The Ultimate API for Deep Research
We trade raw speed for rigor, because your users notice bad data, not millisecond latency.
Quality Check Pipeline
Every output passes multi‑layer validation before you ever see it.
Cited Facts
No black‑box answers. Each insight is tied to its origin.
Leads the Pack
Out‑performs OpenAI, Perplexity, etc. on depth, completeness, and format.
One Endpoint, Infinite Research
Flexible Output Format
Return structured JSON, ready‑to‑paste Markdown, or CSV. Just set `output_format
`.
Webhook Ready
Just supply a `callback_url
`; Fay pings you with the full payload when it’s done.
Bring Your Own Sources
Not just external, mount internal data instantly via MCP or direct OAuth integrations.