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Contact Us

Image of BrochureCorporate Offices

2 Huntington Quadrangle
3rd Floor North Wing
Melville, New York, 11747


Our highly qualified Sales Group is ready to answer any questions about our products, services and rates. State of the art payment systems and the most aggressive pricing in the industry.

Phone: 1-866-810-5876 Opt. 2
E-Mail: New Sales
Fax : 1-866-545-1436

Merchant Support

World-class customer service is the key and, the difference between us and the other guy.

For terminal or system questions/problems, deposit histories, fees, statement and fee inquiries, bank change requests, address changes, authorizations inquiries.

Phone: Phone: 1-866-810-5876 Opt. 4
Fax: 1-631-360-1247
E-Mail: Merchant Support
Hours: 24 / 7 / 365

Credit / Risk Department

The Risk Department is available to answer any questions in regards to pending application or issues regarding transactions under review.

Phone: 1-866-810-5876 Ext. 7531
Fax: 1-631-574-3123
E-Mail: Sales Support
Hours: 8:00 AM-6:00 PM, Monday-Friday

Sales Support

ISOs and Agents and Sales Representatives should contact their Sales Support Specialist with any product, system or application questions.

Phone: 1-866-810-5876 Opt. 5
Fax: 1-631-390-1246
E-Mail: Sales Support
Hours: 8:00 AM-6:00 PM, Monday-Friday

Chargeback and Retrieval Requests

The chargeback department is dedicated to providing quality-experienced assistance to all inquiries in reference to chargebacks and retrievals. From explaining the type of documents that need to be provided for a retrieval request to status inquiries of a chargeback case, our courteous and knowledgeable staff will gladly assist you in all your questions.

Phone: (800) 999-8674
Fax: (516) 962-7834
E-Mail: Risk
Hours: Monday-Friday, 9:00am-6:00pm

Supply Orders

Try our online order form under supply orders. Most orders before 3PM EST ship same day.

Phone: 1-866-810-5876
Fax: 1-631-574-3108
E-Mail: Deployment

Account Activation

The NEW ACCOUNTS group is responsible for all new clients until they are running live transactions. For any questions or to activate your new OnePay account please contact.

Phone: 1-866-810-5876 Opt. 3
Fax: 1-631-574-3108
E-Mail: New Accounts

Human Resources

OnePay is always looking for talented people to help our company grow. Go to the Careers screen to view our current openings.

Phone: 1-866-810-5876
Fax: 1-631-270-7507
E-Mail: Careers