GET /internal/session/sessions/{user_id}/active

Internal API: Lightweight check if a specified user has active sessions, returns active status and session count. Passes tenant context via X-Tenant-ID header, no JWT authentication required. References: RFC 7519 (JWT), NIST SP 800-63B §4 (Session Management).

Request Parameters

Name	In	Type	Required	Default	Example	Constraints	Description
user_id	path	string	Yes				User ID

Responses

Status	Description	Schema
200	Active status and session count	dto.ActiveSessionStatus
400	Invalid request parameters or missing X-Tenant-ID	dto.Problem
401	Invalid internal API key	dto.Problem
500	Internal server error	dto.Problem

Referenced Schemas

dto.ActiveSessionStatus

Field	Type	Required	Example	Constraints	Description
active	boolean	No	True
session_count	integer	No	3

dto.FieldViolation

Field	Type	Required	Example	Constraints	Description
code	string	No			Code is an error code (optional). Used by programs to identify error types, e.g., "required", "format", "range"
description	string	No			Description is a human-readable error description. Should explain which rule was violated, e.g., "Must be a valid email address"
field	string	No			Field is the path to the error field. Uses dot notation for nested fields, e.g., "user.email" or "addresses[0].city"
value	object	No			Value is the value that caused the error (optional, used in development mode). May not be returned in production to avoid leaking sensitive information

dto.Problem

Field	Type	Required	Example	Constraints	Description
code	integer	No			Code is a business error code. Used by programs to handle specific error scenarios. Example: 30101001
detail	string	No			Detail is a human-readable explanation for this specific error instance. May include specific error details, e.g., "Field 'email' is required"
errors	array of See dto.FieldViolation	No			Errors is a list of field-level validation errors (extension field). Follows Web API standard practices, each error contains field name and error message
i18n_args	object	No			I18nArgs are internationalization parameters. Used to dynamically fill translation templates
i18n_key	string	No			I18nKey is an internationalization key. Used for client-side localization of error messages. Example: "error.user_not_found"
instance	string	No			Instance is a specific URI reference where the problem occurred. Usually the request URL, may include query parameters. Example: "/api/v1/users?limit=invalid"
request_id	string	No			RequestID is a unique request identifier. Used for log correlation and issue tracking. Example: "req_550e8400-e29b-41d4-a716-446655440000"
retry_after	integer	No			RetryAfter is used for 429 Too Many Requests responses. Indicates how many seconds the client should wait before retrying (RFC 6585)
service	string	No			Service is the service name. Used in microservice architecture to locate the error source. Example: "auth-service"
span_id	string	No			SpanID is the current span identifier. Used to precisely locate the current node in a distributed trace
status	integer	No			Status is the HTTP status code generated. Used by clients to distinguish problem types, does not change with Accept-Language. Example: 400, 401, 403, 404, 500
timestamp	string	No			Timestamp is the error occurrence time. ISO 8601 format. Example: "2026-04-03T12:00:00Z"
title	string	No			Title is a short, human-readable summary of the problem type. The same Type should always have the same Title (does not change per instance). Example: "Invalid Request Parameters"
trace_id	string	No			TraceID is a distributed tracing identifier. Follows W3C Trace Context standard. Example: "00-0af7651916cd43dd8448eb211c80319c-b7ad6b7169203331-01"
type	string	No			Type is a URI reference that identifies the problem type. When dereferenced, it should provide human-readable documentation. Example: "https://api.example.com/errors/invalid-request"