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Best API Marketplace Software in 2026

An API marketplace can provide a way to publish API products and manage how subscribers access them. Compare API publishing and product limits with deployment options and marketplace type to understand how each marketplace is set up. Marketplace analytics, monetization models, and subscriber billing offer further points of comparison, while free plans and paid starting prices help frame costs. Postman, Gravitee API Gateway, and Kong Gateway are among the options. Think about how you plan to distribute APIs and handle paid access, then weigh those needs against the listed marketplace features.

  1. 1

    API.market

    Free plan APISelf-hostedWeb

    API.market brings buyer discovery and seller publishing tools into one marketplace, with both free seller listings and paid enterprise licensing.

    7.5 Free plan Visit site
  2. 2

    api0.app

    Free plan APIWeb
    7.4 Free plan Visit site
  3. 3

    APIDistributed

    Free plan APIWeb

    Choose APIDistributed if you want a single key for APIs from multiple providers, metered usage, and consolidated billing with spend controls.

    7.4 Free plan Visit site
  4. 4

    APILayer Marketplace

    Free plan APIWeb

    APILayer Marketplace centralizes API discovery, trials, documentation, and subscription management. Review each API's limits and subscription before relying on it for a workload.

    7.3 Free plan Visit site
  5. 5

    Fusio

    Free plan APILinuxSelf-hosted+1

    Fusio combines a self-hosted gateway with schema tools, a developer portal, and API monetization features.

    7.3 Open source Visit site
  6. 6

    ApyHub Readability Scores Documents API

    Free plan API

    ApyHub’s API returns readability measures and supporting text statistics, with file and public-page inputs.

    7.1 Free plan · paid from $16/mo Visit site
  7. 7

    Datovu

    Free plan APIWeb

    Datovu brings data collection, API creation, and publisher billing into one cloud platform, with a free entry tier and paid plans from $29 a month.

    7.1 Free plan · paid from $29/mo Visit site
  8. 8

    Postman

    by Postman
    Free plan ExtensionLinuxMac+2

    Postman combines API creation, testing, documentation, and monitoring in one platform, with a free plan and paid options. Check plan availability and the annual billing terms before choosing a tier.

    7.1 Free plan · paid from $9/mo (annual) Visit site
  9. 9

    RapidAPI

    Free plan APIExtensionMac+1

    Choose RapidAPI to discover APIs through one hub or to build, test, publish, and manage APIs across REST, SOAP, and GraphQL. Providers can also publish APIs and configure authorization controls.

    7.1 Free plan · pricing on request Visit site
  10. 10

    FabriXAPI

    Free plan APIWeb

    FabriXAPI combines API portals, subscription management, and monetization in a managed cloud platform. Its listed plans specify usage limits, while two higher tiers require custom pricing.

    7.0 Free plan Visit site
  11. 11

    Moesif

    Free plan APISelf-hostedWeb

    Moesif combines API usage analysis, monitoring, and monetization tools in a managed service.

    7.0 Free plan · 14-day trial Visit site
  12. 12

    Tyk API Management

    Free plan APILinuxSelf-hosted+1

    Tyk suits teams seeking API gateway controls alongside lifecycle management, analytics, and deployment choice.

    6.9 Pricing on request · 2-day trial Visit site
  13. 13

    Zuplo

    Free plan APILinuxSelf-hosted+1

    Zuplo combines API management with AI and MCP gateway capabilities and a hosted developer portal. Free has a stated request and member limit; Builder costs $25/mo before additional request charges.

    6.9 Free plan · paid from $25/mo Visit site
  14. 14

    Moesif Developer Portal

    Free plan APISelf-hostedWeb

    Moesif Developer Portal brings API subscriptions, billing, metered access, and customer reporting into a customizable self-service portal. Its setup depends on several external accounts and services.

    6.7 Open source Visit site
  15. 15

    RoutexAPI

    Free plan APISelf-hostedWeb

    RoutexAPI combines API discovery, subscription billing, gateway enforcement, and usage analytics. Browsing is free, but subscription costs depend on each API publisher’s plans and prices.

  16. 16

    Gravitee API Management

    Free plan LinuxWebWindows
    6.5 Free plan · paid from $2,500/mo · 14-day trial Visit site
  17. 17

    Automic Continuous Delivery Automation

    Free trial APILinuxSelf-hosted+1
    6.4 Pricing on request Visit site
  18. 18

    Boomi

    by Boomi
    Free trial APILinuxSelf-hosted+2

    Boomi brings integration, automation, data, API, and B2B/EDI functions into one hybrid platform.

    6.3 From $99/mo · 30-day trial Visit site
  19. 19

    Azure API Center

    Free plan Web

    Choose Azure API Center if you need web-based API governance with linting, lifecycle controls, and CI/CD integration.

    6.2 Free plan Visit site
  20. 20

    DigitalAPI

    Free trial APISelf-hostedWeb

    Choose DigitalAPI if your organization needs a shared catalogue and management features across multiple API gateways, or wants to make APIs available to AI agents.

    6.1 Pricing on request Visit site
  21. 21

    Fiorano API Management

    by Fiorano API Management
    Free trial APISelf-hostedWeb

    Fiorano API Management combines lifecycle controls, publishing, analytics, security, and gateway resilience for enterprise API programs.

    6.1 Pricing on request · 45-day trial Visit site
  22. 22

    Apiable

    Paid APISelf-hostedWeb

    Choose Apiable if your team needs a branded partner portal, API product plans, and billing tied to an existing gateway.

    5.9 Pricing on request Visit site
  23. 23

    Axway Amplify Engage

    Paid APISelf-hostedWeb
    5.8 Pricing on request Visit site
  24. 24

    Sensedia API Management

    Free trial APISelf-hostedWeb

    Choose Sensedia API Management if your team needs centralized governance and operational visibility across multiple gateways, along with a developer portal and API lifecycle tools.

    5.7 Pricing on request Visit site
  25. 25
    5.4 Pricing on request Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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