Blog
Insights from building marketplaces, the model behind them, and lessons from production. Straight from the team behind Mercur.

Best Marketplace Software in 2026: Top 13 Platforms Compared & How to Choose One for Your Business
How to choose the best marketplace software and what 13 multi-vendor platforms cost in practice. Comparison with prices checked in November 2026.
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What Is a Marketplace Buy Box and How It Works
When several sellers list the same product, a marketplace buy box picks the winning offer. Here is how it works and why most platforms make you build it.

Marketplace Commission Structure: Types and How to Set Them
A practical guide to marketplace commission structures - flat, tiered, per-category, and per-seller rates, and what a commission engine needs to run them.

How to Build a B2B Marketplace: A Practical Guide
A practical guide to building a B2B marketplace - net terms, RFQ flows, approval workflows, and contract pricing that B2C platforms don't handle.

Marketplace Monetization Models: Beyond Transaction Fees
Commission on GMV is the default marketplace monetization model - and the most expensive at scale. A guide to 5 models and how to choose.

Marketplace Catalog Management: Fixing 3P Data Quality
Your 3P catalog will always look worse than your 1P catalog. A guide to marketplace catalog management - templates, validation, and AI enrichment.

The Split Basket Problem: Where 1P and 3P Diverge
One cart, multiple sellers, inconsistent rules. A guide to the split basket problem in hybrid marketplaces and the 10 areas where 1P and 3P diverge.

How to Develop a Custom Marketplace: Step-by-Step Guide
A practical step-by-step guide to custom marketplace development - tech stack, MVP scope, integrations, and timelines for dev leads and PMs.

Vendor Hunting and Farming: Acquire and Retain Sellers
A practical guide to marketplace seller onboarding - how to acquire sellers (hunting) and retain top vendors (farming) with a repeatable process.

What Is an Online Marketplace? A Guide for B2B Teams
Learn what an online marketplace is, how it works, and why platforms like Shopify and Magento aren't built for multi-vendor operations - with a breakdown of what you actually need.

Marketplace Data Security: The Multi-Vendor Open Secret
Most marketplace platforms can't tell you who exported your seller base. A practical guide to marketplace data security, audit logs, and RBAC.

The Marketplace Platform Transition: From Experiment to Core Business
Most retailers launch a marketplace platform as a test. Here are 8 signals you have already crossed into strategic territory - and what to do next.

How to Create Your Own Marketplace in 2026: A Step-by-Step Guide
Step-by-step guide to creating a marketplace from scratch. Covers business models, technology stack selection, development costs, and launch strategy based on 30+ marketplace projects.
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