Key facts
- It has raised $4.8M; the latest was Early Stage VC ($4.8M) in Feb 2025.
- Notable investors include Gokul Rajaram, Verissimo Ventures, Geek Ventures, ScOp Venture Capital, Ben Lang — 13 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 13 names
- ·Watchlist + deal alerts for PromptLayer
- ·The full record, as it builds
Funding rounds
No funding rounds for PromptLayer are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About PromptLayer
Developer of an engineering platform designed for prompt engineers. The company's platforms offer various features such as logging open requests, searching usage history, tracking performance, and visually managing prompt templates, enabling teams to effectively collaborate on prompt iteration, evaluation, and deployment.
- Sector
- Information Technology
- HQ
- New York, NY, United States
- Founded
- 2021
- Employees
- 9
- Website
- promptlayer.com/
- Ownership
- Privately Held (backing)
PromptLayer doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in PromptLayer shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on PromptLayer in its N-PORT filings yet. We sweep new filings monthly.