# Authentication

Authentication endpoints

## Authenticate user

> Authenticates with username and password and returns a bearer token.

```json
{"openapi":"3.0.3","info":{"title":"Lineaje Fix Plan Workflow API","version":"1.0.0"},"tags":[{"name":"Authentication","description":"Authentication endpoints"}],"servers":[{"url":"https://lineaje-identity-service.v2.prod.veedna.com","description":"Default server for authentication requests"}],"paths":{"/lineajeidentity/api/v1/login":{"post":{"tags":["Authentication"],"summary":"Authenticate user","description":"Authenticates with username and password and returns a bearer token.","operationId":"authenticationLogin","requestBody":{"required":true,"content":{"application/json":{"schema":{"$ref":"#/components/schemas/LoginRequest"}}}},"responses":{"200":{"description":"Authentication successful","content":{"application/json":{"schema":{"$ref":"#/components/schemas/LoginResponse"}}}}}}}},"components":{"schemas":{"LoginRequest":{"type":"object","required":["username","password"],"properties":{"username":{"type":"string","description":"Lineaje username"},"password":{"type":"string","format":"password","description":"Lineaje password"}}},"LoginResponse":{"type":"object","required":["accessToken","tokenType","expiresIn","scope"],"properties":{"accessToken":{"type":"string","description":"Access token to be used in Authorization header"},"tokenType":{"type":"string"},"expiresIn":{"type":"integer","description":"Token expiration time in seconds"},"scope":{"type":"string"}}}}}}
```


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