# Use cases

> What freelancers deliver with colis: mock-ups signed off, builds from CI, heavy files, confidential deliverables; and what happens next: invoicing on approval, change requests in your tools, AI summaries.

Canonical: https://colis-site.vercel.app/en/use-cases · Markdown: https://colis-site.vercel.app/en/use-cases.md · Français: https://colis-site.vercel.app/use-cases

Four ways of delivering, and three things that can happen once your client answers.

## From your machine to your client.
The delivery page for people, the CLI for pipelines, and the same receipt behind both.

- [Get a mock-up signed off: A PDF or an image sent under a code, previewed by the client in the page, approved in one click or sent back with a comment.](https://colis-site.vercel.app/en/use-cases/valider-une-maquette)
- [Deliver from CI: Every test build sent from CI under a code, and the client’s answer coming back as a status: approved, or changes.](https://colis-site.vercel.app/en/use-cases/livrer-depuis-la-ci)
- [Deliver heavy files: Up to 2 GB by default, sent by the browser straight to your bucket, in parts, resumed if the connection drops.](https://colis-site.vercel.app/en/use-cases/fichiers-lourds)
- [A confidential delivery: A password the client types once, a short lifetime, and a code that is gone at the first download.](https://colis-site.vercel.app/en/use-cases/livraison-confidentielle)

## What happens once they answer.
Every step is a signed webhook. n8n, or a route of your own, takes it from there.

- [Invoice on approval: An n8n trigger on parcel.approved: you are told, and the invoice goes out with the parcel’s code as its reference.](https://colis-site.vercel.app/en/use-cases/facturer-a-la-validation)
- [Change requests in your own tools: Every request for changes arrives signed on your route, with the client’s comment, ready to become a ticket.](https://colis-site.vercel.app/en/use-cases/corrections-dans-vos-outils)
- [An AI summary of every deliverable: When a document is sent, n8n downloads it, extracts the text and writes a five-line summary for the project log.](https://colis-site.vercel.app/en/use-cases/resume-ia-des-livrables)