Electronic Payment Processing for Illinois Local Governments
Secure, Streamlined Payment Services for Illinois Public Agencies
ePAY helps Illinois state and local government agencies securely accept payments online and in person. The service can reduce paperwork, simplify reconciliation and reporting, and make it easier for agencies to manage payment operations.
Use the resources below to:
- Learn how ePAY works
- Explore payment and system integration options
- Prepare your agency for enrollment
- Connect existing systems to streamline reporting and reconciliation
For Agencies Considering ePAY
At ePAY, our goal is to provide your organization and the people you serve with a smooth, reliable payment experience. Integrating ePAY with your existing systems can help simplify payment processing, improve the user experience, and reduce back-office workload. Find answers to common questions about ePAY, including enrollment, payment processing, settlement accounts, PCI compliance, reporting, fees, and funding options for Illinois public agencies.
If you believe there is an opportunity to improve your current or planned payment process, contact illinoisepay@illinoistreasurer.gov to schedule a call with your team and solution provider. You can also complete the online ePAY form to get started.
For Solution Providers
Companies that provide software or payment services to Illinois public agencies can integrate their solutions with ePAY. Available integration methods include:
- REST APIs
- SOAP APIs
- Payment redirects
- Point-of-sale wrappers
Developer documentation is available to support implementation. To discuss connecting your solution with ePAY, email illinoisepay@illinoistreasurer.gov.
ePAY Integration Partners
ePAY works with solution providers to expand integration options for participating agencies. If your agency’s current provider is not listed as an ePAY integration partner, email illinoisepay@illinoistreasurer.gov to discuss a possible integration.
Need Help with ePAY?
Get help with online, credit card, debit card, and ACH/e-check payments. Support is available 24 hours a day, 7 days a week, 365 days a year for agencies and residents.
Call the ePAY Help Desk: 855-226-7337
You can also submit a request online through the ePAY ticketing portal.

