17.6
Postman is a platform for designing, testing, distributing, documenting, and monitoring APIs.
Free planWebExtensionLinux
Best API Catalog Tools in 2026
Teams use API catalog tools to list, arrange and share APIs; this category compares catalog sources, ownership assignment, governance workflows and portal access. Compare the API spec formats and deployment options that fit your work. Check platform details before choosing for a Xiaomi, Redmi or POCO phone or tablet.
26.9
Port is a cloud-native platform for engineering teams to build, govern, and operate their software development lifecycle.
Free planWebAPIExtension
36.8
Backstage is an open-source framework for building and deploying developer portals.
Free planWebAPILinux
- 4
Kong Konnect
WebLinuxmacOSWindows6.2From $25 a month - 5
API Portal
API Portal is a central platform for building, testing, managing, and documenting APIs.
WebAPILinuxmacOS6.1 - 6
Cortex
Cortex is an Engineering Operations Platform that connects engineering teams, agents, tools, and processes around shared operational context.
WebAPI5.6 - 7
OpsLevel
OpsLevel is an internal developer portal that gives teams self-service access to tools and knowledge while maintaining standards.
WebAPISelf-hosted5.6 - 8
Axway Amplify Engage
WebAPISelf-hosted5.5 - 95.4From $2,500 a month
- 105.4From $2,000 a month
- 114.8
- 124.7
- 134.6
- 144.6
Choosing well
Match the platform to your setup
Listed platforms span web, API, macOS, Linux, self-hosted and Windows. A web option can suit browser-based work, while self-hosted deployment may fit teams that manage their own infrastructure.
Android availability is not included in the supplied platform details. If phone or tablet access matters, check the vendor’s current Android support before choosing.
Compare free plans and trials
A free plan can help you start without a subscription. Backstage and Port both show free plans, and Port lists annual-billing prices starting at $30 per user per month.
Trial periods differ: API Portal shows 14 days, while Kong Konnect and MuleSoft Anypoint Exchange each show 30 days. Kong Konnect starts at $25 per month, MuleSoft Anypoint Exchange at $2,000 per month on annual billing, and other tools display pricing on request.
Check catalog and ownership controls
Compare the catalog sources a tool can use and how it assigns ownership. Governance workflows and portal access indicate how teams can manage API responsibility and present information to developers.
Review these controls against your internal process before committing to a plan.
Review formats and deployment
API spec formats can affect whether existing definitions fit without conversion. Deployment options also vary, including web, API and self-hosted choices.
Confirm the formats and deployment model you need, then check whether the tool supports the operating systems used by your team.
Questions people ask
Are free plans available?
Yes. Backstage and Port show free plans. Other entries may require a paid plan or offer a trial instead.
Which tools list a trial?
API Portal shows a 14-day trial period; Kong Konnect and MuleSoft Anypoint Exchange each show 30 days.
Can these tools be self-hosted?
Self-hosted is a listed platform option for this category. Axway Amplify Engage is specifically listed with self-hosted, API and web platforms.
What pricing information is available?
Listed starting prices run from $25 per month for Kong Konnect to $2,000 per month on annual billing for MuleSoft Anypoint Exchange; some entries show pricing on request.