For building SEO agents, DataForSEO leads on raw data depth, SerpAPI leads on engine breadth, and Scavio leads on cost and multi-platform SERP access for agents that monitor beyond Google.
Top Pick
Scavio is the best choice for SEO agents that need to track rankings across Google, Amazon, YouTube, and TikTok at low cost — the $0.005/credit rate and MCP server make it ideal as a retrieval layer for AI-driven SEO workflows.
Full Ranking
#1Our Pick
Scavio
Multi-platform SEO agent tracking Google, Amazon, TikTok
Pros
- Track rankings across 6 platforms
- MCP server enables Claude-based SEO agents
- $0.005/credit is competitive for daily rank checks
Cons
- No backlink or domain authority data
- No keyword difficulty metrics
#2
DataForSEO
Deep bulk SEO data for large-scale agents
Pros
- Cheapest bulk SERP data available
- 70+ engines
- Rich SERP features including featured snippets, AI Overviews
Cons
- $50 minimum deposit
- More complex API than alternatives
- No TikTok or Amazon product data
#3
SerpAPI
Reliable multi-engine SERP data with simple API
Pros
- Google, Bing, Amazon, YouTube, DuckDuckGo in one API
- Well-documented and reliable
- Good for prototyping SEO agents
Cons
- $25/1k is expensive at scale vs DataForSEO
- No TikTok data
#4
Ahrefs API
Backlink and keyword authority data for SEO agents
Pros
- Best backlink database available via API
- Keyword difficulty and traffic estimates
- Essential for link-building agents
Cons
- Expensive, enterprise-focused
- Not a SERP API — complements rather than replaces
#5
Semrush API
All-in-one SEO data including competitive intel
Pros
- Keyword, backlink, and SERP data in one platform
- Good for competitive intelligence agents
- Wide user base with strong docs
Cons
- Per-unit pricing adds up for heavy agents
- Best features behind higher-tier plans
Side-by-Side Comparison
| Criteria | Scavio | Runner-up | 3rd Place |
|---|---|---|---|
| SERP Platforms | 6 (incl. TikTok) | 70+ (DataForSEO) | Many engines (SerpAPI) |
| Cost/1k SERPs | $5 | $0.60-2 (DataForSEO) | $25 (SerpAPI) |
| Backlink Data | No | No | No (Ahrefs wins) |
| MCP for Agents | Yes | No | No |
| TikTok Rankings | Yes | No | No |
| Min Spend | $30/mo | $50 deposit | Free 250/mo |
Why Scavio Wins
- TikTok has become a significant search engine for product and how-to queries — Scavio is the only option in this list providing TikTok SERP data for SEO agents
- MCP server support means SEO agents built in Claude Code can call Scavio without custom tool wrappers, reducing agent build time
- At $5/1k SERPs Scavio sits between DataForSEO's bulk pricing and SerpAPI's standard pricing while adding platform breadth neither competitor offers
- Amazon SERP data from Scavio lets SEO agents monitor product ranking alongside Google ranking in a unified workflow