Quick comparison # App Pricing Verified price Open source Platforms Verified facts Score 1 KongOpen source From $25/month plus usage (Konnect Plus) Yes Web, Linux, Self-hosted 4 of 4 68.8 2 TykOpen source — Yes Web, Linux, Self-hosted 4 of 4 64.8 3 PostmanFree plan + paid $9 a month, billed annually (Solo) No Web, Windows, macOS +1 3 of 5 63.4 4 ApidogFree plan + paid — No Web, Windows, macOS +2 4 of 4 50.0
1 1. Kong Top pick Best for: Platform teams wanting a battle-tested open-source gateway with an optional managed control plane
Open source Self-hostable Web, Linux, Self-hosted
Why switch from RapidAPI
Run your own gateway and developer portal instead of listing APIs on a shared marketplace with a revenue cut.
Pros Open-source core under Apache 2.0 Large plugin library for auth, rate limiting and observability Self-hosted, hybrid or fully managed deploymentCons Many advanced plugins and the portal need a paid licence Konnect usage pricing has many moving parts More to operate than a single-binary gateway like KrakenDHow this score is calculated Editorial fit ×0.3 100
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 100
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula
2 Best for: Teams in regulated industries wanting an open-source gateway they can fully self-manage
Open source Self-hostable Web, Linux, Self-hosted
Why switch from RapidAPI
Open-source gateway with a built-in developer portal for publishing and monetising your own APIs.
Pros Gateway is open source under MPL 2.0 Paid plans don't charge per API call Cloud, hybrid or fully on-premises deploymentCons Dashboard and developer portal require a paid licence Cloud trial is only 48 hours Smaller plugin ecosystem than KongHow this score is calculated Editorial fit ×0.3 87
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 100
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula
3 Best for: Teams that want a full API lifecycle platform
Free plan + paid Web, Windows, macOS, Linux
Why switch from RapidAPI
Its public API Network lets you discover and test APIs, with no marketplace fee or shared key.
Pros Covers design, testing, docs and monitoring Supports REST, GraphQL, gRPC Huge public API networkCons Pushes cloud accounts and sync Heavy for simple request testingHow this score is calculated Editorial fit ×0.3 46
Reviews ×0.3 63
Clicks (90 days) ×0.15 100
Freshness ×0.15 72
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula
Verified facts 3 of 5 verified Protocols REST, GraphQL, gRPC, WebSocket Not checked yetpostman.com(opens source in a new tab) Platforms Web, Windows, macOS, Linux Not checked yetpostman.com(opens source in a new tab) Starting price $9 a month, billed annually (Solo) Checked Nov 8, 2026postman.com(opens source in a new tab) Team plan $19 per user/month, billed annually Checked Nov 8, 2026postman.com(opens source in a new tab) 4 Best for: Teams that want API design, testing, mocks and docs in a single tool
Free plan + paid Self-hostable Web, Windows, macOS, Linux, Self-hosted
Why switch from RapidAPI
For RapidAPI's testing side: design, mock and test APIs in one app with a generous free plan.
Pros Design, debugging, mocking, testing and docs together Imports from Postman and Insomnia On-premises edition available EU data regionCons Busy interface with a learning curve Collaboration relies on the cloud service Main website needs JavaScript, so details are hard to checkHow this score is calculated Editorial fit ×0.3 38
Reviews ×0.3 63
Clicks (90 days) ×0.15 0
Freshness ×0.15 100
Votes ×0.1 50
0 counted reviews, 0 up and 0 down votes. Full formula