Features

Every module a marketplace needs

One suite, 50+ modules, full source for licensees. Every module is extensible at its own seams – nothing here is a black box.

The open source core already runs the engine. Enterprise is the same engine – extended, operated, and supported for production.

50+ modules, one platform, full source for the people who run them

Vendor Onboarding — Self-serve registration, invite, and member-invite flows with a full account status lifecycle.
Vendor Account — Business profile, address, professional and payment details, and metadata per seller.
Vendor Team — Many-to-many members and roles, multiple stores per user, and a store switcher.
Vendor Management — Admin seller directory, a premium tier flag, and scheduled store closures.
Seller Verification — KYC and KYB behind a swappable provider, with the commercial gate kept apart from the banking gate.
Seller Scoring — Rolling KPI scores for returns, complaints, and response time, with tiering and auto-suspension.
Seller CRM — Recruit, onboard, and farm lifecycle tracking with checklists, document management, and bulk comms.

Catalog — Categories, collections, tags, product types, and a typed product-attribute catalog.
Master Products — Single shared canonical catalog with a product-seller allowlist link.
Offers — Per-seller SKU, offer-scoped price, offer-scoped inventory, and shipping profile.
Offer Status & Diagnosis — Reason code on every offer that cannot be sold.
Product Change Pipeline — Immutable change-request records with typed actions and a pending, confirmed, declined, canceled or requires-action review lifecycle.
Pricing — Vendor and region price lists, and price preferences.
Price History — Immutable price history, and the Omnibus disclosure that runs on it.
Inventory — Offer-scoped inventory items, stock locations, and reservations.
Offer Search & Indexing — Offer index and search provider of its own, with faceted search.
Buy Box Engine — Best-offer selection weighting price, delivery time, and seller quality score.
Product Matching & Deduplication — EAN-based matching that collapses duplicate listings onto one master product.
Category Auto-Matching — Vendor taxonomy mapping and EAN-to-category validation.
AI Data Enrichment — AI attribute extraction, auto-categorization, and feed cleanup from messy vendor data.

Checkout — Persistent multi-vendor cart spanning offers from multiple sellers.
Order Splitting & Order Groups — One cart split into a per-seller order plus a parent order group.
Order Workflow — Three statuses that move independently for the order, its fulfillment, and its payment.
Shipping — Vendor shipping profiles, options, option types, fulfillment sets, and fulfillment providers.
Returns — Vendor-defined return reasons, RMAs, claims, and exchanges.
Delivery Tracking Hub — Courier-broker label generation and enriched tracking.
Dispute Management — Cases against one order line, filing windows from three separate events, evidence and attachments.
Complaint Routing — Message routing that separates complaints from ordinary customer questions.

Payments — Provider-agnostic split payment per vendor, with capture and refund.
Payouts — Payout accounts, provider onboarding, payout workflows, with Stripe Connect out of the box.
Commission — Rule-based engine across product, type, collection, category, and seller.
Refunds — Per-line refunds and configurable refund reasons.
Tax — VAT and tax per line item, behind a tax provider.
Financial Ledger & Reconciliation — Double-entry ledger with Pending, Payable and Paid balances kept apart per currency.
Invoices & Credit Notes — Invoices and credit notes with a continuous number sequence per issuer.
Advanced Commission Rules — Capped and tiered commissions with automatic promotional start, end, and expiry.
Payout Cycles & AML — Configurable payout cycles with reserves, and holds that carry their basis.

Import & Integration Framework — Baselinker, Apilo, and API feed connectors with a mapping wizard.
Inventory Synchronization — Real-time and scheduled ERP stock sync with atomic reservation.
Connectors — Ready integrations with Magento, ERP, PIM, and storefront platforms.

Promotions — Vendor-scoped and platform-wide promotions with promo codes.
Campaigns — Vendor-scoped and marketplace-wide campaigns with vendor opt-in.
Reviews — Customer reviews for products and sellers, with aggregate seller ratings.
Review Moderation — Moderation panel with flag, hide, and restore.
Workflow Engine — Workflows with compensation and rollback, and extension hooks.
Campaign Pages — Themed campaign pages with seller participation flows.
Operational Analytics — GMV, commission, and velocity dashboards with real-time financial health.

RBAC — Auto-registered roles module with vendor-scoped, row-level data isolation.
Operator Roles & Scope — Deny by default, a policy per operation, row scope that narrows what a role can see.
API — Fully typed REST API across admin, vendor, and store scopes.
Multi-channel — Sales channels, regions, tax regions, multi-currency, and i18n.
Content Translations — Translation module with a fallback language.
Notifications & Event Outbox — Notifications, email, and outgoing webhooks from an outbox.
Admin & Vendor Dashboards — Two panels on a shared design system, extensible through the Dashboard SDK.
Infrastructure — MIT-licensed and self-hostable on any cloud or on-premise.
Terms Versioning & Acceptance — Versioned terms of service published append-only.
Compliance Layer — Omnibus price history, period-correct tax, GPSR and energy-label fields, GDPR retention.
Audit Log — Append-only with database triggers and partitions, including the value before and after every change.
SSO & Data Controls — Enterprise SSO, export controls, and multi-tenant isolation.

Modules ship as registry blocks you copy straight into your own repo — buy one and the source is yours, with no vendor code left to patch.

Talk to the team behind Mercur — how it works, how other brands build with it, and what it would take for yours.

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