Top 10 Best Vendor Portal Software of 2026

SAP Ariba is a comprehensive cloud-based procurement platform featuring a robust Vendor Portal that enables suppliers to self-service onboard, manage catalogs, submit invoices, track payments, and collaborate in real-time with buyers. It streamlines the entire procure-to-pay process, providing visibility into orders, compliance, and performance metrics. Integrated with the massive Ariba Network, it connects millions of trading partners globally, making it ideal for complex supply chains. Its scalability and analytics empower enterprises to optimize vendor relationships and reduce costs.

Coupa's Vendor Portal, part of its comprehensive cloud-based spend management platform, enables suppliers to self-service manage profiles, submit invoices electronically, track purchase orders, and monitor payments in real-time. It supports multi-language, multi-currency operations and integrates deeply with ERP systems like SAP and Oracle for seamless data exchange. The portal provides analytics dashboards for performance insights, helping vendors optimize cash flow and relationships with buyers.

Jaggaer is a comprehensive cloud-based source-to-pay platform with a robust vendor portal that enables suppliers to self-manage onboarding, catalogs, RFQs, orders, invoicing, and payments. It provides real-time collaboration tools, analytics, and compliance features for global supply chains. Designed for enterprise-scale procurement, it integrates seamlessly with ERP systems and supports multi-language and multi-currency operations.

Ivalua is a comprehensive source-to-pay (S2P) platform with a robust vendor portal that enables suppliers to self-service manage profiles, access purchase orders, submit invoices, and track payments in real-time. It facilitates seamless collaboration between buyers and vendors through tools for RFx responses, contract management, and performance monitoring. Integrated with Ivalua's broader procurement suite, the portal provides end-to-end visibility and analytics to streamline supplier relationships.

GEP SMART is a cloud-native, AI-powered source-to-pay platform from GEP that features a robust vendor portal for supplier collaboration, onboarding, and management. It enables vendors to self-service tasks like profile updates, invoice submissions, order tracking, and payment monitoring in real-time. The solution integrates procurement, spend analysis, and contract lifecycle management, providing enterprises with end-to-end visibility and efficiency in vendor interactions.

Zycus is a comprehensive source-to-pay procurement platform featuring a robust Vendor Portal that enables suppliers to self-manage onboarding, catalogs, orders, invoices, and payments. It facilitates real-time collaboration, performance tracking, and compliance through a unified interface integrated with the broader Merlin Suite. Leveraging AI-driven insights, it helps optimize supplier relationships and streamline procurement processes for enterprises.

Basware offers a robust Vendor Portal as part of its comprehensive source-to-pay platform, allowing suppliers to self-service invoice submission, payment tracking, purchase order management, and real-time collaboration with buyers. It emphasizes global e-invoicing compliance across numerous countries and seamless integration with major ERP systems like SAP and Oracle. The portal streamlines accounts payable processes while providing analytics for better spend visibility and supplier performance.

Oracle Procurement Cloud is an enterprise-grade cloud platform that automates end-to-end procurement processes, including sourcing, purchasing, and supplier management. Its integrated Supplier Portal allows vendors to securely access purchase orders, submit invoices electronically, manage contracts, and track payments in real-time. Designed for large organizations, it leverages AI-driven insights and seamless integration with Oracle's broader ERP ecosystem to enhance supplier collaboration and compliance.

Tipalti is an end-to-end accounts payable automation platform featuring a self-service vendor portal that enables suppliers to onboard, submit invoices, manage tax information, and track payments globally. It automates invoice processing, tax compliance (including 1099/W-8 forms), and mass payments in 196 countries across 120+ currencies. The solution integrates seamlessly with ERP and accounting systems like NetSuite, QuickBooks, and Xero, making it suitable for scaling businesses with complex payable needs.

AvidXchange is a comprehensive accounts payable (AP) automation platform designed to streamline invoice processing, approval workflows, and vendor payments for mid-market businesses. Its Vendor Portal empowers suppliers with self-service access to view invoice statuses, submit banking details, track payments, and receive funds via ACH, checks, virtual cards, or wires. The solution integrates deeply with over 200 accounting systems like QuickBooks, NetSuite, and Sage, reducing manual data entry and errors across the AP cycle.