# yoy.fyi

> Free short links and QR codes with click analytics (by day, source, country and device). Works from the website, a REST API, and from ChatGPT or Claude through a remote MCP server with OAuth sign-in (Google account).

## Use it from an AI assistant

- MCP server (Streamable HTTP, OAuth 2.1): https://yoy.fyi/mcp
- In claude.ai or ChatGPT, add it as a custom connector with that URL, then sign in with Google.
- Setup guide: https://yoy.fyi/en/docs/mcp (also https://yoy.fyi/docs/mcp in Ukrainian, https://yoy.fyi/es/docs/mcp, https://yoy.fyi/fr/docs/mcp)
- Tools: create_link, create_links, update_link, disable_link, list_links (search), get_link, get_qr (PNG image), get_click_timeseries, get_click_breakdown, get_conversions, get_bio, update_bio, whoami.

## API

- OpenAPI contract: https://yoy.fyi/v1/openapi.json

## Blog (English)

- [Which link brought the sign-ups and the money: conversions in yoy.fyi](https://yoy.fyi/blog/en/track-signups-from-short-links): How to tell yoy.fyi that a click ended in a sign-up or a purchase, and see on the link's page how many people and how much money it brought.
- [A hundred short links at once from a CSV file](https://yoy.fyi/blog/en/bulk-short-links-from-csv): How to create many yoy.fyi short links with one file from a spreadsheet, and how to export your links and clicks back to CSV.
- [How your link looks in Telegram, and how to change it](https://yoy.fyi/blog/en/custom-link-preview-in-telegram): Set your own title, description and image for the preview of a short link in Telegram, Facebook, WhatsApp and other messengers.
- [A free link-in-bio page on yoy.fyi](https://yoy.fyi/blog/en/free-link-in-bio-page): One address for your Instagram or Telegram bio that lists your links, with click stats for each of them.
- [A QR code for posters that you can still change after printing](https://yoy.fyi/blog/en/qr-codes-for-print): How to prepare a print QR code on yoy.fyi so it scans, counts scans separately and points where it should, even after printing.
- [Short links and QR codes straight from ChatGPT or Claude](https://yoy.fyi/blog/en/short-links-and-qr-from-chatgpt-and-claude): Connect yoy.fyi to Claude or ChatGPT and create working short links, QR codes and click stats with a plain chat message.
- [One link for Telegram, Instagram and email, and you still know where each click came from](https://yoy.fyi/blog/en/utm-links-for-telegram-and-instagram): Why stats often can't tell where a visitor came from, and how UTM tags on yoy.fyi short links fix it without making extra links.

## Other languages

- Українська: https://yoy.fyi/blog/uk
- Español: https://yoy.fyi/blog/es
- Français: https://yoy.fyi/blog/fr