PromptLayer

New York, United States

The first dev platform for prompt engineering. Based in NYC.

$4.8M raised

Feb 2025

Seed

Top Investors

ThalesVerissimo VenturesGokul RajaramRomain HuetJoshua Browder

19,000+ verified contacts

Emails, phones & LinkedIn profiles

How much funding has PromptLayer raised?

PromptLayer has raised $4.8M in total funding. The most recent round was Seed. The last funding was announced in February 2025.

Who are PromptLayer's investors?

PromptLayer's investors include Thales, Verissimo Ventures, Gokul Rajaram, Romain Huet, Joshua Browder.

Where is PromptLayer headquartered?

PromptLayer is headquartered in New York, United States.

What does PromptLayer do?

The first dev platform for prompt engineering. Based in NYC.

What stage is PromptLayer at?

PromptLayer is at the Seed stage.

Cite this page

Free to use in articles, research, and reference works. Stable URL — will not change. Data on this page last updated February 7, 2025.

MLA

"PromptLayer — Funding & Investors." VCBacked, February 7, 2025, https://www.vcbacked.co/company/promptlayer. Accessed June 18, 2026.

APA

VCBacked. (2025). PromptLayer — Funding & Investors. Retrieved June 18, 2026, from https://www.vcbacked.co/company/promptlayer

Wikipedia (cite web)

{{cite web |title=PromptLayer — Funding & Investors |url=https://www.vcbacked.co/company/promptlayer |website=VCBacked |access-date=June 18, 2026}}

Profile data sourced and verified per the VCBacked methodology. Last funding round dated February 7, 2025.