B2B Procurement Marketplace

Part of the worlds-biggest-software-project initiative.

An open-source, AI-native procurement platform that connects buyers and suppliers through structured RFQ workflows, automated bid analysis, and transparent spend management.

B2B Procurement Marketplace is a multi-supplier procurement platform designed for mid-market and enterprise buyers who need structured sourcing, purchase management, and supplier collaboration without the six-figure contracts and 12-month implementations demanded by incumbent platforms. It targets CPOs, procurement directors, finance teams, and IT procurement managers who want a modern, extensible alternative built on open standards.

Why B2B Procurement Marketplace?

Enterprise platforms are prohibitively expensive. SAP Ariba and Coupa command USD 100k--1M+ annual contracts with implementations that take 6--18 months, putting structured procurement out of reach for mid-market companies.
Mid-market tools are too narrow. Products like Prokuria cover sourcing events but lack marketplace features, supplier networks, and AP automation. Buyers outgrow them quickly.
No credible open-source option exists. Odoo and ERPNext offer basic purchasing modules but lack RFQ distribution, supplier discovery, eAuction capability, and spend analytics at the level procurement teams require.
AI is bolted on, not built in. Incumbents are retrofitting AI copilots onto legacy architectures (SAP's Joule, Coupa's Navi). An AI-native design can embed intelligence into the core workflow from day one.
Buyer UX remains poor. Enterprise procurement systems are criticised for dated interfaces, steep learning curves, and heavy configuration overhead. Buyers expect consumer-grade experiences.

Key Features

Sourcing and RFQ Management

RFQ, RFP, and RFI creation with digital tender management and structured response collection
Distribution to invited suppliers with email-based and portal-based quote submission
Side-by-side bid comparison with manual and AI-assisted award workflows
Reverse auction and eAuction module for competitive bidding scenarios

Purchase Order and Invoice Automation

Purchase order generation from awarded sourcing events with approval chains and status tracking
Three-way matching: purchase order, goods receipt, and invoice
AP automation with invoice capture and matching against approved orders
Multi-currency and multi-jurisdiction support for cross-border procurement

Supplier Management

Buyer and supplier account creation with role-based access and approval hierarchies
Supplier profile management with compliance document upload and verification
Supplier performance scoring and rating after order completion
ESG credential verification and sustainability scoring during onboarding

Spend Analytics and Compliance

Spend analytics dashboards with category, vendor, and business unit breakdowns
Maverick spend detection against approved procurement policies
Contract repository with expiry alerts and renewal workflows
Budget guardrails surfacing available budget at the point of request

Integration and Interoperability

REST API with OAuth 2.0 authentication for ERP integration
cXML PunchOut support for buyers using external procurement systems
EDI (ANSI X12 / EDIFACT) and UBL document exchange
Pre-built connectors for SAP, Oracle, NetSuite, and Workday

AI-Native Advantage

Unlike incumbents that bolt AI assistants onto legacy procurement workflows, B2B Procurement Marketplace is designed AI-first. The platform generates structured RFQ documents from plain-language buyer requirements, reducing sourcing cycle time from days to minutes. Embedding-based supplier matching identifies best-fit vendors from large catalogs using capability, compliance status, and past performance data. AI summarises and scores competing bids with confidence-scored shortlist recommendations, while NLP-driven contract risk extraction flags non-standard terms and missing clauses before sign-off. Spend pattern anomaly detection operates in real time against approved procurement policies to catch off-contract purchasing and duplicate orders.

Tech Stack & Deployment

The platform targets self-hosted, cloud, and hybrid deployment models. It is built on open B2B standards: cXML and PunchOut 2.0 for catalog integration, UBL (OASIS) for electronic business documents, EDI (ANSI X12 / EDIFACT) for purchase order and invoice exchange, and PEPPOL for cross-border document interoperability. The REST API uses OAuth 2.0 authentication. ERP integration is a baseline requirement, with connectors planned for SAP S/4HANA, Oracle, NetSuite, and Workday. The legal and IP landscape is clear: ERPNext (GPL v3) and Odoo Community (LGPL v3) demonstrate that open-source procurement tooling is viable, and the core protocols are all open standards.

Market Context

Global B2B ecommerce is projected to reach USD 36 trillion in 2026, growing at approximately 14.5% CAGR, with the procurement software segment sustaining consistent double-digit growth. Enterprise platforms command USD 100k--1M+ annual contracts (Coupa was acquired for USD 8 billion in 2023), while mid-market SaaS tools range from USD 350--1,000/month. Primary buyers are CPOs and procurement directors at manufacturing, retail, and logistics companies, finance teams seeking AP automation and spend visibility, and sustainability officers requiring ESG-compliant supplier sourcing.

Project Status

This project is in the research and specification phase. Contributions, feedback, and domain expertise are welcome.

Contributing

We welcome contributions from developers, domain experts, and potential users. See CONTRIBUTING.md for guidelines.

Important: All contributions must be your own original work or clearly attributed open-source material with a compatible licence. Copyright infringement and licence violations will not be tolerated and will result in immediate removal of the offending contribution. If you are unsure whether a piece of code, text, or other material is safe to contribute, open an issue and ask before submitting.

Licence

Licence to be determined. See discussion for context.