18.4
Scalar is a collection of API products for documentation, client generation, API management, requests, and MCP server use.
Free planOpen sourceWebAPILinux
Best APIs in 2026
28.2
Amazon API Gateway is a managed service for creating, publishing, maintaining, monitoring, and securing APIs that connect applications with backend services.
Free planAndroidiOSWeb
38.0
Apidog is an API platform for designing, debugging, mocking, testing, and documenting APIs, with GraphQL and SOAP support.
Free planWebAPIExtension
- 4
Postman
Postman is a platform for designing, testing, distributing, documenting, and monitoring APIs.
Free planWebExtensionLinuxmacOS7.6From $9 a month - 5
ReadyAPI
WebAPILinuxmacOS7.6 - 6
Insomnia
Insomnia is an API collaboration platform for designing, testing, debugging, mocking, and governing APIs.
Free planLinuxmacOSSelf-hostedWindows7.2From $12 a month - 7
Google Cloud Endpoints
Google Cloud Endpoints is an API management system for securing, monitoring, analyzing, and setting quotas on APIs.
Free planWebAPILinuxmacOS7.1$1.50 usage-based - 8
SwaggerHub
SwaggerHub is a toolkit for API design, testing, documentation, and governance.
Free planWebSelf-hosted7.1From $740 a year - 9
Oracle Cloud Infrastructure Container Registry
Oracle Cloud Infrastructure Container Registry is an Oracle-managed service for storing, sharing, and managing container images.
Free planWebAPILinux7.0Free plan - 10
Redocly
WebAPIExtension7.0From $10 a month - 11
Assertible
Assertible tests and monitors APIs, websites, and other HTTP services for uptime, availability, and correct behavior.
Free planWebAPI6.9From $25 a month - 12
Checkly
Checkly is a monitoring-as-code platform for developers tracking critical APIs and user interfaces.
Free planWebAPILinux6.9From $24 a month - 13
Kong Gateway
Kong Gateway is an open-source API gateway designed for microservices and distributed architectures in hybrid and multi-cloud environments.
Free planWebAPILinuxSelf-hosted6.7Free plan - 14
KrakenD API Gateway
KrakenD API Gateway is a stateless, distributed gateway for connecting, protecting, combining and transforming APIs and AI workloads.
Free planLinuxmacOSSelf-hostedWindows6.4Free plan - 15
Stoplight Elements
Free planWebSelf-hosted6.4Free plan - 16
Google Cloud API Gateway
Google Cloud API Gateway provides a managed entry point for backend services, presenting them through a consistent REST API.
WebAPI6.1From $1.50 a month - 17
Tyk API Management
Tyk API Management is a platform for developing, operating, governing, and publishing APIs.
WebAPILinuxSelf-hosted6.1 - 18
API7 Enterprise
API7 Enterprise manages API lifecycle workflows across teams and environments, using an Apache APISIX data plane with centralized management.
WebAPILinuxSelf-hosted6.0 - 19
Gravitee API Management
WebLinuxWindows5.9From $2,500 a month - 20
Apache APISIX
Apache APISIX is an open-source gateway for routing, securing, and managing traffic to APIs, microservices, and LLM workloads.
APILinuxSelf-hosted5.8 - 21
5.8From $365 a month - 225.8From $83 a month
- 23
WSO2 API Manager
WebLinuxmacOSWindows5.3 - 24
5.2 - 25
MuleSoft Omni Gateway
WebLinux5.1