Postman

An API platform for building and using APIs

San Francisco, United States · Founded 2014 · $432.0M raised

Employees
501–1000
Founded
2014
Business Model
B2B
Total Funding
$432.0M
Last Round
$225.0M Series DAug 2021
Rounds
4

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

About

Postman is the world's leading API platform used by 35 million developers and 500,000+ companies to design, build, test, and monitor APIs. The platform provides a complete API lifecycle management workflow covering design, documentation, mock servers, testing, monitoring, and team collaboration in a unified workspace.

Summary

Postman is a Developer Tools company based in San Francisco, United States, founded in 2014. It has raised $432.0M in total across 4 rounds, most recently a $225.0M Series D round in Aug 2021. Investors include Insight Partners, Nexus Venture Partners and CRV (Charles River).

Tech & App Stack

16 technologies & apps tracked

Every product and vendor across these categories, with where each signal came from.

Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.

Funding History

Series DSeries DAug 2021
$225.0M

Sign up to see all 4 events

Funding: Series A through Series D. Amounts, valuations, and investors where available.

Investors

Acquisitions

Similar Companies

Stripe

Stripe provides payments, billing, money-management, fraud-prevention, and identity tools that he...

South San Francisco, United States5001–10000Banking, Fintech
Series G+Total funding$8.8BMar 2023
Baseten

Baseten provides an inference platform that lets AI teams deploy, operate, and scale custom and o...

San Francisco, United States51–200Artificial Intelligence, Cloud
Series FTotal funding$2.1BJun 2026
Nintex

Nintex delivers agentic business orchestration tools that help organizations streamline workflows...

Bellevue, United States1001–5000Developer Tools, SaaS
Private EquityTotal funding$2.1BOct 2021
Sierra

Sierra provides an enterprise conversational AI platform that lets businesses build trustworthy a...

San Francisco, United States51–200Artificial Intelligence, Conversational AI
Venture RoundTotal funding$1.6BMay 2026
Grafana Labs

Grafana Labs builds the open observability platform for monitoring, analytics, and alerting on me...

New York, United States1001–5000Analytics, Developer Tools
Series ETotal funding$1.6BMar 2026
Unity SoftwareIPO

Game engine and real-time 3D content creation platform

San Francisco, United States1001–5000Developer Tools, Gaming
Series ETotal funding$1.6BJul 2019

Your company? Embed this profile

Add the live badge to your site — it stays current as your funding data updates.

Postman on Indexed.vc
<a href="https://indexed.vc/companies/postman"><img src="https://indexed.vc/api/badge/company/postman" alt="Postman on Indexed.vc" width="260" height="76" /></a>