The best open source alternative to Amazon API Gateway is Mage. If that doesn't suit you, we've compiled a ranked list of other open source Amazon API Gateway alternatives to help you find a suitable replacement. Other interesting open source alternatives to Amazon API Gateway are: CocoIndex, UnKey, and Gravitee.
Amazon API Gateway alternatives are mainly ETL & Data Integration Tools but may also be API Infrastructure Tools or Workflow Orchestration Tools. Browse these if you want a narrower list of alternatives or looking for a specific functionality of Amazon API Gateway.
Open-source data pipeline platform for effortless data integration, transformation, and orchestration using Python, SQL, and R.

Mage AI revolutionizes data engineering with its intuitive, powerful, and flexible platform. This open-source tool empowers data teams to build, preview, and deploy data pipelines with ease, offering a superior alternative to complex solutions like Airflow.
Key benefits include:
Mage AI streamlines the entire data pipeline process, from development to production, making it an indispensable tool for modern data teams seeking efficiency and scalability.
Looking for open source alternatives to other popular services? Check out other posts in the alternatives series and openalternative.co, a directory of open source software with filters for tags and alternatives for easy browsing and discovery.
Open-source ETL framework built in Rust for AI workloads. Features incremental processing, data lineage, and observability tools for semantic search and RAG applications.

Transform your data for AI workloads with exceptional performance and developer velocity. CocoIndex is an open-source ETL framework with a Rust-powered core engine, designed specifically for modern AI applications including semantic search, RAG, and knowledge graphs.
Key advantages:
CocoInsight companion tool provides best-in-class data lineage and observability, helping you understand your pipeline step-by-step without requiring deep data expertise. This significantly boosts developer velocity and lowers barriers to data engineering.
Production-ready from day zero with automatic schema management, cloud-native architecture, and enterprise features including VPC deployments, guaranteed SLA, and data governance. Available as open-source (Apache 2.0) for self-hosting, with free personal use options and enterprise support tiers.
Streamline API authentication with UnKey's powerful, developer-friendly platform for creating, revoking, and monitoring API keys.

UnKey revolutionizes API key management, offering developers a robust and user-friendly solution for securing and scaling their applications. With UnKey, you can effortlessly create, revoke, and monitor API keys, ensuring optimal control over access to your services.
Key benefits of UnKey include:
Whether you're a solo developer or part of a large team, UnKey provides the tools you need to manage API authentication efficiently and securely. Say goodbye to the headaches of traditional key management and hello to a more streamlined, powerful approach with UnKey.
Full-lifecycle API management platform that unifies synchronous and asynchronous ecosystems. Manage APIs, event streams, and AI agents with enterprise security and 4x faster gateway performance.

Gravitee.io is a comprehensive open source API management platform that goes beyond traditional API gateways to provide unified management of APIs, event streams, and agentic AI systems. Named a leader in Gartner's 2024 Magic Quadrant for API Management, it offers enterprise-grade capabilities with the flexibility of open source deployment.
Key Features:
The platform enables organizations to monetize event streams with advanced security policies, create APIs with drag-and-drop simplicity, and monitor performance with detailed analytics and instant alerts. With unlimited events and API calls for one monthly price, Gravitee.io provides exceptional value for enterprises looking to scale their API infrastructure without constraints.