READ
· choose how deep
TECH
Early signalⓘEvidence tiers: Early signal = 1 uncorroborated signal — treat as radar, not a validated opportunity · Corroborated = 2-3 signals · Validated = 4+ signals across 2+ platforms. Every count appears exactly once, in the fact bar below — each traces to a real source post.
Goodreads API Key
In their words
"They shut down their API program years ago, but I was hoping to find someone who had an old key I could use" — a builder, verbatim · sign in free to trace the source ↗
Hard requirements
Non-negotiables stated by builders in their own words. Miss one and they will not switch.
old Goodreads API key
Competitor pricing
Named rivals & real prices 🔒
Pricing collected · names — log in ↗
How we checked
Where we searched
3 sources · GitHub · App Store · SaaS marketplaces
Verification funnel
22 raw matches scanned, then AI-de-duped · see the breakdown below
Last scan
today · auto-refreshed every 30 days
Sign in to see the full opportunity
Every source post · named rivals with real prices · what builders tried & dropped · quantified pain — all traceable to the original posts
Sign up free →Signal history
1 post on record since Jul 2026 — not enough to plot a trend. We plot history once a gap has 3+ posts spanning 3+ weeks.
Evidence pool
1 source post on record — each insight links back to a real one.
1 hn