# IonQ

**Canonical:** https://apis.io/providers/ionq/  
**Website:** https://ionq.com  
**APIs profiled:** 7

IonQ (NYSE IONQ) is a College Park, Maryland-based public trapped-ion quantum computing company. IonQ designs, manufactures, and operates trapped-ion quantum computers (Aria, Forte, Forte Enterprise, Tempo, Harmony) and delivers them through the IonQ Quantum Cloud REST API, on-premises Forte Enterprise systems, and partner clouds (AWS Braket, Microsoft Azure Quantum, Google Cloud). The platform supports submission of QIS and native-gate circuits, multi-circuit and Quantum Function jobs, reserved Sessions, error mitigation, and organization-level usage and cost reporting. IonQ's quantum networking, security (QKD), sensing, and space-infrastructure businesses extend the trapped-ion core into a broader quantum systems portfolio.

## Kin Score — 58.7 / 100 (strong)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 58.7).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 65.2 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 36.8 |
| Developer Ergonomics | 71.4 |
| Commercial Clarity | 73.7 |
| Access Clarity | 73.7 |

## Agent readiness — 37.5 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | documented |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | documented |
| OpenAPI Examples | partial |
| 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 |

## Access

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

## APIs (7)

- **IonQ Quantum Cloud API (v0.3 Legacy)** — The previous-generation IonQ Quantum Cloud REST API (v0.3) for submitting and managing jobs, characterizations, backends, and reports. Superseded by v0.4 which adds Sessions, se...
- **IonQ backends API** — The backends API from IonQ — 2 operation(s) for backends.
- **IonQ characterizations API** — The characterizations API from IonQ — 2 operation(s) for characterizations.
- **IonQ Jobs API** — The Jobs API from IonQ — 11 operation(s) for jobs.
- **IonQ Sessions API** — The Sessions API from IonQ — 4 operation(s) for sessions.
- **IonQ usage API** — The usage API from IonQ — 1 operation(s) for usage.
- **IonQ whoami API** — The whoami API from IonQ — 1 operation(s) for whoami.

## Agentic access (1)

- **Ionq Agentic Access** — 25 operations · 7 acting

## Security (2)

- **Ionq Authentication** — apiKey · 1 scheme
- **Ionq Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Ionq Plans Pricing**

## Tags

Quantum Computing, Trapped Ion, QPU, ARIA, Forte, Tempo, Quantum Cloud, Cloud, Hardware, Public Company

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