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ChatGPT Sites Built My Mini SaaS
Turn a free flight API into a public SaaS MVP
I used ChatGPT Sites to turn a free flight API into FlightReady, a working mini SaaS for checking live flight updates. The video follows my FIND framework: discover a useful API, choose a focused product, narrow the MVP, build the first version, test it with real flights, fix delay logic and missing-data issues, then publish the app. You’ll see the four prompts, the real outputs, what ChatGPT Sites handled well, and where human review still mattered.
Hi Product Hunt 👋
This video is a practical build of FlightReady with ChatGPT Sites.
I started with Aviationstack’s free flight API, used my FIND framework to shape the product, narrowed it into one clear workflow, and built the first version with four prompts.
The initial app looked polished, but testing it with real flights exposed several problems:
- Missing departure delay and early-arrival calculations
- Incomplete details when one flight code returned multiple matches
- Missing gate data that needed a clearer fallback
- A generic logo that did not match the product
I described those exact issues to ChatGPT Sites, then tested the updated version again. FlightReady correctly calculated cross-midnight time differences, handled missing fields, improved route selection, and was published to a public URL.
The test also revealed a limitation outside the app: Aviationstack did not include every flight shown by the airport’s official website.
Curious to hear from you: what type of public API would you turn into a focused mini SaaS?
Comment “FIND” and I’ll send you the full prompts used in the video.
About ChatGPT Sites Built My Mini SaaS on Product Hunt
“Turn a free flight API into a public SaaS MVP”
ChatGPT Sites Built My Mini SaaS was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #127 on the daily leaderboard. I used ChatGPT Sites to turn a free flight API into FlightReady, a working mini SaaS for checking live flight updates. The video follows my FIND framework: discover a useful API, choose a focused product, narrow the MVP, build the first version, test it with real flights, fix delay logic and missing-data issues, then publish the app. You’ll see the four prompts, the real outputs, what ChatGPT Sites handled well, and where human review still mattered.
On the analytics side, ChatGPT Sites Built My Mini SaaS competes within Productivity, Artificial Intelligence and YouTube — topics that collectively have 1.1M followers on Product Hunt. The dashboard above tracks how ChatGPT Sites Built My Mini SaaS performed against the three products that launched closest to it on the same day.
Who hunted ChatGPT Sites Built My Mini SaaS?
ChatGPT Sites Built My Mini SaaS was hunted by AI Fire. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of ChatGPT Sites Built My Mini SaaS including community comment highlights and product details, visit the product overview.
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