# Metadata

## Server Metadata

> The server metadata endpoint provides information about the server. A server metadata request is made with an HTTP GET to a server metadata endpoint.

```json
{"openapi":"3.0.3","info":{"title":"Data Plane","version":"2.0"},"tags":[{"name":"metadata"},{"name":"server"}],"paths":{"/v2":{"get":{"summary":"Server Metadata","tags":["metadata","server"],"responses":{"200":{"description":"OK","content":{"application/json":{"schema":{"$ref":"#/components/schemas/MetadataServerResponse"}}}},"400":{"description":"Bad Request","content":{"application/json":{"schema":{"$ref":"#/components/schemas/MetadataServerErrorResponse"}}}}},"operationId":"server-metadata","description":"The server metadata endpoint provides information about the server. A server metadata request is made with an HTTP GET to a server metadata endpoint."}}},"components":{"schemas":{"MetadataServerResponse":{"title":"MetadataServerResponse","type":"object","description":"","properties":{"name":{"type":"string"},"version":{"type":"string"},"extensions":{"type":"array","items":{"type":"string"}}},"required":["name","version","extensions"]},"MetadataServerErrorResponse":{"title":"MetadataServerErrorResponse","type":"object","properties":{"error":{"type":"string"}},"required":["error"]}}}}
```

## Model Metadata

> The per-model metadata endpoint provides information about a model. A model metadata request is made with an HTTP GET to a model metadata endpoint. The model name and (optionally) version must be available in the URL. If a version is not provided the server may choose a version based on its own policies or return an error.

```json
{"openapi":"3.0.3","info":{"title":"Data Plane","version":"2.0"},"tags":[{"name":"metadata"},{"name":"model"}],"paths":{"/v2/models/{model_name}/versions/{model_version}":{"get":{"summary":"Model Metadata","tags":["metadata","model"],"responses":{"200":{"description":"OK","content":{"application/json":{"schema":{"$ref":"#/components/schemas/MetadataModelResponse"}}}},"404":{"description":"Not Found","content":{"application/json":{"schema":{"$ref":"#/components/schemas/MetadataModelErrorResponse"}}}}},"operationId":"model-version-metadata","description":"The per-model metadata endpoint provides information about a model. A model metadata request is made with an HTTP GET to a model metadata endpoint. The model name and (optionally) version must be available in the URL. If a version is not provided the server may choose a version based on its own policies or return an error."}}},"components":{"schemas":{"MetadataModelResponse":{"title":"MetadataModelResponse","type":"object","properties":{"name":{"type":"string"},"versions":{"type":"array","items":{"type":"string"}},"platform":{"type":"string"},"inputs":{"type":"array","items":{"$ref":"#/components/schemas/MetadataTensor"}},"outputs":{"type":"array","items":{"$ref":"#/components/schemas/MetadataTensor"}},"parameters":{"$ref":"#/components/schemas/Parameters"}},"required":["name","platform"]},"MetadataTensor":{"title":"MetadataTensor","type":"object","properties":{"name":{"type":"string"},"datatype":{"type":"string"},"shape":{"type":"array","items":{"type":"integer"}},"parameters":{"$ref":"#/components/schemas/Parameters"}},"required":["name","datatype","shape"]},"Parameters":{"type":"object","title":"Parameters","additionalProperties":true,"properties":{"content_type":{"type":"string"},"headers":{"type":"object"}}},"MetadataModelErrorResponse":{"title":"MetadataModelErrorResponse","type":"object","properties":{"error":{"type":"string"}},"required":["error"]}}}}
```

## Model Metadata

> The per-model metadata endpoint provides information about a model. A model metadata request is made with an HTTP GET to a model metadata endpoint. The model name and (optionally) version must be available in the URL. If a version is not provided the server may choose a version based on its own policies or return an error.

```json
{"openapi":"3.0.3","info":{"title":"Data Plane","version":"2.0"},"tags":[{"name":"metadata"},{"name":"model"}],"paths":{"/v2/models/{model_name}":{"get":{"summary":"Model Metadata","tags":["metadata","model"],"responses":{"200":{"description":"OK","content":{"application/json":{"schema":{"$ref":"#/components/schemas/MetadataModelResponse"}}}},"404":{"description":"Not Found","content":{"application/json":{"schema":{"$ref":"#/components/schemas/MetadataModelErrorResponse"}}}}},"operationId":"model-metadata","description":"The per-model metadata endpoint provides information about a model. A model metadata request is made with an HTTP GET to a model metadata endpoint. The model name and (optionally) version must be available in the URL. If a version is not provided the server may choose a version based on its own policies or return an error."}}},"components":{"schemas":{"MetadataModelResponse":{"title":"MetadataModelResponse","type":"object","properties":{"name":{"type":"string"},"versions":{"type":"array","items":{"type":"string"}},"platform":{"type":"string"},"inputs":{"type":"array","items":{"$ref":"#/components/schemas/MetadataTensor"}},"outputs":{"type":"array","items":{"$ref":"#/components/schemas/MetadataTensor"}},"parameters":{"$ref":"#/components/schemas/Parameters"}},"required":["name","platform"]},"MetadataTensor":{"title":"MetadataTensor","type":"object","properties":{"name":{"type":"string"},"datatype":{"type":"string"},"shape":{"type":"array","items":{"type":"integer"}},"parameters":{"$ref":"#/components/schemas/Parameters"}},"required":["name","datatype","shape"]},"Parameters":{"type":"object","title":"Parameters","additionalProperties":true,"properties":{"content_type":{"type":"string"},"headers":{"type":"object"}}},"MetadataModelErrorResponse":{"title":"MetadataModelErrorResponse","type":"object","properties":{"error":{"type":"string"}},"required":["error"]}}}}
```


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