The Stack Overflow API is completely free, requires no authentication for most endpoints, and returns structured JSON with votes, answers, tags, and view counts.
https://api.stackexchange.com/2.3/search?order=desc&sort=votes&intitle=web+scraping&site=stackoverflow
What You Get
Each question returns:
- Title, body (or excerpt)
- Score (upvotes - downvotes)
- Answer count
- View count
- Tags
- Creation date
- Accepted answer flag
Why Developers Should Care
Technology demand signals. More SO questions about a technology = more developers learning it = growing ecosystem.
Pain point discovery. The highest-voted questions reveal the biggest problems developers face. Build tools that solve these.
Content ideas. Unanswered questions with high views = articles waiting to be written.
Competitive analysis. Compare SO activity between competing technologies.
The Free Endpoints
| Endpoint | What It Returns |
|---|---|
/search |
Questions matching keywords |
/questions |
Questions by ID |
/tags |
Tag popularity and counts |
/users |
User profiles and reputation |
Rate limit: 300 requests/day without auth, 10,000 with a free app key.
Tools
My MCP Market Research Server includes Stack Overflow as one of 9 data sources for developer interest analysis.
Stack Overflow Scraper on Apify wraps this into a ready-to-use tool.
All 77 tools: Apify Store
Custom developer ecosystem analysis — $20: Order via Payoneer
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