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Grafbase is an open-source GraphQL federation gateway and API platform designed to unify multiple backend services and data sources into a single, high-performance GraphQL interface. The project provides a Rust-based gateway that acts as the central layer for composing and managing distributed APIs, particularly in microservice architectures where data may come from many independent systems. By supporting GraphQL federation standards, the platform enables teams to combine multiple subgraphs or services into a unified schema that clients can query as a single endpoint. Grafbase is designed for large-scale production environments, emphasizing high throughput, low latency, and efficient resource usage through its Rust implementation. The system also includes tools for schema governance, API lifecycle management, and collaboration workflows, helping engineering teams safely evolve complex APIs over time.
Features
- High-performance GraphQL federation gateway implemented in Rust
- Support for Apollo Federation v2 and distributed GraphQL subgraphs
- Integration with multiple data sources including REST APIs, databases, and message queues
- Extensible architecture using WebAssembly modules for custom logic
- Schema governance and collaboration tools for managing evolving APIs
- CLI and deployment tooling for building, testing, and operating GraphQL services
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