Top 20 Alternatives to Postman in API Management & Gateways Software

Postman is a popular API development platform for designing, testing, and documenting APIs. Looking for other API Management and Gateway solutions? Below are 20 noteworthy alternatives.

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Top Competitors to Consider

Modern REST, GraphQL, and gRPC client with powerful debugging, environment variables, and plugin ecosystem.

Open‑source, web‑based API request builder supporting REST, GraphQL, WebSocket, and SSE with a clean UI.

#4 Paw

Native macOS API client offering advanced testing, code generation, and visual request composition.

#5 SoapUI

Comprehensive functional testing tool for SOAP and REST APIs, with powerful assertions and data‑driven testing.

Full‑featured API management platform with analytics, security policies, and developer portal.

#7 Kong

Open‑source API gateway and microservices management layer, extensible via plugins and Kong Enterprise.

Fully managed service to create, publish, secure, and monitor APIs at any scale on AWS.

Microsoft’s turnkey API gateway with developer portal, policies, analytics, and hybrid deployment options.

#10 Tyk

Lightweight, open‑source API gateway with a powerful dashboard, analytics, and middleware support.

Enterprise‑grade integration and API management suite with design, runtime, and analytics capabilities.

Comprehensive API lifecycle management solution with security, analytics, and developer portal.

Open‑source API management platform offering gateway, analytics, and developer portal in a modular architecture.

Full‑stack open‑source API management solution with governance, security, and monetization features.

#15 Stoplight

Design‑first API platform with visual modeling, mock servers, and integrated documentation.

#16 RapidAPI

Marketplace and management hub for discovering, testing, and monitoring public APIs.

Open‑source API backend that auto‑generates REST APIs from databases, files, and external services.

#18 Akana

Enterprise API management suite with governance, security, and analytics for hybrid environments.

#19 Krakend

High‑performance open‑source API gateway written in Go, focused on low latency and scalability.

API gateway built on NGINX, providing traffic management, security, and observability.

Security‑first API management suite offering automated vulnerability scanning and policy enforcement.