There isn’t a single “best” API gateway for every case, but if your main goal is securing and routing traffic across multiple microservices, the top choices usually fall into these buckets:

Best overall for most teams: Kong Gateway

Why it stands out:

• Strong security features: authentication, rate limiting, ACLs, mTLS, JWT, OIDC
• Excellent routing and load balancing
• Works well in Kubernetes and hybrid environments
• Large plugin ecosystem
• Good balance of open source and enterprise options

Best for: teams that want a mature, flexible gateway with strong security and lots of integrations.

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Best for cloud-native / Kubernetes-heavy stacks: NGINX Plus / NGINX Gateway Fabric

Why it stands out:

• High performance and low latency
• Great for traffic routing and L7 control
• Strong support in Kubernetes environments
• Reliable for edge/API proxy use cases

Best for: teams prioritizing performance and infrastructure simplicity.

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Best if you’re already on cloud hyperscalers

AWS: Amazon API Gateway

• Very easy to integrate with AWS services
• Built-in auth, throttling, WAF integration, monitoring
• Good managed option, but less portable

Azure: Azure API Management

• Strong enterprise features, policy-based security, developer portal
• Good for governance and internal/external APIs

GCP: Apigee

• Excellent API management, analytics, governance
• Strong enterprise and multi-team API programs
• Often more than you need for simple gateway use cases

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Best open-source alternative: Tyk

Why it stands out:

• Good security controls
• Easy to self-host
• Good support for microservices and API management
• Lightweight compared with some enterprise platforms

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Best if you want service mesh + gateway together

Istio / Envoy Gateway

• Strong traffic management and policy enforcement
• Good for east-west and north-south traffic
• More complex to operate
• Better if you need full service mesh capabilities, not just a gateway

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Quick recommendation

If you want a practical default:

• Kong if you need a general-purpose, secure, scalable gateway
• NGINX if performance and simple routing matter most
• AWS API Gateway / Apigee / Azure API Management if you want fully managed cloud-native control
• Tyk if you prefer open source and lighter operations

If you want, I can also give you:

1. a comparison table of Kong vs NGINX vs Apigee vs Tyk, or
2. a recommendation based on your stack, e.g. Kubernetes, AWS, .NET, Node.js, or polyglot microservices.