# Q Ctrl

**Canonical:** https://apis.io/providers/q-ctrl/  
**Website:** https://q-ctrl.com/  
**APIs profiled:** 1

Q-CTRL builds infrastructure software to power the quantum future, delivering AI-driven quantum control, error-suppression, and performance-management tools that span quantum computing and quantum sensing. Its products — Boulder Opal (hardware design and control), Fire Opal (quantum error suppression), Black Opal (education), and Ironstone Opal (GPS-free quantum navigation) — are consumed primarily through official Python client libraries that authenticate against the Q-CTRL account service and call a hosted cloud GraphQL API at api.q-ctrl.com. Q-CTRL serves enterprise, defense, aerospace, and research customers and is ISO/IEC 27001:2022 certified.

## Kin Score — 30.4 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 30.4).

| Facet | Score |
|---|---|
| Discoverability | 75.9 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 44.7 |
| Developer Ergonomics | 41.7 |
| Commercial Clarity | 43.4 |
| Access Clarity | 43.4 |

## Agent readiness — 8.5 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: medium).

## APIs (1)

- **Q-CTRL Cloud API** — Hosted GraphQL API behind the Q-CTRL Boulder Opal and Fire Opal Python clients. Not published as a public OpenAPI/REST spec; accessed via the official SDKs with an account-issue...

## Security (4)

- **Q Ctrl Authentication** — apiKey · 1 scheme
- **Q Ctrl Domain Security** — TLSv1.3 · HSTS · DMARC
- **Q Ctrl Vulnerability Disclosure** — contact published
- **Q Ctrl Trust Center** — ISO/IEC 27001:2022, Cyber Essentials, NIST SP 800-171 Rev 3, DISP (Defence Industry Security Program)

## Tags

Company, Quantum Computing, Quantum Control, Quantum Sensing, Error Suppression, Developer Tools, SDK, GraphQL API

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