Opportunity
Carrollton Ionwave #RFP #26-028 Addendum 2
Merchant Card Processing Services for City of Carrollton – Support and Modernization of Existing Payment Systems
Posted
August 12, 2026
Respond By
September 16, 2026
Identifier
RFP #26-028 Addendum 2
NAICS
522320
The City of Carrollton, Texas, is seeking proposals for merchant card processing services to support its existing payment systems and channels. - Government Buyer: - City of Carrollton, Purchasing Department - OEMs and Vendors Mentioned: - Fiserv/First Data (current provider) - VertexOne (Utility Billing CIS) - InvoiceCloud/Bluefin - Verifone (PAYware Connect, M400 terminals) - PayPal (Payflow Pro) - PAX (A920 terminals) - CardConnect - Selectron (IVR) - Clover (Duo, standalone devices) - PetPoint - Products/Services Requested: - Merchant card processing services - Integration and support for existing platforms and devices - Option to propose alternative gateway solutions, consolidation, or modernization strategies - Unique or Notable Requirements: - Must support interchange-plus pricing and customer-paid fee models (fees must remain separate from processor pricing) - Vendors must validate compatibility with current systems and identify third-party dependencies - Clear outline of impacts, risks, and implementation requirements for any proposed changes - ACH/e-check processing is excluded from scope - Terminal counts, device types, and integration details specified in appendices - Target go-live in Summer/Fall 2027 - The procurement emphasizes maintaining compatibility with existing gateways and applications, while allowing for modernization or consolidation proposals.
Description
The City of Carrollton is soliciting proposals from interested vendors to provide merchant card processing services. The scope includes supporting the City's existing systems and payment channels, with potential for proposing alternative gateway solutions, consolidation opportunities, or architectural improvements. The City currently uses Fiserv/First Data as its primary merchant card processing provider and targets a go-live date in Summer/Fall 2027. Proposals should be submitted by September 16, 2026, and may be delivered in person, by mail, or electronically.