> For the complete documentation index, see [llms.txt](https://docs.parallels.com/landing/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.parallels.com/landing/ras-rest-api-guide/api-reference/farm-settings/licensing/activate.md).
# Activate
## Activate
> Activate Parallels RAS using a valid license key. Also allows to activate Parallels RAS as a trial version.
> \
> Trial version will be activated if the key is empty.
```json
{"openapi":"3.0.1","info":{"title":"Parallels RAS - REST API v1.0","version":"1.0"},"paths":{"/api/License/activate":{"post":{"tags":["1-Farm settings//Licensing"],"summary":"Activate","description":"Activate Parallels RAS using a valid license key. Also allows to activate Parallels RAS as a trial version.\r\nTrial version will be activated if the key is empty.","operationId":"d8222fac-760d-433a-9e58-10c1927b9e05","requestBody":{"description":"License settings.","content":{"application/json; api-version=1.0":{"schema":{"$ref":"#/components/schemas/InvokeLicActivate"}}}},"responses":{"204":{"description":"No Content"},"401":{"description":"Unauthorized","content":{"application/json; api-version=1.0":{"schema":{"$ref":"#/components/schemas/ProblemDetails"}}}}}}}},"components":{"schemas":{"InvokeLicActivate":{"required":["email","password"],"type":"object","properties":{"email":{"type":"string","description":"The email address you use to log in to Parallels My Account.","nullable":true},"password":{"type":"string","description":"Your Parallels account password.","nullable":true},"key":{"type":"string","description":"Parallels RAS License Key. The key must be registered in Parallels My Account.\r\nTo activate Parallels RAS as a trial version, omit this parameter.","nullable":true},"macAddress":{"type":"string","description":"Bind the license activation with a specific MAC address.\r\nThe MAC address should be in the format XX-XX-XX-XX-XX-XX.\r\nTo select a MAC address automatically, omit this parameter.","nullable":true}},"additionalProperties":false,"description":"To invoke license activation\r\n"},"ProblemDetails":{"type":"object","properties":{"type":{"type":"string","nullable":true},"title":{"type":"string","nullable":true},"status":{"type":"integer","format":"int32","nullable":true},"detail":{"type":"string","nullable":true},"instance":{"type":"string","nullable":true}},"additionalProperties":{}}}}}
```
---
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