> ## Documentation Index
> Fetch the complete documentation index at: https://docs.meld.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Finicity Identifiers Mapping

This data comes from Finicity's [/aggregation/v1/customers /`{customerId}`/accounts /`{accountId}`/details](https://api-reference.finicity.com/#/rest/api-endpoints/payments/get-account-ach-details) endpoint and is returned from Meld's [/bank-linking/accounts](/api-reference/bank-linking/accounts/bank-linking-accounts-search) endpoint.

<Note>
  Example values: `ach.accountNumber: "1234567890"`, `ach.routingNumber: "021000021"`.
</Note>

<Warning>
  Finicity returns ACH identifiers only. `eft.*`, `international.iban`, `international.bic`, and `bacs.*` fields are not populated.
</Warning>

| Meld                 | Description                                                                                          | Finicity Response Field |
| :------------------- | :--------------------------------------------------------------------------------------------------- | :---------------------- |
| ach                  | ACH data object                                                                                      |                         |
|    accountNumber     | The account number                                                                                   | realAccountNumber       |
|    routingNumber     | The account routing number. Reference [Routing number](https://en.wikipedia.org/wiki/Routing_number) | routingNumber           |
| eft                  | EFT data object                                                                                      |                         |
|    accountNumber     | The account number                                                                                   | *None*                  |
|    institutionNumber | The account institution number                                                                       | *None*                  |
|    branchNumber      | The institution branch number                                                                        | *None*                  |
| international        | International data object                                                                            |                         |
|    iban              | The International Bank Account Number (IBAN) for the financial account                               | *None*                  |
|    bic               | The Bank Identifier Code (BIC) for the financial account                                             | *None*                  |
| bacs                 | The BACS data object                                                                                 |                         |
|    accountNumber     | BACS account number                                                                                  | *None*                  |
|    sortCode          | BACS sort code                                                                                       | *None*                  |

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