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Meet builders using Codex to ship real software. Join hands-on build nights, hackathons, workshops, and demos around the world, from first setup to multi-agent workflows, plugin, automations, and mor.

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DevDay Exchange Community: Barcelona

Name: DevDay Exchange Community: Barcelona
Start: 2026-11-21T10:00:00.000+01:00
End: 2026-11-21T17:00:00.000+01:00
Location: Itnig Café

Codex Community Events

Itnig Café

Barcelona, Spain

Approval Required

Your registration is subject to host approval.

Welcome! To join the event, please register below.

About Event

Join us for the DevDay Exchange Community Hackathon in Barcelona, a whole day dedicated to building with Codex, OpenAI’s coding agent, and ChatGPT app.

Bring an idea, a project you want to push forward, or simply your curiosity. You’ll build alongside other builders and OpenAI's engineers, turning ideas into working prototypes.

We’ll kick off with a short introduction and the latest on Codex, then move quickly into hacking. Build solo or team up with others, with experienced Codex users around to help, share workflows, and unblock you.

At the end, we’ll come back together for live demos of what people built and awesome PRIZES.

Whether you already use Codex every day or you’re exploring coding agents for the first time, come ready to build, experiment, and ship.

Demo & Project Opportunities
Have an idea you want to hack on, or an existing Codex project you’d like to demo? Tell us in the registration form and include a short description or link. We’ll select a few projects for inspiration during the day.

Location