Nvoicepay AP Payment Automation API
Nvoicepay AP payment automation REST API for mid-market and enterprise companies to automate supplier payment execution across payment methods (virtual card, ACH, check) with payment reconciliation and supplier enrollment. Enables AI agents to manage supplier payment file ingestion from ERP for automated payment execution, handle virtual card (single-use) payment execution for supplier rebate optimization automation, access ACH payment processing for electronic supplier payment automation, retrieve check payment generation and mailing for supplier check automation, manage supplier enrollment and payment method preference collection for payment optimization automation, handle payment reconciliation and remittance advice delivery for AP reconciliation automation, access rebate and incentive management from virtual card payment programs for working capital optimization, retrieve payment status tracking and confirmation for AP workflow automation, manage exception handling and payment failure resolution for AP operations automation, and integrate Nvoicepay with ERP systems (SAP, Oracle, NetSuite, Microsoft Dynamics) for end-to-end AP payment automation.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
AP payments. PCI-DSS, SOC2, NACHA. OAuth2/API key. US. Supplier and AP payment data.
⚡ Reliability
Best When
A mid-market or enterprise company wanting AI agents to automate supplier payment execution across virtual card, ACH, and check, optimize supplier payment method mix for rebates, and reconcile AP payments through ERP-integrated payment automation.
Avoid When
VIRTUAL CARD REBATE PROGRAM SUPPLIER ACCEPTANCE DEPENDENCY: Nvoicepay virtual card rebate revenue depends on supplier acceptance of card payment; suppliers may decline virtual card and request ACH/check; automated payment optimization that assumes all suppliers will accept virtual card creates rebate revenue shortfall; supplier acceptance rate typically 30-60% of supplier base. ERP PAYMENT FILE FORMAT VALIDATION: Nvoicepay ingests payment files from ERP in specific formats; automated payment file generation from ERP must match Nvoicepay's accepted format specifications; malformed payment file creates rejected batch without per-payment error detail. CHECK PAYMENT TIMELINE FOR SUPPLIER PAYMENT TERMS: Nvoicepay check mailing has postal delivery time (3-7 business days); automated payment scheduling for check payments must account for mail delivery in supplier payment terms calculations; automated check payment dated on due date creates late payment if check delivery exceeds payment terms window.
Use Cases
- • Executing virtual card payments from supplier AP optimization agents
- • Processing ACH payments from electronic AP payment agents
- • Generating checks from supplier payment fulfillment agents
- • Enrolling suppliers from payment method optimization agents
Not For
- • Consumer payment processing
- • B2C merchant payment acquiring
- • International wire payments (Nvoicepay is US domestic focused)
Interface
Authentication
Nvoicepay uses API key and OAuth 2.0 for ERP integrations. REST API with JSON. Portland, Oregon HQ. Founded 2009 by Karla Friede, Anita Geldert, and Jason Kolaczyk. Acquired by Corpay (formerly FLEETCOR) in 2021. Products: AP payment automation, virtual card, ACH, check payment. ERP integrations: SAP, Oracle, NetSuite, Microsoft Dynamics, Sage Intacct. US-focused operations. PCI DSS. SOC2. Serves 800+ mid-market and enterprise customers. Competes with Bill.com for Business, Tipalti, and AvidXchange for AP payment automation.
Pricing
Portland OR. Corpay (FLEETCOR) subsidiary since 2021. Per-payment fee. Virtual card rebate share. US-focused. No free tier.
Agent Metadata
Known Gotchas
- ⚠ PAYMENT METHOD WATERFALL CONFIGURATION: Nvoicepay attempts payment by preferred method (virtual card first, then ACH, then check) based on supplier enrollment; automated payment workflows must understand payment method waterfall; automated payment confirmation receipt varies by method — virtual card confirms faster than ACH which confirms faster than check
- ⚠ SUPPLIER ENROLLMENT CAMPAIGN LEAD TIME: Nvoicepay supplier virtual card enrollment requires supplier participation agreement; automated supplier enrollment campaigns take weeks to achieve target enrollment rate; automated payment optimization ROI planning must account for enrollment campaign timeline before rebate revenue materializes
- ⚠ ACH NACHA PRENOTE VALIDATION PERIOD: New ACH-enrolled suppliers may require NACHA prenote validation before live ACH payment; automated ACH payment to new suppliers must account for prenote validation period (3-5 business days); automated payment to new ACH supplier without prenote completion creates ACH return
- ⚠ PAYMENT FILE DUPLICATE DETECTION: Nvoicepay duplicate payment detection uses payment reference number; automated ERP payment file re-submission after system error must use unique payment reference; automated re-submission with same reference creates duplicate payment rejection; implement unique reference generation for automated retry to avoid both duplicate and missed payment
- ⚠ CORPAY PARENT COMPANY INTEGRATION ROADMAP: Nvoicepay operates as Corpay subsidiary since 2021 acquisition; Corpay may integrate Nvoicepay capabilities into broader Corpay platform; automated payment programs built on Nvoicepay should monitor Corpay platform consolidation roadmap for potential API migration
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Scores are editorial opinions as of 2026-03-07.