GraphQL Mesh

Overview GraphQL Mesh is an open-source framework that lets you query any API using GraphQL. It takes data from sources like REST, gRPC, SOAP, OData, and databases such as SQLite, MySQL, Neo4j, PostgreSQL, and MongoDB, then turns them into a single GraphQL schema. It is built for teams that manage multiple API services and want a unified query layer without rewriting their backend. Unlike Apollo Federation or Hasura, Mesh handles non-GraphQL sources directly, so you do not need to convert everything to GraphQL first. Key Benefits Connect REST, gRPC, SOAP, OData, Thrift, JSON Schema, OpenAPI, and databases into one GraphQL schema. Run Mesh on Node.js, Bun, Docker, Cloudflare Workers, AWS Lambda, Google Cloud Platform, Azure Functions, Fastify, Koa, Hapi, SvelteKit, and more. Use transforms to rename fields, modify results, add middleware resolvers, and merge types within the schema. Add caching, monitoring and tracing, and security features through its plugin system. Community-driven open-source framework that welcomes custom extensions. Automate creation of type-safe GraphQL APIs from any data source without manual schema stitching. How It Works You define a configuration file listing your data sources — REST endpoints, gRPC services, databases, or other APIs — and specify any transforms you want to apply. Mesh reads that configuration, introspects each source, and generates a unified GraphQL schema automatically. You then deploy the resulting GraphQL endpoint to any JavaScript runtime; client applications send standard GraphQL queries and Mesh resolves them across the underlying services. Use Cases Backend engineers at companies with multiple internal APIs (REST, gRPC, SOAP) who need one GraphQL endpoint without migrating each service. Platform teams adopting a federated architecture who want to include legacy or third-party services that do not natively support GraphQL. Developers building serverless functions on AWS Lambda, Cloudflare Workers, or Azure Functions who need lightweight data access. Teams migrating from a monolithic REST API to a GraphQL ecosystem and want to incrementally wrap existing endpoints. API gateway maintainers who require caching, rate-limiting, authentication, and monitoring plugins in a single GraphQL layer. Why Choose This Product GraphQL Mesh is suited for teams that already use or plan to adopt GraphQL but need to integrate non-GraphQL services into the same schema without rewriting them. It works best in JavaScript environments and supports a wide range of backends. The documentation compares Mesh directly to Apollo Federation, Hasura, and GraphQL Tools, noting that Mesh offers the broadest support for non-GraphQL sub-services and a configuration-based setup with custom resolvers.