Bitsight Security Ratings API

Bitsight Security Ratings REST API for continuous security performance measurement and third-party risk management. Enables AI agents to retrieve company security ratings and rating history for portfolio monitoring, handle third-party and supply chain risk assessment automation, access risk vector data covering botnet infections, open ports, patching cadence, and web application security, retrieve security performance benchmarking data against industry peers, manage subsidiary and supply chain company portfolio tracking, handle security questionnaire and findings data integration, access ransomware susceptibility and exposure scoring, retrieve attack surface management and exposed asset data, manage alert and threshold notification configuration, and integrate security rating data with GRC, TPRM, and cyber insurance platforms.

Evaluated Mar 07, 2026 (0d ago) vcurrent
Homepage ↗ Developer Tools bitsight security-ratings cyber-risk third-party-risk attack-surface vendor-risk external-security
⚙ Agent Friendliness
62
/ 100
Can an agent use this?
🔒 Security
77
/ 100
Is it safe for agents?
⚡ Reliability
72
/ 100
Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality
20
Documentation
78
Error Messages
72
Auth Simplicity
82
Rate Limits
70

🔒 Security

TLS Enforcement
95
Auth Strength
75
Scope Granularity
65
Dep. Hygiene
75
Secret Handling
75

Security ratings. SOC2, ISO27001. API token. US. External security posture data.

⚡ Reliability

Uptime/SLA
75
Version Stability
75
Breaking Changes
68
Error Recovery
72
AF Security Reliability

Best When

An enterprise using Bitsight wants AI agents to automate continuous vendor security monitoring, third-party risk assessment, portfolio security tracking, cyber insurance data provision, and GRC integration.

Avoid When

OPERATIONAL RISK: Security rating data reflects external observable signals — ratings can lag actual security improvements or incorrectly penalize for false positives. Automated vendor contract decisions based solely on Bitsight scores without vendor engagement can damage relationships. Ratings are one input among many for risk decisions.

Use Cases

  • Monitoring vendor security ratings from third-party risk management agents
  • Automating cyber insurance underwriting from risk quantification agents
  • Tracking portfolio company security posture from investment risk agents
  • Integrating security ratings with GRC from vendor governance agents

Not For

  • Internal vulnerability management without external-facing security posture focus
  • Application security testing without continuous external monitoring
  • Consumer security tools without enterprise portfolio monitoring

Interface

REST API
Yes
GraphQL
No
gRPC
No
MCP Server
No
SDK
No
Webhooks
Yes

Authentication

Methods: apikey
OAuth: No Scopes: No

Bitsight uses API token authentication (Bearer token). Per-account token with portfolio access. Webhooks for rating change and alert notifications. REST API documentation on Bitsight Help Center. No SDK — direct REST with standard pagination. Bitsight data is observable/external — no customer installation required.

Pricing

Model: enterprise
Free tier: No
Requires CC: No

Boston, Massachusetts. Founded 2011. Private (Moody's investment). Security ratings market pioneer. $250M+ funding. 3,000+ customers. Moody's partnership for credit risk integration. Acquired by Moody's Corporation (2023, $250M equity stake). Cyber insurance data provider. Strong financial services and Fortune 500. Competes with SecurityScorecard for security ratings.

Agent Metadata

Pagination
cursor
Idempotent
Full
Retry Guidance
Documented

Known Gotchas

  • OPERATIONAL RISK: Security ratings are external signals — use as one input; engage vendors before automated contract decisions based on scores
  • Portfolio size licensing — API access is limited to companies in your subscribed portfolio; queries for companies outside portfolio return errors
  • Rating change latency — Bitsight collects data continuously but scores update on weekly/daily cadence; real-time monitoring requires webhook for change events
  • Risk vector coverage — not all risk vectors are included in all subscription tiers; verify tier includes required risk vectors for automation
  • Company matching — identifying companies by domain/IP requires accurate attribution; Bitsight attribution is best-effort for ambiguous assets
  • Webhook for monitoring — polling for rating changes is inefficient; use webhooks for threshold breach alerts in production monitoring

Alternatives

Full Evaluation Report

Comprehensive deep-dive: security analysis, reliability audit, agent experience review, cost modeling, competitive positioning, and improvement roadmap for Bitsight Security Ratings API.

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Package Brief

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Delivered within 10 minutes

$3

Score Monitoring

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$3/mo

Scores are editorial opinions as of 2026-03-07.

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