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API Management Software · Rank #1 of 10

Postman

The developer-anchored API workspace. Design, mock, test, document.

By Postman, Inc. · Founded 2014 · San Francisco, CA · private

Postman is the developer-anchored leader in API management, roughly 30M registered users and a $5.6B valuation from its 2021 Series D led by Insight Partners. The product started as a Chrome extension for hand-testing REST endpoints in 2012 and has grown into a full API workspace covering design, mocking, testing, documentation, and a public API network. Best fit when the engineering team owns the API contract and wants one tool for the entire pre-production lifecycle. Trade-offs: runtime gateway story is thin (Postman is not a Kong replacement), enterprise governance lagged behind enterprise needs until 2023, and pricing has stepped up meaningfully at the Enterprise tier.

Visit Postman Vendor pricing Compare to Kong
Best for

Engineering teams (10-5,000 developers) that own the API contract end-to-end and want a single workspace for design, mocking, testing, and documentation. Default choice for greenfield API programs.

Worst for

Pure runtime gateway needs (Kong/Apigee/cloud gateways are the right answer), highly regulated air-gapped environments (WSO2 or self-hosted Tyk fit better), or teams that need built-in monetization and partner billing (Apigee or MuleSoft).

Vendor Trust Score

Is Postman a trustworthy vendor?

8.3/10
High trust
Pricing transparency
Published rates; no hidden fees
8.5
Contract fairness
Reasonable terms; no auto-renew traps
8.0
Incident response
How they handle outages and breaches
8.0
Post-acquisition behavior
Customer treatment after M&A or PE
8.0
Executive stability
Leadership churn over 24 months
9.0
Roadmap honesty
Public commitments held
8.0
Trust signal log
  • 2021-08-12
    Series D at $5.6B valuation; Insight Partners-led
  • 2023-05-15
    Free-tier rate-limit changes drew community pushback
  • 2024-09-08
    Postbot AI generally available; included in paid tiers without per-call charges
Vendor Trust is scored independently of product quality. A great product from an unfair vendor still earns a low trust score.
Review Intelligence

What 1,480 reviews actually say

Synthesized from G2, Capterra, Reddit, Trustpilot. Patterns >15% prevalence shown.

Last synthesized
2026-04-29

Praise patterns

  • Default tool every developer already knows
    87% →
  • Best-in-class collection and test scripting
    78% →
  • Generous free tier covers most teams
    71% →

Complaint patterns

  • Not a runtime gateway, separate purchase needed
    64% →
  • Pricing steps up sharply at Enterprise
    51% ↑
  • Free-tier limits tightened in 2023
    47% ↓
  • On-prem only on top tier
    41% →
Sentiment trend (6 months)
85/100 +1 pts
11
12
01
02
03
04
Patterns are extracted from review corpus and human-verified. We surface trends, not anecdotes.
Verified Pricing

What buyers actually pay

287 anonymized deal disclosures · last updated 2026-04-30

Contribute your deal price
Company size Median annual
10-50 developers $4,200
50-200 developers $24,000
200+ developers $96,000
Verified pricing is crowdsourced from buyers under anonymity guarantees. Vendor-listed prices are validated against actual deals quarterly.
Compliance & Security

Auto-verified certifications

Verified 2026-04-15
SOC 2 Type II
ISO 27001
HIPAA
GDPR
CCPA
PCI DSS
FedRAMP

Editorial: Strengths

  • Largest developer base in the category (~30M registered users)
  • Best-in-class collection and test scripting
  • Generous free tier (3 users, unlimited collections)
  • Strong mock servers and contract testing
  • Public API Network for discoverability
  • AI features (Postbot) genuinely useful for test generation

Editorial: Weaknesses

  • Not a runtime gateway, pair with Kong, Apigee, or cloud gateway
  • Enterprise governance maturity behind MuleSoft / Apigee
  • Pricing escalates at Enterprise tier
  • Cloud-only by default, on-prem requires Enterprise tier
  • Rate-limit changes on free tier in 2023 frustrated power users

Key features & integrations

  • +API design (OpenAPI 3.x native)
  • +Collection runner and test scripting
  • +Mock servers
  • +Contract testing
  • +API documentation auto-generation
  • +Public API Network
  • +Postbot AI assistant
  • +Workspace-level RBAC
250+ integrations
GitHubGitLabBitbucketJenkinsDatadogNew RelicSlackJira
Geography supported
Global; strongest in US, India, EU
Best fit
Any (developer count is the lever) employees · Engineering teams 10-5,000 developers
Editorial deep-dive

Read our full ranking of API Management Software

Postman ranks #1 in our editorial review of 10 api management software platforms. The deep-dive covers methodology, comparison tables, decision matrix, migration scoring, and FAQs.

Read the full ranking

Closest alternatives in API Management Software

#2
Kong
Open-source gateway with the most credible commercial control plane.
★ 4.5 partial
#3
MuleSoft Anypoint
Enterprise iPaaS + API platform inside the Salesforce stack.
★ 4.5 opaque
#4
Apigee
Mature enterprise gateway and analytics, now inside Google Cloud.
★ 4.4 partial
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Pricing in B2B software is opaque because vendors want it that way. Verified buyer prices fix that, anonymously. Share what you actually paid for Postman; we’ll add it to the verified pricing dataset on this page (with company size band only, no identifying details).

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