# Smithy

**Canonical:** https://apis.io/apis/specifications/smithy/  
**Provider:** API Specifications — https://apis.io/providers/specifications/  
**Base URL:** https://smithy.io/2.0/  
**Documentation:** https://smithy.io/

Smithy is one of 13 APIs that [API Specifications](https://apis.io/providers/specifications/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Smithy, IDL, Service Definition, and Specification Language. The published artifact set on APIs.io includes API documentation and a GitHub repository.

Smithy is an open-source IDL and code-generation framework for defining services and SDKs, created and maintained by AWS. It is protocol-agnostic (HTTP REST, AWS JSON, MQTT, RPC), supports traits-based modeling, and is used to generate AWS service SDKs, OpenAPI, and JSON Schema. Smithy is Apache 2.0 licensed.

## Machine-readable artifacts (7)

- **Documentation** — https://smithy.io/2.0/quickstart.html
- **Specification** — https://smithy.io/2.0/spec/index.html
- **GitHubOrganization** — https://github.com/smithy-lang
- **GitHubRepository** — https://github.com/smithy-lang/smithy
- **Governance** — https://github.com/smithy-lang
- **License** — https://www.apache.org/licenses/LICENSE-2.0
- **Examples** — https://raw.githubusercontent.com/api-evangelist/specifications/refs/heads/main/examples/smithy-example.json

## Other API Specifications APIs (12)

- [OpenAPI Specification (OAS)](https://apis.io/apis/specifications/openapi/)
- [AsyncAPI Specification](https://apis.io/apis/specifications/asyncapi/)
- [JSON Schema](https://apis.io/apis/specifications/json-schema/)
- [JSON Structure](https://apis.io/apis/specifications/json-structure/)
- [GraphQL SDL](https://apis.io/apis/specifications/graphql/)
- [gRPC and Protocol Buffers](https://apis.io/apis/specifications/grpc-protobuf/)
- [TypeSpec](https://apis.io/apis/specifications/typespec/)
- [RAML (RESTful API Modeling Language)](https://apis.io/apis/specifications/raml/)
- [API Blueprint](https://apis.io/apis/specifications/api-blueprint/)
- [WSDL / SOAP](https://apis.io/apis/specifications/wsdl-soap/)
- [JSON-RPC 2.0](https://apis.io/apis/specifications/json-rpc/)
- [Tinybird API Spec](https://apis.io/apis/specifications/tinybird/)

## Tags

Smithy, IDL, Service Definition, Specification Language

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/specifications/smithy/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/specifications/.