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The FiservDNA core connector provides pre-built connectivity with the FiservDNA core banking system through the FiservDNA API v24.1.0.

Supported Grand Central unified API operations

The FiservDNA connector supports the following operations from the Grand Central Unified API:
Grand Central Unified API domainGrand Central Unified API method and endpointOperation
PartyGET {baseURL}/parties/searchSearches parties, allowing financial institutions to find party information based on various search criteria.
PartyPOST {baseURL}/partiesCreates a party.
PartyGET {baseURL}/parties/{partyId}Retrieves detailed information for a specific party, providing a comprehensive view of the party’s profile.
PartyPOST {baseURL}/party-relationshipCreates or removes persons of an organization.
PartyGET {baseURL}/parties/{partyId}/accountsRetrieves deposit and loan account details associated with a party, giving a consolidated view of the party’s financial products.
DepositPOST {baseURL}/depositsCreates a deposit.
DepositGET {baseURL}/deposits/{depositId}Retrieves detailed information about a specific deposit account based on its ID.
DepositGET {baseURL}/deposits/balancesRetrieves balance details for one or more deposit accounts, enabling real-time account status updates.
DepositPOST {baseURL}/deposits/transactionsRetrieves deposit transaction information, enabling the display of transaction history and account activity.
DepositPATCH {baseURL}/deposits/{depositId}/closeMarks a deposit account as closed, blocking any new transactions to and from that account.
LoanGET {baseURL}/loans/{loanId}Retrieves detailed information about a specific loan account based on its ID.
LoanGET {baseURL}/loans/balancesRetrieves balance details for one or more loan accounts, enabling real-time loan status updates.
LoanPOST {baseURL}/loans/transactionsRetrieves loan transaction information in order to display transaction history and account activity, for example, in a banking app.
Party Access EntitlementGET {baseURL}/party-access-entitlement/{partyId}Retrieves all access entitlements that a specific party has to their related accounts.
Party Access EntitlementPOST {baseURL}/party-access-entitlementManages party access entitlement.
PaymentPOST {baseURL}/paymentsInitiate payment from one account to another.

Error mapping

The following table maps each FiservDNA code to its Grand Central counterpart.
FiservDNA codeGrand Central code
100001GC101
100001GC201
100001GC055
100001GC401
10001GC101
10001GC201
10001GC055
1001GC025
6502GC025
6502GC028
2291GC025
510001GC025
510006GC025
99999GC409
100GC401
For a complete list of Grand Central error codes and their descriptions, see error codes reference.