> ## Documentation Index > Fetch the complete documentation index at: https://docs.verisoul.ai/llms.txt > Use this file to discover all available pages before exploring further. # Unauthenticated Session ## OpenAPI ````yaml session-openapi.json POST /session/unauthenticated openapi: 3.0.1 info: title: Verisoul API description: The Verisoul API is used to integrate Verisoul into your application. license: name: MIT version: 1.0.0 servers: - url: https://api.sandbox.verisoul.ai security: - apiKeyAuth: [] paths: /session/unauthenticated: post: description: Evaluates a session without authentication parameters: - name: accounts_linked in: query description: Whether to include linked accounts in the response required: false schema: type: boolean requestBody: description: Session information content: application/json: schema: $ref: '#/components/schemas/SessionUnauthenticatedRequest' required: true responses: '200': description: Session evaluation response content: application/json: schema: $ref: '#/components/schemas/SessionUnauthenticatedResponse' examples: default: summary: Session evaluation response value: project_id: 00000000-0000-0000-0000-000000000001 session_id: 56f9a065-1583-48af-a5c4-cd5921b21a12 request_id: f1ebfd0d-334d-450e-88e8-4705dba7d611 decision: Real account_score: 0.2233 bot: 0 multiple_accounts: 0.2053 risk_signals: 0.3018 accounts_linked: 2 lists: - us_users session: start_time: '2025-06-10T16:45:21.822Z' true_country_code: US device_id: 6yONB4zT6k2i7SXvWkwC9s network: ip_address: 2600:1700:261:b810:8828:f0b6:3b95:667c service_provider: AT&T Enterprises, LLC connection_type: isp location: continent: NA country_code: US state: Texas city: Austin zip_code: '78729' timezone: America/Chicago latitude: 30.4521 longitude: -97.7688 browser: type: Chrome version: 137.0.0.0 language: en-US user_agent: >- Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36 timezone: America/Chicago device: category: desktop type: Mac os: macOS 10.15.7 cpu_cores: 16 memory: 8 gpu: >- ANGLE (Apple, ANGLE Metal Renderer: Apple M4 Max, Unspecified Version) screen_height: 1329 screen_width: 2056 bot: mouse_num_events: 0 click_num_events: 0 keyboard_num_events: 0 touch_num_events: 0 clipboard_num_events: 0 risk_signals: device_risk: false proxy: false vpn: false tor: false spoofed_ip: false datacenter: false recent_fraud_ip: false impossible_travel: false device_network_mismatch: false location_spoofing: false risk_signal_scores: device_risk: 0.4024 proxy: 0 vpn: 0 tor: 0 datacenter: 0 recent_fraud_ip: 0 impossible_travel: 0 device_network_mismatch: 0.0001 location_spoofing: 0 with accounts_linked: summary: Session evaluation response with linked accounts value: project_id: 00000000-0000-0000-0000-000000000001 session_id: 56f9a065-1583-48af-a5c4-cd5921b21a12 request_id: f1ebfd0d-334d-450e-88e8-4705dba7d611 decision: Real account_score: 0.2233 bot: 0 multiple_accounts: 0.2053 risk_signals: 0.3018 accounts_linked: 2 lists: - us_users session: start_time: '2025-06-10T16:45:21.822Z' true_country_code: US device_id: 6yONB4zT6k2i7SXvWkwC9s network: ip_address: 2600:1700:261:b810:8828:f0b6:3b95:667c service_provider: AT&T Enterprises, LLC connection_type: isp location: continent: NA country_code: US state: Texas city: Austin zip_code: '78729' timezone: America/Chicago latitude: 30.4521 longitude: -97.7688 browser: type: Chrome version: 137.0.0.0 language: en-US user_agent: >- Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36 timezone: America/Chicago device: category: desktop type: Mac os: macOS 10.15.7 cpu_cores: 16 memory: 8 gpu: >- ANGLE (Apple, ANGLE Metal Renderer: Apple M4 Max, Unspecified Version) screen_height: 1329 screen_width: 2056 bot: mouse_num_events: 0 click_num_events: 0 keyboard_num_events: 0 touch_num_events: 0 clipboard_num_events: 0 risk_signals: device_risk: false proxy: false vpn: false tor: false spoofed_ip: false datacenter: false recent_fraud_ip: false impossible_travel: false device_network_mismatch: false location_spoofing: false risk_signal_scores: device_risk: 0.4024 proxy: 0 vpn: 0 tor: 0 datacenter: 0 recent_fraud_ip: 0 impossible_travel: 0 device_network_mismatch: 0.0001 location_spoofing: 0 linked_accounts: - account_id: john-doe-2 score: 1 email: john.doe2@example.com match_type: - browser - network - email lists: - us_users metadata: {} - account_id: alice-2 score: 0.17 email: alice.2@example.com match_type: - network lists: - us_users metadata: {} '400': description: Session not found or invalid request content: application/json: schema: $ref: '#/components/schemas/SessionAuthenticateError' example: statusCode: 400 message: Session ID not found components: schemas: SessionUnauthenticatedRequest: type: object required: - session_id properties: session_id: type: string description: The ID of the session to evaluate SessionUnauthenticatedResponse: type: object properties: project_id: type: string description: The ID of the project session_id: type: string description: The ID of the session request_id: type: string description: The ID of the request decision: type: string description: Decision about the authenticity (Real/Fake) account_score: type: number format: float description: Overall account risk score bot: type: number format: float description: Bot detection score multiple_accounts: type: number format: float description: Multiple accounts detection score risk_signals: type: number format: float description: Risk signals score accounts_linked: type: integer description: Number of accounts linked to this session lists: type: array items: type: string description: Lists the session belongs to session: $ref: '#/components/schemas/SessionDetails' linked_accounts: type: array items: $ref: '#/components/schemas/LinkedAccount' description: >- List of accounts linked to this session (only included when accounts_linked=true) SessionAuthenticateError: type: object properties: statusCode: type: integer description: HTTP status code message: type: string description: Error message SessionDetails: type: object properties: start_time: type: string format: date-time description: Timestamp when the session started true_country_code: type: string description: The true country code of the session device_id: type: string description: Device identifier from the session network: type: object properties: ip_address: type: string description: IP address of the session service_provider: type: string description: Internet service provider connection_type: type: string description: Type of network connection location: type: object properties: continent: type: string description: Continent code country_code: type: string description: Country code state: type: string description: State or region city: type: string description: City name zip_code: type: string description: Postal/ZIP code timezone: type: string description: Timezone of the location latitude: type: number format: float description: Latitude coordinate longitude: type: number format: float description: Longitude coordinate browser: type: object properties: type: type: string description: Browser type version: type: string description: Browser version language: type: string description: Browser language setting user_agent: type: string description: User agent string timezone: type: string description: Browser timezone setting device: type: object properties: category: type: string enum: - desktop - mobile - tablet - console - smarttv - wearable - embedded - other description: >- Device category. See [Device Categories](/signals-scores/device#device-categories) for details. type: type: string description: Device type os: type: string description: Operating system cpu_cores: type: integer description: Number of CPU cores memory: type: integer description: Amount of memory in GB gpu: type: string description: GPU information screen_height: type: number description: Screen height in pixels screen_width: type: number description: Screen width in pixels bot: type: object properties: mouse_num_events: type: integer description: Number of mouse events click_num_events: type: integer description: Number of click events keyboard_num_events: type: integer description: Number of keyboard events touch_num_events: type: integer description: Number of touch events clipboard_num_events: type: integer description: Number of clipboard events risk_signals: type: object properties: device_risk: type: boolean description: Device risk flag proxy: type: boolean description: Proxy usage flag vpn: type: boolean description: VPN usage flag tor: type: boolean description: Tor usage flag spoofed_ip: type: boolean description: Spoofed IP flag datacenter: type: boolean description: Datacenter IP flag recent_fraud_ip: type: boolean description: Recent fraud IP flag impossible_travel: type: boolean description: Impossible travel flag device_network_mismatch: type: boolean description: Device network mismatch flag location_spoofing: type: boolean description: Location spoofing flag risk_signal_scores: type: object properties: device_risk: type: number format: float description: Device risk score proxy: type: number format: float description: Proxy detection score vpn: type: number format: float description: VPN detection score tor: type: number format: float description: Tor detection score datacenter: type: number format: float description: Datacenter detection score recent_fraud_ip: type: number format: float description: Recent fraud IP detection score impossible_travel: type: number format: float description: Impossible travel detection score device_network_mismatch: type: number format: float description: Device network mismatch score location_spoofing: type: number format: float description: Location spoofing detection score LinkedAccount: type: object properties: account_id: type: string description: The ID of the linked account score: type: number format: float description: Confidence score of the link between accounts email: type: string description: Email associated with the linked account match_type: type: array items: type: string description: Types of matches that linked these accounts lists: type: array items: type: string description: Lists the linked account belongs to metadata: type: object additionalProperties: true description: Additional metadata about the linked account securitySchemes: apiKeyAuth: type: apiKey in: header name: x-api-key ````