Postman
PrivateLast Round
Series D
Aug 18, 2021
Est. Valuation
$5.6B
Total Funding Raised
$433M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Postman is a software development company that provides an API platform for building, testing, and managing APIs.
Sector
AI, Data & Cloud Infrastructure
Verticals
API Management, DevOps & Containers, Workflow Automation
Business Model
B2B
Customer Profile
Subscription SaaS, Freemium, Usage-Based SaaS
AI Layer
Application
Keywords
Price History
Caplight MarketPrice™ estimate for Postman, published with a 90-day delay.
Caplight MarketPrice™
$8.46
per share, as of May 2026
-21.8%
2-year change
Caplight MarketPrice™ is an estimate of private secondary market pricing, shown here on a delayed basis for illustrative purposes only. It may be incomplete, is subject to change, and may not be relied upon for any purpose or considered investment advice.
Postman Comparables
Compare Postman with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Kong Inc | 84% | |
| SmartBear | 83% | |
| Nokia | 79% | |
Postman Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series D | Aug 18, 2021 | ||||
| Series C | Jun 11, 2020 | ||||
| Series B | Jun 19, 2019 | ||||
| Series A | Oct 14, 2016 | ||||
| Seed | May 27, 2015 |
Secondary Market Activity
Bids, offers, and trades by month
| Operation | Date | Price | Size | Share Class | Structure |
|---|---|---|---|---|---|
OFFER |
Key People
Founding team and executive leadership
Postman Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Battery Ventures | Series D |
| CRV | Series D, Series C, Series B |
| Index Ventures | Series B |
| Gokul Rajaram (Angel Investor) | Series D |
| Nexus Venture Partners | Series B, Series D, Series C, Seed, Series A |
| Next Equities | Series B |
| Coatue Management | Series D |
Market signals
Structured signals derived from secondary market and firmographic data.
- May 9, 2026
Building new AI-first integration product, Fabric Gateway, from scratch.
- May 9, 2026
Twilio listed as a customer for acquired company Fern.
Postman Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Postman's valuation, stock price, and market status.