Postman Alternatives in 2026
Postman (postman.com) has been the #1 API testing tool since 2012. In 2024 many features moved into paid tier (flows, mock server, 10+ collaborators). Free tier is restricted. Alternatives: Insomnia (open-source), Hoppscotch (self-hostable web), Bruno (git-friendly), Thunder Client (VS Code extension). Enterno.io — for simple API checks + scheduled monitoring.
Below: competitor overview, feature comparison, when Enterno.io wins, FAQ.
About the Competitor
Postman founded by Abhinav Asthana in 2012. 20M+ developers. In 2022 raised $5.6B, moved to SaaS-only (desktop app kept). Free tier: 3 collaborators, 1,000 requests, 25 mock server calls. Pro: from $12/user/mo.
Enterno.io vs Competitor — Feature Comparison
| Feature | Enterno.io | Competitor |
|---|---|---|
| GUI for API testing | ⚠️ Basic (HTTP checker) | ✅ Full-featured |
| Scheduled API monitoring | ✅ | ✅ Paid |
| Workspace collaboration | ✅ Teams | ✅ Paid (>3 users) |
| Open source | ❌ | ❌ (since 2020) |
| Self-hosted | ❌ | ❌ |
| Git-friendly (text-based storage) | ⚠️ via API | ❌ |
| Price (10 users) | ₽2,450/mo | $120+/mo |
| Russia access | ✅ | ⚠️ VPN required to register |
When to Pick Enterno.io
- Need uptime monitoring + API testing in one tool — Enterno
- Open-source / self-hostable — Hoppscotch / Bruno
- Git-friendly workflow — Bruno
- VS Code integration — Thunder Client
- Complex workflows with Newman CI — Postman is still deep
Learn more
Frequently Asked Questions
Is Postman Free tier enough?
Solo developer — yes. Team of 5+ — the 3-collaborator cap blocks, paid is mandatory.
How to migrate from Postman?
Export collections to .json from Postman → Insomnia/Bruno support import. Move under an hour for <50 collections.
Open source Postman alternatives?
Hoppscotch (hoppscotch.io, web + self-host), Bruno (usebruno.com, desktop), Yaak (yaakapp.com). All MIT/Apache.
How to test API in Enterno?
<a href="/en/check">Enterno HTTP checker</a> + <a href="/en/monitors">Monitor</a> for continuous. Or API v4 for scripted checks.