fusio vs data-api-builder
fusio: Fusio is a self-hosted backend platform and API gateway that bridges the gap between your internal infrastructure and the outside world. It transforms your services into a professional API product, complete with an automated developer portal, SDK generation, and monetization tools. With native MCP support, Fusio also acts as a bridge to the AI ecosystem, allowing you to turn your backend logic into tools for autonomous agents.; data-api-builder: Data API builder (DAB) is an open-source, no-code CRUD data API engine that runs in containers, supporting multiple databases and environments. It dynamically generates REST and GraphQL endpoints, abstracts database queries, and includes integrated tooling and telemetry.
TL;DR
Exposing legacy SQL/NoSQL databases as REST APIs.
- You want REST and GraphQL endpoints over Azure SQL, SQL Server, Cosmos DB, PostgreSQL or MySQL from a JSON config, with no application code.
- You run on Azure, another cloud or on-premises and want a container-friendly, MIT-licensed engine.
- You want to watch for MCP support: the README lists it as coming soon.
- You need a working MCP server today; the README marks MCP as coming soon.
- You want an AI-first tool: you design entities, permissions and authentication yourself, and development mode exposes Swagger and GraphQL introspection.
- You cannot install the .NET 8 runtime or later.
Side-by-Side Comparison
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