Amazon API Gateway vs Apinizer

Amazon API Gateway is a cloud service for creating, publishing, maintaining, monitoring, and securing APIs that connect applications to backend services. It supports REST, HTTP, and WebSocket APIs, including real-time two-way communication. Integrations include AWS Lambda, Step Functions, Elastic Beanstalk, EC2, and public HTTP endpoints; HTTP APIs can also route requests to certain private services. API Gateway Portals provide managed spaces to discover, document, and govern REST APIs. Traffic controls include request throttling and configurable caching for REST APIs. The console integrates with Amazon CloudWatch for call, latency, and error metrics, alarms, and execution logs. Authorization options include IAM, Lambda authorizers, OIDC, OAuth 2.0, and other listed methods; REST API keys are optional. A free tier is available to new AWS customers for up to 12 months within monthly allowances, with excess usage charged at standard rates. Pay-as-you-go has no minimum fees or upfront commitments; the listed pricing note is From $1. WebSocket messages can be up to 128 KB and are metered in 32 KB increments.

Apinizer is a unified API and AI Gateway platform for routing API, LLM, MCP, and agent-to-agent traffic. Its gateway supports HTTP, gRPC, SOAP, WebSocket, and GraphQL. Enterprise includes an AI Gateway with multi-LLM routing, token tracking, cost ceilings, semantic caching, and prompt guards, plus API Integration with 15+ enterprise connectors. Identity options include OAuth 2.0, OIDC, JWT, mTLS, LDAP/Active Directory, and SAML 2.0. The Community plan is free to self-host without a time limit and allows up to three API proxies; the AI Gateway is Enterprise-only, and Enterprise pricing is custom and not listed. Deployment choices include container images for Docker, Podman, containerd, Kubernetes, OpenShift, and Nomad, plus standalone Linux installers. Standalone installers are listed for RHEL 8/9 and Ubuntu 20.04/22.04 on x86_64. Enterprise support is offered 8×5 or 24×7 with response-time SLAs and a named Customer Success Manager. Apinizer describes its platform as built for banks, government, and defense organizations operating their own runtime. It was founded in 2015 and is headquartered in Bilkent, Ankara, Türkiye.