Washington Electronic Billing Authorization (WEB) is an electronic payment system created for the state of Washington to process and pay for state government services and goods. It uses an online portal to streamline the payment process, allowing for quicker and more efficient payments. WEB is used by state agencies, local governments, and vendors to submit invoices, receive payments, and track payment history. It supports multiple payment types including credit cards, ACH, and EFT. There are two types of WEB: WEB Professional and WEB Financials. WEB Professional is designed for vendors and local governments to submit invoices and receive payments electronically. WEB Financials is designed for state agencies to manage and track their financial transactions. Both WEB Aversions provide secure, efficient, and cost-effective payment solutions to the state of Washington.