17.6
Boomi is a hybrid enterprise platform for connecting applications and data, managing APIs, and automating processes.
WebAPILinux
Best API Marketplace Software in 2026
Boomi leads this chart of 37 (7.6/10). Postman is next (7.6/10, free plan), and Zuplo is the next highest-placed with a free plan (7.6/10). API marketplace software helps people publish, list, distribute or manage APIs; the right choice depends on how you plan to sell or share APIs and where the marketplace can run. The platform details here include web, API and self-hosted options, but do not specify Android apps. If you want to manage a marketplace from a Xiaomi, Redmi or POCO phone or tablet, check the vendor’s Android support and mobile features…
27.6
Postman is a platform for designing, testing, distributing, documenting, and monitoring APIs.
Free planWebExtensionLinux
37.6
Zuplo manages APIs with gateways, authentication, rate limits, and OpenAPI documentation.
Free planWebAPILinux
- 4
DigitalAPI
DigitalAPI catalogs and manages APIs across gateways, with MCP tools and agent credentials.
WebAPISelf-hosted7.1From $2,500 a month - 5
API.market
API.market helps buyers discover and test APIs and AI models with one key and usage-based billing.
Free planWebAPISelf-hosted7.0From $599 a month - 6
Kong Konnect
Manages API, AI, and event connectivity, with governance and observability for AI traffic.
WebAPILinuxmacOS7.0From $25 a month - 7
APILayer Marketplace
APILayer Marketplace offers APIs across categories with one key, dashboard, and consistent documentation.
Free planWebAPI6.8From $19.99 a month - 8
Datovu
Datovu turns datasets and web research into searchable data and documented REST APIs.
Free planWebAPI6.7From $29 a month - 9
FabriXAPI
FabriXAPI creates branded developer portals for APIs documented with OpenAPI or Markdown.
Free planWebAPI6.6From $69 a month - 10
IBM API Connect
WebAPISelf-hosted6.6 - 11
ApyHub Readability Scores Documents API
ApyHub scores document and webpage readability and returns reading levels and text statistics.
Free planAPI6.5From $16 a month - 12
Automic Continuous Delivery Automation
Automic Continuous Delivery Automation orchestrates application releases and deployments, with real-time monitoring and release reporting.
WebAPILinuxSelf-hosted6.5 - 13
SAP Extended Enterprise Content Management by OpenText
AndroidiOSWebLinux6.4 - 14
Fusio
Fusio links services through an API gateway, validates requests, and generates SDKs.
Free planWebAPILinuxSelf-hosted6.3Free plan - 15
Moesif
Moesif is an API analytics and monetization platform for tracking usage and understanding how customers consume APIs.
Free planWebAPISelf-hosted6.3Free plan - 16
Fiorano API Management
API management platform with hybrid deployment, available as a 45-day trial.
WebAPISelf-hosted6.1 - 17
Tyk API Management
Tyk API Management is a platform for developing, operating, governing, and publishing APIs.
WebAPILinuxSelf-hosted6.1 - 18
api0.app
api0.app builds typed REST endpoints from data sources and publishes them in an API marketplace.
Free planWebAPI6.0Free plan - 19
Azure API Management
Manages APIs across Azure, on-premises, and other clouds, with runtime policies and AI gateway features.
WebAPISelf-hosted6.0 - 20
APIDistributed
APIDistributed connects multiple production APIs through one key, with usage quotas and billing.
Free planWebAPI5.9Free plan - 215.9Free plan
- 22
Gravitee API Management
Manage APIs with Linux, web, or Windows access, plus a catalog and free plan.
WebLinuxWindows5.9From $2,500 a month - 23
APIwiz
APIwiz covers API design, deployment, monitoring, monetization, policy control, and discovery.
Web5.8 - 24
Comviva API Marketplace
Comviva API Marketplace is a cloud-native platform for Communication Service Providers to launch, manage, and monetize API ecosystems.
WebAPI5.8 - 25
5.8From $365 a month
Choosing well
Can I try it without paying?
Check whether the software has a free plan, a free trial or a paid starting price. These are different offers: a trial may be time-limited, while a free plan has its own terms and limits.
For example, Zuplo and Datovu list free plans with paid starting prices; API.market lists a free plan. Confirm current terms with the maker.
How will the marketplace make money?
Compare the supported monetization models with how you expect to charge for API access. Also check whether the software includes subscriber billing, rather than assuming that API listings handle payments.
How will I publish and manage APIs?
Look at the marketplace type and API publishing features to see whether they fit your workflow. Check API product limits if you expect to offer a catalog, and review the analytics available for understanding marketplace activity.
Where does the software need to run?
Compare deployment options with your hosting needs. The listed platform categories include web, API, self-hosted, Linux, Windows and macOS, but do not establish that a product supports every deployment type.
If phone access matters, check whether the vendor offers an Android app or a usable mobile web experience.
Do I need open-source software?
Check the licence if you need to read or change the code, or want to run the software yourself. A free plan does not by itself mean a product is open source.
Questions people ask
Can I use API marketplace software from a Xiaomi phone?
The platform details do not confirm Xiaomi- or HyperOS-specific support. Check for an Android app or mobile web access with the vendor.
What should I compare when choosing an API marketplace?
Compare marketplace type, monetization models, API publishing, subscriber billing, deployment options, product limits and analytics.
Is a free plan the same as a free trial?
No. A free plan and a free trial are separate pricing offers. Check the maker’s terms, duration and limits before relying on either.
Does free API marketplace software mean it is open source?
No. A free plan does not establish that the code is open source. Check the product’s licence if access to or modification of its code matters.