Automated Clearing House (ACH) is an electronic network for financial transactions in the United States. The network is a computer-based clearing and settlement facility established to process the exchange of electronic transactions between participating depository institutions.

An ACH Credit is an electronic credit (deposit) initiated by a company or person(s) to the benefit of another person’s or company’s financial bank account.

An ACH Debit is an electronic debit (deduction) initiated by a company or person(s) against a financial bank account.

Batch upload functionality allows users to upload CSV files consisting of customer account data to initiate Check 21 or ACH/PAD debits and credits.

A cashier's check is a check guaranteed by a bank and drawn on the bank's funds. Cashier's checks are treated as guaranteed funds because the bank is responsible for paying the amount. Cashier's checks can be scanned using Payology Check Scanning and transmitted and debited using the Check21.com Payment Gateway.

A certified check is a personal check written by an account holder, drawn on the holder’s account, and guaranteed by the bank. Money Orders and Cashier's Checks are types of Certified Checks.

The Check Clearing for the 21st Century Act (Check 21 Act) is a United States federal law that was enacted on October 28, 2003, by the 108th U.S. Congress. The law allows the recipient of a physical paper check to create a digital version of the original check. Check 21 eliminated the need for further handling of the physical document.

In most cases, checks items are returned when the financial bank account being drawn on is frozen, closed, or does not have sufficient funds to cover the transaction amount. Clients utilizing the Check21.com Payment Gateway can enroll in automated check reconciliation.

Also known as remote deposit capture (RDC), companies scan physical check items and transmit them to their financial institution for deposit.

A payment made to purchase a product or service using a Visa, MasterCard, Discover, or American Express credit card.

Deposit adjustments are corrections to a deposit made at a client’s financial institution after processing the deposit.

A portal that allows an end-customer or vendor to view balances owed to them or by them to a Check21.com Payment Gateway client.

An Image Cash Letter (ICL) is a substitute check where a physical check item was converted to an electronic/digital image. The Image Cash Letter service is provided by US banks to customers attempting to process Check 21 items.

Both the Payology Check Scanning app and SDK perform Image Quality Testing, ensuring that each scanned item will pass Federal Reserve IQA requirements. Streaks, skewed items, excessive spotting, framing, brightness, and dog ears are just some of the IQA tests examined upon the scanning of items.

A money order is a payment order for a pre-specified amount of money, usually issued by a bank or post office. This type of payment is accepted by utilizing Payology Check Scanning or the Check21.com Payment Gateway.

Recurring Payments allow organizations to automatically create debit and/or credit payments on a predetermined future date. With ease, an organization can set transactions to Recur on X of Month, Recur Every X Days, Recur Annually, Semi-Annually, Tri-Annually, and Quarterly.

A Restful API is a standard client-to-server communication method, that utilizes http requests to GET, PUT, POST, and DELETE data. The Check21.com Payment Gateway allows customers using the Restful API to create, update, and delete transactions, customers, customer accounts, and returns.

Return Reconciliation is a function that allows an organization's financial institution to transmit ACH and check returns to the Check21.com Payment Gateway and subsequently, the organization’s Salesforce or cloud-based environment.

A virtual terminal is a web-based form that allows Check21.com Payment Gateway clients to initiate ACH and PAD debits/credits.

X9.37 is a file format that contains check images, deposit ticket images, and corresponding debit and deposit data. This file is utilized to transfer physical check images (Check 21) from one institution to another.