVER_UNAVAILABLE.	Type: Enum
error.code	The unique error code.	Type: String
error.message	Description of the error.	Type: String

Request Example

{
  "consumer": {
    "device": {
      "imei": "string",
      "serialNumber": "string"
    },
    "ipAddresses": ["string"]
  },
  "location": {
    "lat": "double",
    "lng": "double"
  },
  "session": {
    "accessToken": "string"
  },
  "transaction": {
    "amountCentis": "integer",
    "currency": "string"
  }
}

Success Response Example

{
  "endpointId": "string",
  "invoiceId": "string",
  "rates": {
    "min": "string",
    "max": "string"
  },
  "session": {
    "nonce": "string",
    "signature": "string"
  }
}

Fail Response Example

{
  "error": {
    "cause": "enum",
    "code": "string",
    "message": "string"
  }
}