# Extensions

API extension discovery and details

## List extensions

> Lists available Networking API v2.0 extensions.

```json
{"openapi":"3.0.3","info":{"title":"Networking API","version":"2.0"},"tags":[{"name":"Extensions","description":"API extension discovery and details"}],"servers":[{"url":"https://{host}/neutron","description":"PCD Network API v2.0","variables":{"host":{"default":"example.platform9.com","description":"The PCD controlplane hostname"}}}],"security":[{"pcdAuth":[]}],"components":{"securitySchemes":{"pcdAuth":{"name":"X-Auth-Token","type":"apiKey","in":"header","description":"PCD Identity Service token authentication"}},"parameters":{"Fields":{"name":"fields","description":"The fields that you want the server to return. If no fields are specified, all fields are returned.","schema":{"type":"string"},"in":"query"}},"schemas":{"ExtensionsResponse":{"type":"object","properties":{"extensions":{"type":"array","items":{"$ref":"#/components/schemas/Extension"}}}},"Extension":{"type":"object","properties":{"name":{"type":"string"},"alias":{"type":"string"},"description":{"type":"string"},"updated":{"format":"date-time","type":"string"},"links":{"type":"array","items":{"$ref":"#/components/schemas/Link"}}}},"Link":{"type":"object","properties":{"href":{"format":"uri","type":"string"},"rel":{"type":"string"}}},"Error":{"type":"object","properties":{"error":{"type":"object","properties":{"message":{"type":"string"},"type":{"type":"string"},"detail":{"type":"string"}}}}}},"responses":{"Unauthorized":{"content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}},"description":"Unauthorized"}}},"paths":{"/v2.0/extensions":{"get":{"tags":["Extensions"],"parameters":[{"$ref":"#/components/parameters/Fields"}],"responses":{"200":{"content":{"application/json":{"schema":{"$ref":"#/components/schemas/ExtensionsResponse"}}},"description":"Successful operation"},"401":{"$ref":"#/components/responses/Unauthorized"}},"operationId":"listExtensions","summary":"List extensions","description":"Lists available Networking API v2.0 extensions."}}}}
```

## Show extension details

> Shows details for an extension, by alias.

```json
{"openapi":"3.0.3","info":{"title":"Networking API","version":"2.0"},"tags":[{"name":"Extensions","description":"API extension discovery and details"}],"servers":[{"url":"https://{host}/neutron","description":"PCD Network API v2.0","variables":{"host":{"default":"example.platform9.com","description":"The PCD controlplane hostname"}}}],"security":[{"pcdAuth":[]}],"components":{"securitySchemes":{"pcdAuth":{"name":"X-Auth-Token","type":"apiKey","in":"header","description":"PCD Identity Service token authentication"}},"parameters":{"Fields":{"name":"fields","description":"The fields that you want the server to return. If no fields are specified, all fields are returned.","schema":{"type":"string"},"in":"query"}},"schemas":{"ExtensionResponse":{"type":"object","properties":{"extension":{"$ref":"#/components/schemas/Extension"}}},"Extension":{"type":"object","properties":{"name":{"type":"string"},"alias":{"type":"string"},"description":{"type":"string"},"updated":{"format":"date-time","type":"string"},"links":{"type":"array","items":{"$ref":"#/components/schemas/Link"}}}},"Link":{"type":"object","properties":{"href":{"format":"uri","type":"string"},"rel":{"type":"string"}}},"Error":{"type":"object","properties":{"error":{"type":"object","properties":{"message":{"type":"string"},"type":{"type":"string"},"detail":{"type":"string"}}}}}},"responses":{"Unauthorized":{"content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}},"description":"Unauthorized"},"NotFound":{"content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}},"description":"Not Found"}}},"paths":{"/v2.0/extensions/{alias}":{"get":{"tags":["Extensions"],"parameters":[{"name":"alias","description":"The alias of an extension.","schema":{"type":"string"},"in":"path","required":true},{"$ref":"#/components/parameters/Fields"}],"responses":{"200":{"content":{"application/json":{"schema":{"$ref":"#/components/schemas/ExtensionResponse"}}},"description":"Successful operation"},"401":{"$ref":"#/components/responses/Unauthorized"},"404":{"$ref":"#/components/responses/NotFound"}},"operationId":"showExtension","summary":"Show extension details","description":"Shows details for an extension, by alias."}}}}
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.platform9.com/api-docs/networking-service/extensions.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.