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Use casesFull-stack apps

Build a marketplace that connects both sides

Create a shared platform where providers can list an offering and customers can discover, compare, and respond.

Edit this starter brief to make it yours, then send it to start for free.

How it works

From idea to two-sided marketplace

Test whether a focused market can attract supply and demand before investing in a large platform.

  1. 1

    Map the workflow

    Describe the people, records, and decisions your two-sided marketplace needs to support.

  2. 2

    Build the system

    First connects provider listings, discovery and filters, and the screens needed to operate them.

  3. 3

    Refine the logic

    Test real scenarios, then change the rules, data, and enquiry flow through conversation.

  4. 4

    Launch the workflow

    Publish the app for real users and continue improving it without rebuilding from scratch.

What you can include

The essentials for a strong two-sided marketplace

Provider listings
Discovery and filters
Enquiry flow

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Common questions

How quickly can I build two-sided marketplace?

You can create a working first version in minutes, then refine the design and functionality by continuing the conversation.

Will I get a working two-sided marketplace or just a design?

First creates a working first version you can use in the live preview. You can then add screens, data, and workflows by continuing the conversation.

Do I need to know how to code?

No. Explain what you need in everyday language. First handles the implementation and shows each change in a live preview.

Can I change it after the first version?

Yes. Ask for changes in chat, review the updated app, and keep refining the design and behavior until it fits your workflow.

Can I use my own content and images?

Yes. Add your real copy, images, files, and business details so the result reflects your product instead of placeholder content.

Can I publish what I build?

Yes. When your app is ready, you can publish it from First and share the live link.

Build your two-sided marketplace now

Start with your goals and workflow. First turns them into a working two-sided marketplace you can refine and publish.

Start building