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Imessage Food Photo Nutritional Analysis with GPT 4 Vision & Memory Storage

by David HarveyUpdated Aug 2026

RequiresOpenAI

1/5

STEPS · 14

Starts on an incoming request

On an incoming iMessage webhook, GPT-4 Vision analyzes a food photo and returns its nutritional breakdown, storing the chat in Postgres memory.

Lovable Web App Builder

On a webhook request, generates web app HTML with OpenAI and returns it via the webhook response.

On form submission, enriches data via HTTP, generates a reply with an OpenAI agent, and emails it through Gmail.

On a chat message, an OpenAI agent extracts information and reads or writes records in Google Sheets in batches.