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Reduce manual virtual card posting with straight-through processing

Straight-through processing (STP) connects payment and remittance data to streamline reconciliation.

July 27, 2026 | 5-minute read

In this article

Virtual card payments can reduce reliance on paper checks — but they don’t always eliminate the manual work that follows. In many cases, teams still need to locate payment details, match remittance and post transactions across multiple systems. 

STP addresses this gap by connecting payment and remittance data through participating merchant processors, automating reconciliation and reducing manual effort. The result is a streamlined workflow with fewer delays, less rework and cleaner cash application that keeps receivables moving. 

Why virtual card payments still create work

Efficient payment delivery is critical, yet many provider organizations still operate in fragmented environments. While virtual cards can reduce paper checks, posting often requires staff to complete the following before payments are fully applied: 

  • Retrieve card details
  • Process transactions
  • Match remittance 
  • Resolve exceptions

To address this, Optum Financial is focused on driving digital adoption and standardizing payment workflows — reducing administrative burden while improving consistency across the payment lifecycle.

What STP changes

STP brings payment and remittance data together into a more consistent, automated workflow. By connecting these elements through participating merchant processors, STP reduces the manual work tied to virtual card payments and helps standardize how payments move from acceptance to posting. 

At a high level, STP automates key steps across the payment lifecycle — acceptance, settlement and posting — so provider teams spend less time on manual entry, matching and follow-up and more time keeping revenue cycles moving. 

What’s included in STP

STP helps streamline payment workflows by automating processes that are often handled manually today. This includes: 

  • Automated acceptance, settlement and posting through participating merchant processors 
  • Automated payment and remittance posting into provider revenue workflows 
  • A common API framework that supports merchant processor and RCM integrations 
  • Support for both Consumer to Business (C2B) and Business to Business (B2B) payment flows 
  • Built-in exception handling to resolve issues when payments or remittance data cannot be automatically matched

How STP is delivered through participating merchant processors

STP is delivered through participating merchant processors that manage the provider-facing experience and automate payment workflows end to end. These partners receive payment data via API integration, process transactions and feed both payment and remittance data directly into provider systems. 

While availability may vary by payer and provider, this model creates a more consistent, connected workflow that reduces fragmentation and manual intervention. 

Participating merchant processors

Participating merchant processors offer provider-facing tools that automate payment acceptance, settlement and posting — helping reduce manual work and streamline reconciliation.

CSG Forte

Tools/capabilities: CSG Forte delivers automated virtual card acceptance, settlement and posting to reduce manual processing and streamline payment workflows. It connects payment and remittance data to simplify reconciliation, improve visibility and reduce rework across the revenue cycle.

CSG Forte also provides secure, compliant transaction processing to protect payment and remittance data while supporting reliable operations at scale. With a structured onboarding approach, providers can implement quickly and begin accelerating payment workflows. 

Provider clients served: CSG Forte supports providers of all sizes across clinical settings — from individual practices to large health systems — helping standardize workflows, reducing administrative burden and improving cash flow.

Rectangle Health — PayerSync™

Tools/capabilities: PayerSync from Rectangle Health delivers payment and remittance data together in a single automated flow to reduce manual reconciliation. It embeds remittance data directly into the payment transaction to streamline posting and eliminate fragmented workflows.

PayerSync integrates with PMS, EMR and EHR systems to move reimbursement data into existing workflows and standardizes payment explanations across payers to improve consistency and reduce follow-up. It also accelerates onboarding with a fast setup that enables providers to begin receiving payments quickly. 

Provider clients served: PayerSync supports providers of all sizes and specialties with a faster path from payment to posting, while enabling consistent workflows to reduce administrative burden and improve cash flow. 

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Disclaimers:

  • STP is delivered through participating merchant processors. Availability varies by payer and provider.
  • This product does not use AI.