book_transfer_token uuid required Id of the book transfer to retrieve memo string length ≤ 512 Optional descriptor for the reversal. # 200 OK object Base class for all transaction types in the ledger service status string enum required The status of the transaction PENDING, SETTLED, DECLINED, REVERSED, CANCELED, RETURNED token uuid required Unique identifier for the transaction created date-time required ISO 8601 timestamp of when the transaction was created updated date-time required ISO 8601 timestamp of when the transaction was last updated family const enum required TRANSFER - Book Transfer Transaction TRANSFER result string enum required APPROVED, DECLINED category string enum required ADJUSTMENT, BALANCE_OR_FUNDING, DERECOGNITION, DISPUTE, FEE, INTERNAL, REWARD, PROGRAM_FUNDING, TRANSFER currency string required 3-character alphabetic ISO 4217 code for the settling currency of the transaction settled_amount integer required Amount of the transaction that has been settled in the currency's smallest unit (e.g., cents) pending_amount integer required Pending amount of the transaction in the currency's smallest unit (e.g., cents), including any acquirer fees. The value of this field will go to zero over time once the financial transaction is settled. events array of objects required A list of all financial events that have modified this transfer events* object Book transfer Event amount integer required Amount of the financial event that has been settled in the currency's smallest unit (e.g., cents). type string enum required Type of the book transfer ATM_BALANCE_INQUIRY, ATM_WITHDRAWAL, ATM_DECLINE, INTERNATIONAL_ATM_WITHDRAWAL, INACTIVITY, STATEMENT, MONTHLY, QUARTERLY, ANNUAL, CUSTOMER_SERVICE, ACCOUNT_MAINTENANCE, ACCOUNT_ACTIVATION, ACCOUNT_CLOSURE, CARD_REPLACEMENT, CARD_DELIVERY, CARD_CREATE, CURRENCY_CONVERSION, INTEREST, LATE_PAYMENT, BILL_PAYMENT, PAYMENT_FEE, CASH_BACK, ACCOUNT_TO_ACCOUNT, CARD_TO_CARD, DISBURSE, BILLING_ERROR, LOSS_WRITE_OFF, EXPIRED_CARD, EARLY_DERECOGNITION, ESCHEATMENT, INACTIVITY_FEE_DOWN, PROVISIONAL_CREDIT, DISPUTE_WON, SERVICE, TRANSFER, COLLECTION result string enum required APPROVED financial events were successful while DECLINED financial events were declined by user, Lithic, or the network. APPROVED, DECLINED created date-time required Date and time when the financial event occurred. UTC time zone. token uuid required Globally unique identifier. subtype string required The program specific subtype code for the specified category/type. memo string required Memo for the transfer. detailed_results array of objects required APPROVED, FUNDS_INSUFFICIENT from_financial_account_token uuid required Globally unique identifier for the financial account or card that will send the funds. Accepted type dependent on the program's use case to_financial_account_token uuid required Globally unique identifier for the financial account or card that will receive the funds. Accepted type dependent on the program's use case external_idstringnull External ID defined by the customer transaction_series A series of transactions that are grouped together Transaction Seriesnull Transaction Series object external_resource An external resource associated with the transfer ExternalResourcenull ExternalResource object # 400 A parameter in the query given in the request does not match the valid queries for the endpoint. # 401 User has not been authenticated | Invalid or missing API key | API key is not active | The API key used is no longer active | Could not find API key | The API key provided is not associated with any user | Please provide API key in Authorization header | The Authorization header is not in the request | Please provide API key in the form Authorization: [api-key] | The Authorization header is not formatted properly | Insufficient privileges. Issuing API key required | Write access requires an Issuing API key. Reach out at [lithic.com/contact](/content/contact/index.html) | | Insufficient privileges to create virtual cards. | Creating virtual cards requires an additional privilege | # 404 The specified resource was not found. # 429 Client has exceeded the number of allowed requests in a given time period. | Rate limited, too many requests per second | User has exceeded their per second rate limit | Rate limited, reached daily limit | User has exceeded their daily rate limit | Rate limited, too many keys tried | One IP has queried too many different API keys. Updated 3 months ago * * * ShellNodeRubyPHPPython ```bash curl --request POST \ --url https://sandbox.lithic.com/v1/book_transfers/book_transfer_token/reverse \ --header 'accept: application/json' \ --header 'content-type: application/json' \ --data '{"memo":"string"}' ``` ``` { "status": "PENDING", "token": "3fa85f64-5717-4562-b3fc-2c963f66afa6", "created": "2026-07-18T00:25:17.923Z", "updated": "2026-07-18T00:25:17.923Z", "family": "string", "result": "APPROVED", "category": "ADJUSTMENT", "currency": "USD", "settled_amount": 500, "pending_amount": 1000, "events": [ { "amount": 0, "type": "ATM_BALANCE_INQUIRY", "result": "APPROVED", "created": "2026-07-18T00:25:17.923Z", "token": "3fa85f64-5717-4562-b3fc-2c963f66afa6", "subtype": "string", "memo": "string", "detailed_results": [ "APPROVED" ] } ], "from_financial_account_token": "3fa85f64-5717-4562-b3fc-2c963f66afa6", "to_financial_account_token": "3fa85f64-5717-4562-b3fc-2c963f66afa6", "external_id": "string", "transaction_series": { "type": "FEE", "related_transaction_token": "123e4567-e89b-12d3-a456-426614174000", "related_transaction_event_token": "123e4567-e89b-12d3-a456-426614174000" }, "external_resource": { "external_resource_type": "STATEMENT", "external_resource_token": "string", "external_resource_sub_token": "string" } } ``` Updated 3 months ago * * *