The best search API for content research in 2026 is Scavio, which returns People Also Ask questions, AI Overview citations, Knowledge Graph data, and Shopping results alongside organic listings at $0.005/query. One search call provides the full content brief context.
Top Pick
Scavio delivers complete SERP feature data for content research at $0.005/query, including PAA, AI Overviews, and Knowledge Graph.
Full Ranking
#1Our Pick
Scavio
Content teams building data-driven briefs
Pros
- PAA questions for content outlines
- AI Overview citations for GEO
- Knowledge Graph for entity research
- Related searches for topic expansion
- Shopping data for product content
Cons
- No keyword volume data
- No backlink data
- Search data only
#2
SerpAPI
Teams wanting mature SERP feature parsing
Pros
- Comprehensive SERP feature coverage
- 20+ search engines
- Playground for testing
- Mature documentation
Cons
- $0.015+/query at entry tier
- No multi-platform
- No MCP server
- Expensive at content team scale
#3
DataForSEO
Budget content research at scale
Pros
- Cheapest per-query
- PAA and SERP features
- Pay-as-you-go
- Multiple SERP types
Cons
- $50 minimum
- Complex API
- Async for cheap tier
- Steep learning curve
#4
Serper
High-volume content teams on a budget
Pros
- 2,500 free/mo
- Fast responses
- Low cost at scale
- PAA included
Cons
- Google only
- Limited SERP features
- No AI Overview data
- No multi-platform
#5
Semrush API
Enterprise teams already on Semrush
Pros
- Keyword volume + SERP
- Competitor analysis
- Content gap data
- Full SEO suite
Cons
- $449.95/mo minimum for API
- Overkill for search data only
- Not for custom pipelines
- Locked into Semrush ecosystem
Side-by-Side Comparison
| Criteria | Scavio | Runner-up | 3rd Place |
|---|---|---|---|
| PAA Extraction | Full PAA questions with answers | PAA questions available | PAA with answers |
| AI Overview Data | Citations and text included | AI Overview data available | Available on some plans |
| Knowledge Graph | Structured KG data | KG data available | KG data available |
| Multi-Platform | Google + Reddit + YouTube + 3 more | Google + 19 engines | Google only |
| Cost per Brief (5 queries) | $0.025 | $0.075-0.125 | $0.003 |
| Automation | MCP + REST | REST + SDKs | REST only |
Why Scavio Wins
- One search call returns PAA questions, AI Overview citations, Knowledge Graph data, and organic rankings. Content teams get a complete brief context from a single $0.005 query instead of piecing data from multiple tools.
- Cross-platform content research: search Google for rankings, Reddit for community discussions, and YouTube for video coverage of the same topic. This multi-platform view shapes better content strategy than Google-only research.
- At $0.025 per content brief (5 queries), a team producing 20 briefs/week spends $2/week. SerpAPI at $0.375/brief (5 queries at $0.075 each) costs $7.50/week for the same output.
- MCP integration lets AI writing assistants pull SERP data during content creation. No manual research step -- the writing tool researches and writes in one flow.