# Stellar Cyber

**Canonical:** https://apis.io/providers/stellar-cyber/  
**Website:** https://stellarcyber.ai/  
**APIs profiled:** 11

Stellar Cyber is an Open XDR platform that provides AI-driven security operations capabilities including threat detection, investigation, and response. The platform offers an OAS-compliant REST API that enables downstream applications to perform complex queries, join results, analyze data, and automate security operations workflows. Stellar Cyber maintains several sample Python Jupyter Notebooks in GitHub that can help build analyses outside of the platform with the API or connect custom applications.

## Kin Score — 39.1 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 39.1).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 62.0 |
| Governance | 13.6 |
| Contract Governance | 13.6 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 35.7 |
| Commercial Clarity | 30.3 |
| Access Clarity | 30.3 |

## Agent readiness — 19.8 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (11)

- **Stellar Cyber Alerts API** — Alert management, tagging, and status updates
- **Stellar Cyber Authentication API** — API key and JWT token management
- **Stellar Cyber Cases API** — Security case creation, retrieval, update, and closure
- **Stellar Cyber Connectors API** — Data connector management for security telemetry ingestion
- **Stellar Cyber Events API** — Security event management and bulk ingestion
- **Stellar Cyber Playbooks API** — ATH Playbook response action management
- **Stellar Cyber Queries API** — Saved query management
- **Stellar Cyber Reports API** — Security report generation and retrieval
- **Stellar Cyber Sensors API** — Sensor monitoring and management
- **Stellar Cyber Tenants API** — Multi-tenant administration and grouping
- **Stellar Cyber Watchlists API** — Watchlist creation and management

## Agentic access (1)

- **Stellar Cyber Agentic Access** — 34 operations · 21 acting

## Security (3)

- **Stellar Cyber Authentication** — http · 1 scheme
- **Stellar Cyber Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC
- **Stellar Cyber Trust Center** — SOC 2, ISO 27001, GDPR

## Plans (1)

- **Stellar Cyber Plans Pricing**

## Tags

Cybersecurity, Security, XDR, SIEM, SOAR, Artificial Intelligence

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/stellar-cyber/). Scores are computed from the provider's own public artifacts under a published rubric.