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Automatically convert JSON data structures into Smithy IDL model definitions to simplify your API design and service modeling workflow.
JSON to C# Class Converter
Automatically convert JSON data into C# class definitions, ideal for .NET developers building data models.
JSON to YAML & YAML to JSON Converter
Bidirectionally convert between JSON and YAML structured data formats, with support for custom output styling.
JSON to CSV & CSV to JSON Converter
Convert seamlessly between JSON arrays and CSV tabular data. Ideal for data analysis and software development.
When you need to convert existing JSON data structures into standard Smithy models but want to avoid manual coding, this tool automatically parses JSON samples and generates the corresponding Smithy shape definitions. It uses type inference to map JSON objects to Smithy structures, arrays to lists, and splits nested objects into independent structures. The output is code that complies with the Smithy Interface Definition Language (IDL) specifications, effectively reducing manual coding errors in API design.
Q: What Smithy type is an empty JSON array converted to?
A: Empty arrays are inferred as a list of Strings by default. We recommend manually adjusting the specific type. This is a common limitation of type inference.
Q: Can it generate Smithy traits like @required?
A: No. This tool focuses on generating the structural skeleton; traits must be added manually.
Please ensure the input is in a valid JSON format. Complex union types require manual verification. The generated models do not include validation traits. For sensitive data, offline use is recommended.
For generic data modeling, it is recommended to first use a sample JSON that covers all field variants. Common example: an input of {"status":1} outputs status: Integer, while {"status":"active"} outputs status: String. Smithy recommends defining clear type boundaries and avoiding the generic use of the String type.
