Postman
PrivateLast Round
Series D
Aug 18, 2021
Est. Valuation
$5.6B
Total Funding Raised
$433M
Momentum
Top 5%
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™
$9.25
per share, as of July 2026
-6.4%
2-year change
The most recent months of MarketPrice™ are available to Caplight clients.
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% |
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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 |
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Secondary Market Activity
Bids, offers, and trades by month
| Operation | Date | Price | Size | Share Class | Structure |
|---|---|---|---|---|---|
OFFER | |||||
OFFER | |||||
OFFER |
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Key People
Founding team and executive leadership
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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 |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 8, 2026
Added Visualstudio as a customer.
- May 9, 2026
Building new AI-first integration product, Fabric Gateway, from scratch.
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Recent news
Latest coverage and updates
- has_issues_withNov 3, 2026
On Nov 3rd '26, Postman, Inc. faces developer backlash after automatically installing AI companions and attempting to index sensitive API data to its cloud, potentially exposing proprietary keys and internal endpoints to external LLMs.
- partners_withOct 29, 2026
Postman, Inc. and Baseten partner to help enterprises run AI agents at scale with lower costs by combining fast inference runtimes, cross-cloud high availability, and integrated developer workflows.
- launchesOct 29, 2026
Postman, Inc. launches the Agent Stack, comprising Astropods, Fabric, and Passport, to make enterprises agentic-ready on Oct 29th '26.
- launchesSep 29, 2026
Postman, Inc. announced the general availability of Fabric Gateway, a protocol-agnostic control plane that governs how AI agents, LLMs, and MCP servers discover and interact with APIs, tools, and other agents, in California.
- launchesAug 17, 2026
Postman, Inc. introduces API Health Scorecards to its API Catalog, giving enterprise teams a unified view of API health, performance, and compliance.
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Postman Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Postman's valuation, stock price, and market status.
Is Postman a public or private company?
Postman is a private company.
What is the current stock price of Postman?
Postman is a private company, so its shares have no public market price. Caplight tracks Postman's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Postman worth (valuation)?
Postman's valuation is estimated at $5.6B based on funding round data.
Can I buy Postman stock?
Postman shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Postman's last funding round?
Postman's most recent funding round was Series D on August 18, 2021.
Who are the main investors in Postman?
Key investors in Postman include CRV, Nexus Venture Partners, Insight Partners.
Will Postman IPO soon?
No public IPO plans have been announced for Postman.
How can I track Postman secondary market activity?
Caplight tracks bids, offers, and trades in Postman's shares on secondary markets.