05Quintal · AI festival guide 2nd place at HackAiá 2026
São João guide for Sergipe, with chat and map.
I was the lead developer of Quintal, which placed 2nd out of 30 teams at HackAiá 2026. In two days I built the website: AI chat, map, schedule and the accessibility conditions of each spot. A teammate built the API and the AI, and another built the mobile app.
caso-05 · quintal
01 · problem
The chat depends on the API and on external AI providers. If any of them went down during the pitch or in use, people would see an error screen.
02 · decision
The website talks to the API through its own Next route with an 8-second limit. If the API doesn't answer or returns a 5xx error, that route builds the reply itself, matching the question against the chosen accessibility profile and the catalog of spots. In those cases the reply follows fixed rules, without AI. The map uses MapLibre with OpenFreeMap tiles, which don't need an access key.
03 · number
6 pages · 41 spots on the map · 44 events on the schedule · 2 days
