{
"data": {
"object": "session",
"id": "sid_0123456789abcdefghjkmnpqrs",
"created_at": "2026-03-24T20:00:00.000Z",
"client_user_id": "user_123",
"decision": {
"event_id": "evt_23456789abcdefghjkmnpqrstv",
"automation_status": "automated",
"risk_score": 94,
"evaluation_phase": "behavioral",
"decision_status": "final",
"evaluated_at": "2026-03-24T20:00:05.000Z"
},
"highlights": [
{
"key": "browser_automation",
"effect": "increases_risk",
"importance": "high",
"summary": "Browser automation markers were detected.",
"evidence": [
{
"signal": "webdriver_detected",
"name": "WebDriver detected"
},
{
"signal": "anti_detect_browser_indicators",
"name": "Anti-detect browser indicators"
}
]
},
{
"key": "network_anonymity",
"effect": "increases_risk",
"importance": "medium",
"summary": "This session originated from a VPN-associated network.",
"evidence": [
{
"signal": "vpn_associated_ip",
"name": "VPN-associated IP"
}
]
},
{
"key": "runtime_anomalies",
"effect": "increases_risk",
"importance": "medium",
"summary": "Runtime integrity checks found suspicious environment traits.",
"evidence": [
{
"signal": "virtualization_indicators",
"name": "Virtualization indicators"
},
{
"signal": "developer_tools_detected",
"name": "Developer tools detected"
},
{
"signal": "privacy_hardening_indicators",
"name": "Privacy hardening indicators"
}
]
},
{
"key": "browser_profile_consistent",
"effect": "reduces_risk",
"importance": "medium",
"summary": "Browser identity and device capabilities are internally consistent for a desktop Chromium environment."
},
{
"key": "known_visitor_fingerprint",
"effect": "context",
"importance": "medium",
"summary": "This visitor fingerprint has been seen before.",
"evidence": [
{
"signal": "returning_visitor_fingerprint",
"name": "Seen 14 times"
}
]
}
],
"automation": {
"category": "automation",
"confidence": 0.97,
"provider": "browserless",
"product": "playwright",
"framework": "playwright",
"concealment_style": "stealth",
"organization": "Browserless",
"facets": {
"category": {
"value": "automation",
"confidence": 0.97,
"relation": "is"
},
"provider_family": {
"value": "browserless",
"confidence": 0.92,
"relation": "resembles"
},
"product_identity": {
"value": "playwright",
"confidence": 0.89,
"relation": "is"
},
"execution_framework": {
"value": "playwright",
"confidence": 0.89,
"relation": "is"
},
"concealment_style": {
"value": "stealth",
"confidence": 0.73,
"relation": "is"
},
"organization": {
"value": "Browserless",
"confidence": 0.68,
"relation": "is"
}
}
},
"web_bot_auth": {
"status": "verified",
"domain": "browserless.io"
},
"network": {
"ip_address": "203.0.113.9",
"ip_version": "ipv4",
"status": "ready",
"summary": "This IP appears associated with VPN traffic.",
"location": {
"city": "San Francisco",
"region": "California",
"country": "United States",
"country_code": "US",
"latitude": 37.7749,
"longitude": -122.4194,
"timezone": "America/Los_Angeles",
"postal_code": "94103",
"accuracy_radius_km": 10
},
"routing": {
"asn": "64512",
"organization": "Example Networks"
},
"anonymity": {
"vpn": true,
"proxy": false,
"tor": false,
"relay": false,
"hosting": false,
"residential_proxy": false,
"callback_proxy": false,
"provider": "Example VPN"
},
"reputation": {
"listed": true,
"categories": ["vpn"],
"suspicious_network": false
},
"evidence": {
"risk_signals": ["vpn"],
"operator_tags": ["vpn"],
"client_types": ["consumer"],
"client_count": 3
},
"evaluated_at": "2026-03-24T20:00:05.000Z"
},
"runtime_integrity": {
"tampering_detected": true,
"developer_tools_detected": true,
"emulation_suspected": false,
"virtualization_suspected": true,
"privacy_hardening_suspected": true,
"identity_spoofing_suspected": false,
"replay_suspected": false,
"outdated_environment": false,
"verified_bot_identity": false
},
"visitor_fingerprint": {
"object": "visitor_fingerprint",
"id": "vid_456789abcdefghjkmnpqrstvwx",
"confidence": 93,
"identified_at": "2026-03-24T20:00:01.000Z",
"lifecycle": {
"first_seen_at": "2026-03-01T18:22:11.000Z",
"last_seen_at": "2026-03-24T20:00:05.000Z",
"seen_count": 14
}
},
"connection_fingerprint": {
"ja4": {
"hash": "t13d1516h2_8daaf6152771_02713d6af862",
"profile": "chrome",
"family": "chromium",
"product": "edge",
"confidence": "exact",
"deterministic": true
},
"http2": {
"akamai_fingerprint": "1:65536;4:131072;5:16384|12517377|0|m,p,a,s",
"profile": "chrome"
},
"user_agent_alignment": "match"
},
"previous_decisions": [
{
"event_id": "evt_3456789abcdefghjkmnpqrstvw",
"automation_status": "uncertain",
"risk_score": 41,
"evaluation_phase": "snapshot",
"decision_status": "preliminary",
"evaluated_at": "2026-03-24T20:00:01.000Z"
}
],
"request": {
"url": "https://example.com/signup",
"referrer": "https://example.com/",
"user_agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.6312.86 Safari/537.36"
},
"browser": {
"name": "Chromium",
"version": "123.0.0.0",
"major_version": "123",
"engine": "blink"
},
"device": {
"form_factor": "desktop",
"operating_system": {
"name": "macOS",
"version": "14.4.0"
},
"architecture": "arm",
"screen": {
"size": "1440x900",
"color_depth": 24,
"pixel_ratio": 2,
"orientation_type": "landscape-primary"
},
"locale": {
"timezone": "America/Los_Angeles",
"primary_language": "en-US",
"languages": ["en-US", "en"]
},
"capabilities": {
"touch": {
"available": false,
"max_touch_points": 0
},
"storage": {
"cookies": true,
"local_storage": true,
"indexed_db": true,
"service_worker": true,
"window_name": true
},
"webgpu": {
"available": false
},
"platform_authenticator": {
"available": true,
"conditional_mediation": true
},
"media_devices": {
"available": true
},
"speech_synthesis": {
"available": false
}
}
},
"analysis_coverage": {
"browser": true,
"device": true,
"network": true,
"runtime": true,
"behavioral": true,
"visitor_identity": true
},
"signals_fired": [
{
"signal": "webdriver_detected",
"role": "risk",
"category": "environment",
"strength": "definitive",
"signal_score": 100
},
{
"signal": "anti_detect_browser_indicators",
"role": "risk",
"category": "environment",
"strength": "strong",
"signal_score": 84
},
{
"signal": "software_rendered_graphics_path",
"role": "risk",
"category": "fingerprint",
"strength": "strong",
"signal_score": 73
},
{
"signal": "virtualization_indicators",
"role": "risk",
"category": "environment",
"strength": "strong",
"signal_score": 61
}
],
"client_telemetry": {
"navigator": {
"platform": "macOS",
"vendor": "Google Inc.",
"hardware_concurrency": null,
"device_memory": null,
"max_touch_points": 0,
"pdf_viewer_enabled": true,
"cookie_enabled": true,
"product_sub": "20030107",
"primary_language": "en-US",
"languages": ["en-US", "en"],
"mime_types_count": 5,
"plugins": ["PDF Viewer", "Chrome PDF Viewer"]
},
"storage": {
"cookies": true,
"local_storage": true,
"session_storage": true,
"indexed_db": true,
"service_worker": true,
"window_name": true
},
"canvas": {
"hash": 123456,
"geometry_hash": 998877,
"text_hash": 112233,
"winding": null,
"noise_detected": true,
"offscreen_consistent": true
},
"graphics": {
"webgl": {
"vendor": "Google Inc.",
"renderer": "ANGLE (Apple, ANGLE Metal Renderer)",
"version": "WebGL 1.0",
"shading_language_version": "WebGL GLSL ES 1.0",
"parameters_hash": "params_123",
"extensions_hash": 333444,
"extension_parameters_hash": "webgl2_456",
"shader_precision_hash": 777888
},
"webgpu": {
"available": false,
"adapter_vendor": "Apple",
"adapter_architecture": "metal",
"fallback_adapter": false,
"features_hash": 0,
"limits_hash": 0
}
},
"audio": {
"hash": 124.0434,
"sample_rate": 48000,
"channel_count": null,
"voice_count": 3,
"local_voice_count": 2,
"default_voice_lang": "en-US",
"noise_detected": true
},
"fonts": {
"detected_count": 2,
"tested_count": null,
"enumeration_hash": 3649417752,
"metrics_hash": 223344,
"preferences_hash": null,
"emoji_hash": 112233
},
"media": {
"device_count": 1,
"counts_by_kind": {
"audiooutput": 1
},
"blank_label_count": 1,
"topology_hash": 123
}
}
},
"meta": {
"request_id": "req_0123456789abcdef0123456789abcdef"
}
}
