Overview - Grand Central Documentation

The Mambu Core Connector provides pre-built connectivity with the Mambu cloud banking system through the Mambu API v2. It integrates with deposit accounts, loan accounts, payments, and party management. Supported version: Mambu API v2

Supported use cases

Deposit Accounts

Create, update, and manage deposit accounts with balance retrieval and transaction history

Loan Management

Comprehensive loan account operations including amortization schedules and payment tracking

Payments

Initiate payments and transfer funds between accounts

Party Management

Manage party records including customers and entities

Supported operations

The Mambu Connector supports the following operations from the Grand Central Unified API specification:

Deposit account

Operation	Endpoint
Create a new deposit account	`POST /deposit-accounts`
Get deposit account balances	`GET /deposit-accounts/balances`
Get deposit account details	`GET /deposit-accounts/{accountId}`
Update deposit account details	`PUT /deposit-accounts/{accountId}`
Close an inactive deposit account	`DELETE /deposit-accounts/{accountId}`

Your financial institution must generate deposit account numbers. Custom fields map account numbers to account IDs. For Grand Central connectors, Mambu returns only account IDs.

Deposit account transaction

Operation	Endpoint
Get transaction details of multiple accounts	`GET /deposit-account-transactions`
Get account transactions based on filters	`GET /deposit-account-transactions?filter={criteria}`
Get account transaction details by transaction ID	`GET /deposit-account-transactions/{transactionId}`

Loan account

Operation	Endpoint
Create a loan account	`POST /loan-accounts`
Get loan account details	`GET /loan-accounts`
Get loan account by loan ID	`GET /loan-accounts/{loanId}`
Get loan amortization schedule details	`GET /loan-accounts/{loanId}/amortization-schedule`
Get loan amortization payment details	`GET /loan-accounts/{loanId}/amortization-payments`

Loan account transaction

Operation	Endpoint
Get transaction details for multiple loans	`GET /loan-account-transactions`
Get loan transactions based on filters	`GET /loan-account-transactions?filter={criteria}`
Get loan transaction details by transaction ID	`GET /loan-account-transactions/{transactionId}`

Payment

Operation	Endpoint
Initiate a payment	`POST /payments`

Party

Operation	Endpoint
Create party	`POST /parties`
Update party details	`PUT /parties/{partyId}`
Get party details	`GET /parties/{partyId}`
Update party by party ID	`PUT /parties/{partyId}`
Patch party by party ID	`PATCH /parties/{partyId}`
Search party	`GET /parties?search={criteria}`
Get account balances for a party	`GET /parties/{partyId}/account-balances`
Get accounts for a party	`GET /parties/{partyId}/accounts`

Party search supports the following criteria:

Party ID
Party name, using the initial characters to search
Deposit account ID

For a complete list of Grand Central error codes and their descriptions, see error codes reference.

​Supported use cases

Deposit Accounts

Loan Management

Payments

Party Management

​Supported operations

​Deposit account

​Deposit account transaction

​Loan account

​Loan account transaction

​Payment

​Party

Supported use cases

Supported operations

Deposit account

Deposit account transaction

Loan account

Loan account transaction

Payment

Party