Best web data API for AI agents? Start with the workflow, not the vendor list
There is no honest best-overall answer from a small public test set. For AI-agent builders, the better question is: which web data API should I try first for this job?
Start by job
Docs to markdown
Start with Firecrawl. It is currently the clearest fit for docs/site-to-markdown workflows in this project.
Managed page scraping
Start with ScrapingBee if you want a broader managed API surface and request-level controls.
JavaScript-heavy pages
Shortlist ZenRows and ScrapingBee, but run a rendering-specific test before making a production choice.
Raw API comparison
Keep Scrape.do in the shortlist when pricing, partner terms, and API-style scraping need a closer look.
First API to try
| Workflow | First try | Also consider | Why this is not final |
|---|---|---|---|
| LLM-readable docs / RAG context | Firecrawl | ScrapingBee | Only a few small public tests have been run; table and structure behavior needs more cases. |
| Single public page fetch | Firecrawl or ScrapingBee | ZenRows, Scrape.do | All four vendors have one observed small fetch path, but output quality differs. |
| JavaScript rendering | Run a follow-up test first | ScrapingBee, ZenRows, Firecrawl | Official capabilities exist, but this project has not run a comparable rendering test. |
| Structured extraction | Run a follow-up test first | Firecrawl, ScrapingBee | Official docs mention structured output or extraction controls, but this project needs a shared schema test. |
| Pricing-page monitoring | Firecrawl as first observed path | ScrapingBee | FC-3 captured text signals, but did not preserve pricing grid structure. |
Evaluation checklist for your own agent
Why this page avoids a single winner
Most "best scraping API" pages collapse different jobs into one ranking. AI-agent workflows are more sensitive to output fit: a clean markdown docs result, a rendered JavaScript page, a screenshot, and structured extraction are different requirements. A vendor can be a good first choice for one job and the wrong starting point for another.
Agent API Atlas will only upgrade a workflow recommendation when there is official evidence, small hands-on evidence, and a clear limitation section.