Do I need API management across AWS and Azure?

Not always — you only need API management across AWS and Azure if you have APIs that are exposed, consumed, or governed across both clouds.

You likely do need it if:

• You have applications in both AWS and Azure calling the same APIs
• You want one place for authentication, throttling, quotas, and versioning
• You need consistent security and policy enforcement across clouds
• You’re exposing APIs to partners, customers, or internal teams from multiple environments
• You want analytics, monitoring, and developer onboarding in one layer

You may not need it if:

• Each cloud has completely separate apps and APIs
• You’re only using cloud-native API tools inside each platform
• There’s no cross-cloud traffic or shared governance need
• Your setup is small and simple enough that the extra layer would add unnecessary complexity

Common options

• Azure API Management for APIs centered in Azure
• AWS API Gateway or Amazon API Gateway + AWS-native tooling for AWS
• A third-party API management platform if you need a neutral, cross-cloud control plane
• A service mesh / ingress / gateway approach if the problem is more internal service-to-service traffic than external API management

Rule of thumb

If your main goal is cross-cloud consistency and governance, then yes, API management can be valuable.
If your goal is just to expose a few APIs inside each cloud, then cloud-native tools are usually enough.

If you want, I can help you decide based on your architecture with a quick checklist.