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API Integrations

All new customers, please reference our FastLink 4 documentation. FastLink 3 documentation is provided for current customers, but we are encouraging customers to upgrade to FastLink 4 to experience the feature enhancements available in the latest release.

Overview

As mentioned in the API Reference page, here are some special modifications to the API Reference guide specific to FastLink 3 users.  The specific endpoints affected are:

  • GET /providers
  • GET /accounts
  • PUT /providerAccounts
  • POST /verification
  • GET /verification

GET /providers

In the GET /providers endpoint, please see these additional integration notes.

Only the datasets, attributes, and containers that are enabled for the customer will be returned in the response.
Input for the dataset$filter should adhere to the following expression:

<dataset.name>[<attribute.name>.container[ OR ] OR <attribute.name>.container[]]
OR <dataset.name>[<attribute.name> OR <attribute.name>]

Examples of dataset$filter value:

  • ACCT_PROFILE[FULL_ACCT_NUMBER.container[bank OR investment OR creditCard]]
  • ACCT_PROFILE[FULL_ACCT_NUMBER.container[bank]]
  • BASIC_AGG_DATA[ACCOUNT_DETAILS.container[bank OR investment] OR HOLDINGS.container[bank]] OR ACCT_PROFILE[FULL_ACCT_NUMBER.container[bank]]
  • BASIC_AGG_DATA
  • BASIC_AGG_DATA OR ACCT_PROFILE
  • BASIC_AGG_DATA [ ACCOUNT_DETAILS OR HOLDINGS ]
  • BASIC_AGG_DATA [ BASIC_ACCOUNT_INFO OR ACCOUNT_DETAILS ]

The fullAcountNumberFields is specified to filter the providers that have paymentAccountNumber or unmaskedAccountNumber support in the FULL_ACCT_NUMBER dataset attribute. Examples for usage of fullAccountNumberFields:

  • dataset$filter=ACCT_PROFILE[ FULL_ACCT_NUMBER.container [ bank ]] & fullAccountNumberFields=paymentAccountNumber
  • dataset$filter=ACCT_PROFILE[ FULL_ACCT_NUMBER.container [ bank ]] & fullAccountNumberFields=unmaskedAccountNumber
  • dataset$filter=ACCT_PROFILE[ FULL_ACCT_NUMBER.container [ bank ]] & fullAccountNumberFields=unmaskedAccountNumber,paymentAccountNumber

GET /accounts

In the GET /accounts endpoint, please see these additional integration notes.

  • fullAccountNumber is deprecated and is replaced with fullAccountNumberList in include parameter and response.
  • fullAccountNumberList, PII (Personal Identifiable Information), and holder details are not available by default, as it is a premium feature that needs security approval. This will not be available for testing in the Sandbox environment.

For an example,  /ysl/accounts?include=fullAccountNumberList

PUT /providerAccounts

In the PUT/providerAccounts endpoint, please see the following additional integration notes.

The update account API is used to:

  • Retrieve the latest information for accounts that belong to one providerAccount from the provider site. You must allow at least 15 min between requests.
  • Data to be retrieved from the provider site can be overridden using datasetName or dataset. If you do pass datasetName, all the datasets that are implicitly configured for the dataset will be retrieved. This action is allowed for single provider account refresh flows only.
  • Updating preferences using this API will trigger refreshes.

For an example, PUT /providerAccounts/providerAccountIds={providerAccountId}

POST /verification

FastLink 3 customers should be able to use the POST /verification end point to initiate both MATCHING and CHALLENGE_DEPOSIT verification type.

Sample request to initiate the MATCHING request:

  • Request:
{
   "verification":{
      "providerAccountId":11457162,
      "verificationType":"MATCHING"
   }
}
  • Response:
{
   "verification":[
      {
         "accountId":14492469,
         "verificationDate":"2022-01-05T13:12:47Z",
         "reason":"ACCOUNT_HOLDER_MISMATCH",
         "verificationType":"MATCHING",
         "verificationStatus":"FAILED",
         "providerAccountId":11979043,
         "verificationId":10061712
      },
      {
         "accountId":14492471,
         "verificationDate":"2022-01-05T13:12:47Z",
         "reason":"DATA_NOT_AVAILABLE",
         "verificationType":"MATCHING",
         "verificationStatus":"FAILED",
         "providerAccountId":11979043,
         "verificationId":10061713
      },
      {
         "accountId":14492470,
         "verificationDate":"2022-01-05T13:12:47Z",
         "reason":"FULL_ACCOUNT_NUMBER_NOT_AVAILABLE",
         "verificationType":"MATCHING",
         "verificationStatus":"FAILED",
         "providerAccountId":11979043,
         "verificationId":10061714
      }
   ]
}

GET /verification

FastLink 3 customers should be able to use the GET /verification end point to get the status of the verification request for both MATCHING and CHALLENGE_DEPOSIT verification type.

Sample request to get the MATCHING status:

  • Request:
    GET - /verification?providerAccountId=11979043
  • Response:
{
   "verification":[
      {
         "accountId":14492469,
         "verificationDate":"2022-01-05T13:12:47Z",
         "reason":"ACCOUNT_HOLDER_MISMATCH",
         "verificationType":"MATCHING",
         "verificationStatus":"FAILED",
         "providerAccountId":11979043,
         "verificationId":10061712
      },
      {
         "accountId":14492471,
         "verificationDate":"2022-01-05T13:12:48Z",
         "reason":"DATA_NOT_AVAILABLE",
         "verificationType":"MATCHING",
         "verificationStatus":"FAILED",
         "providerAccountId":11979043,
         "verificationId":10061713
      },
      {
         "accountId":14492470,
         "verificationDate":"2022-01-05T13:12:48Z",
         "reason":"FULL_ACCOUNT_NUMBER_NOT_AVAILABLE",
         "verificationType":"MATCHING",
         "verificationStatus":"FAILED",
         "providerAccountId":11979043,
         "verificationId":10061714
      }
   ]
}