IonQ logo

IonQ

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.

2 APIs 4 Capabilities 19 Features
Quantum ComputingTrapped IonQPUAriaForteTempoQuantum CloudCloudHardwarePublic Company

IonQ publishes 1 API on the APIs.io network: Quantum Cloud API. Tagged areas include Quantum Computing, Trapped Ion, QPU, Aria, and Forte.

The IonQ catalog on APIs.io includes 4 machine-runnable capabilities, 1 JSON-LD context, and 1 Spectral governance ruleset.

IonQ’s developer surface includes developer portal, documentation, signup flow, authentication, getting-started guide, support, engineering blog, and 61 more developer resources.

APIs

IonQ Quantum Cloud API

REST API for submitting quantum circuits, managing jobs and sessions, inspecting backends and characterizations, and tracking cost and usage on the IonQ Quantum Cloud. Backends ...

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 Superseded by v0.4 which adds Sessions, se...

Capabilities

Features

Trapped-ion QPUs with 99.99% world-record two-qubit gate fidelity
Cloud access to qpu.aria-1, qpu.aria-2, qpu.forte-1, qpu.forte-enterprise-1, and Tempo systems
On-premises Forte Enterprise rack-mounted quantum system
Ideal and noisy IonQ simulator (up to 29 qubits) with Aria and Forte noise models
REST API v0.4 with Jobs, Sessions, Backends, Characterizations, Cost, and Usage endpoints
Sessions API (beta) for reserved-block QPU execution with cost, duration, and job-count limits
Per-job cost endpoint plus organization-level usage aggregation in USD
Per-job estimate endpoint for cost projection before submission
Multi-circuit job submissions and Quantum Function jobs (QAOA, Hamiltonian energy)
QIS gateset and native-gate (GPI, GPI2, MS, ZZ) circuit inputs
Error mitigation via symmetric debiasing
Project-scoped API keys with .env workflow and SAML SSO for identity federation
Native integrations with Qiskit, Cirq, PennyLane, qBraid, CUDA-Q, TensorFlow Quantum
Partner cloud access via AWS Braket, Microsoft Azure Quantum, and Google Cloud Marketplace
ionq-core Python client generated from the OpenAPI spec under Apache 2.0
Hosted hybrid service for classical/quantum loop execution
Q-CTRL Fire Opal integration for QAOA performance enhancement
Forte Enterprise on-premises deployment option
Quantum networking, QKD, sensing, and space-based earth-observation product lines (Florida LambdaRail statewide quantum-safe network)

Semantic Vocabularies

Ionq Context

29 classes · 2 properties

JSON-LD

API Governance Rules

IonQ API Rules

6 rules · 2 errors 4 warnings

SPECTRAL

Resources

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Portal
Portal
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Documentation
Documentation
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Documentation
Documentation
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Documentation
Documentation
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Portal
Portal
📝
SignUp
SignUp
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Documentation
Documentation
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Glossary
Glossary
🔑
Authentication
Authentication
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Authentication
Authentication
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Authentication
Authentication
🚀
GettingStarted
GettingStarted
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GettingStarted
GettingStarted
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Documentation
Documentation
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Documentation
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Documentation
Documentation
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Documentation
Documentation
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Documentation
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Documentation
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Documentation
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Documentation
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Documentation
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Documentation
Documentation
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Documentation
Documentation
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Documentation
Documentation
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Documentation
Documentation
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Versioning
Versioning
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Errors
Errors
🟢
StatusPage
StatusPage
💬
Support
Support
💬
Support
Support
🔗
Contact
Contact
📰
Blog
Blog
📰
Blog
Blog
🔗
Documentation
Documentation
🌐
Portal
Portal
🔗
Documentation
Documentation
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Documentation
Documentation
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Documentation
Documentation
📜
TermsOfService
TermsOfService
📜
PrivacyPolicy
PrivacyPolicy
🔗
Documentation
Documentation
👥
GitHubOrganization
GitHubOrganization
📦
SDK
SDK
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SDK
SDK
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SDK
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🔧
Tool
Tool
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Tool
Tool
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Tool
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Tool
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💻
CodeExamples
CodeExamples
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CodeExamples
CodeExamples
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SDK
SDK
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SDK
SDK
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SDK
SDK
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SDK
SDK
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SDK
SDK
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Integration
Integration
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Integration
Integration
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Integration
Integration
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LinkedIn
LinkedIn
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Twitter
Twitter
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YouTube
YouTube
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Plans
Plans
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RateLimits
RateLimits
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FinOps
FinOps

Sources

Raw ↑
aid: ionq
url: https://raw.githubusercontent.com/api-evangelist/ionq/refs/heads/main/apis.yml
apis:
- aid: ionq:ionq-quantum-cloud-api
  name: IonQ Quantum Cloud API
  tags:
  - Quantum Computing
  - Trapped Ion
  - QPU
  - Jobs
  - Sessions
  - Backends
  - Cloud
  humanURL: https://docs.ionq.com/api-reference/v0.4/introduction
  baseURL: https://api.ionq.co/v0.4
  properties:
  - url: https://docs.ionq.com/api-reference/v0.4/introduction
    type: Documentation
  - url: https://docs.ionq.com/guides/direct-api-submission
    name: Direct API Submission
    type: Documentation
  - url: openapi/ionq-quantum-cloud-openapi.yml
    type: OpenAPI
  - url: json-schema/ionq-job-schema.json
    type: JSONSchema
  - url: json-schema/ionq-backend-schema.json
    type: JSONSchema
  - url: json-schema/ionq-session-schema.json
    type: JSONSchema
  - url: json-ld/ionq-context.jsonld
    type: JSONLD
  - type: NaftikoCapability
    url: capabilities/quantum-cloud-jobs.yaml
  - type: NaftikoCapability
    url: capabilities/quantum-cloud-backends.yaml
  - type: NaftikoCapability
    url: capabilities/quantum-cloud-sessions.yaml
  - type: NaftikoCapability
    url: capabilities/quantum-cloud-usage.yaml
  description: REST API for submitting quantum circuits, managing jobs and sessions, inspecting backends and
    characterizations, and tracking cost and usage on the IonQ Quantum Cloud. Backends include the qpu.aria-1,
    qpu.aria-2, qpu.forte-1, qpu.forte-enterprise-1 trapped-ion QPUs and the IonQ noisy/ideal simulator
    (up to 29 qubits). Supports single-circuit, multi-circuit, native-gate, QAOA, and Quantum Function jobs.
    Authentication via Authorization header `apiKey $IONQ_API_KEY`.
- aid: ionq:ionq-quantum-cloud-api-v0-3
  name: IonQ Quantum Cloud API (v0.3 Legacy)
  tags:
  - Quantum Computing
  - Trapped Ion
  - QPU
  - Legacy
  humanURL: https://docs.ionq.com/api-reference/v0.3/introduction
  baseURL: https://api.ionq.co/v0.3
  properties:
  - url: https://docs.ionq.com/api-reference/v0.3/introduction
    type: Documentation
  - url: https://docs.ionq.com/api-reference/v0.3/migrating-from-old-versions
    name: Migrating from v0.2
    type: Documentation
  - url: https://docs.ionq.com/api-reference/v0.4/migration-from-v0.3
    name: Migration from v0.3 to v0.4
    type: Documentation
  description: 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, separated cost/results
    endpoints, and restructured characterizations. v0.3 remains supported for existing integrations.
name: IonQ
tags:
- Quantum Computing
- Trapped Ion
- QPU
- Aria
- Forte
- Tempo
- Quantum Cloud
- Cloud
- Hardware
- Public Company
kind: contract
image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
access: 3rd-Party
common:
- type: Portal
  url: https://ionq.com
- type: Documentation
  url: https://docs.ionq.com
- url: https://docs.ionq.com/api-reference/v0.4/introduction
  name: Quantum Cloud API v0.4
  type: Documentation
- url: https://docs.ionq.com/api-reference/v0.3/introduction
  name: Quantum Cloud API v0.3
  type: Documentation
- url: https://cloud.ionq.com
  name: IonQ Quantum Cloud Console
  type: Portal
- url: https://cloud.ionq.com
  type: SignUp
- url: https://docs.ionq.com/user-manual/introduction
  name: User Manual
  type: Documentation
- url: https://docs.ionq.com/user-manual/glossary
  name: Glossary
  type: Glossary
- url: https://docs.ionq.com/guides/managing-api-keys
  name: Managing API Keys
  type: Authentication
- url: https://docs.ionq.com/guides/connecting-saml-identity-providers
  name: SAML SSO Configuration
  type: Authentication
- url: https://docs.ionq.com/guides/dotenv-project-api-keys
  name: Project API Keys (.env)
  type: Authentication
- url: https://docs.ionq.com/guides/direct-api-submission
  name: Direct API Submission Guide
  type: GettingStarted
- url: https://docs.ionq.com/guides/getting-started-with-native-gates
  name: Getting Started with Native Gates
  type: GettingStarted
- url: https://docs.ionq.com/guides/cloud-usage
  name: Cloud Usage
  type: Documentation
- url: https://docs.ionq.com/guides/error-mitigation-debiasing
  name: Error Mitigation and Debiasing
  type: Documentation
- url: https://docs.ionq.com/guides/qpu-submission-checklist
  name: QPU Submission Checklist
  type: Documentation
- url: https://docs.ionq.com/guides/hosted-hybrid-service
  name: Hosted Hybrid Service
  type: Documentation
- url: https://docs.ionq.com/guides/simulation-with-noise-models
  name: Simulation with Noise Models
  type: Documentation
- url: https://docs.ionq.com/guides/qaoa-solve-with-fire-opal
  name: QAOA with Fire Opal
  type: Documentation
- url: https://docs.ionq.com/user-manual/platform-systems
  name: Platform Systems (Aria, Forte, Tempo, Harmony)
  type: Documentation
- url: https://docs.ionq.com/user-manual/backends
  name: Backends
  type: Documentation
- url: https://docs.ionq.com/user-manual/jobs
  name: Jobs
  type: Documentation
- url: https://docs.ionq.com/user-manual/projects
  name: Projects
  type: Documentation
- url: https://docs.ionq.com/user-manual/organizations
  name: Organizations
  type: Documentation
- url: https://docs.ionq.com/user-manual/accounts
  name: Accounts
  type: Documentation
- url: https://docs.ionq.com/partners/amazon-braket
  name: Amazon Braket Partner Access
  type: Documentation
- url: https://docs.ionq.com/api-reference/v0.4/migration-from-v0.3
  type: Versioning
- url: https://docs.ionq.com/api-reference/v0.3/error-codes
  name: API Error Codes
  type: Errors
- url: https://status.ionq.co
  name: IonQ Quantum Cloud Status
  type: StatusPage
- url: https://support.ionq.com
  name: IonQ Support Center
  type: Support
- url: mailto:[email protected]
  name: Support Email
  type: Support
- url: https://ionq.com/contact
  name: Contact
  type: Contact
- url: https://ionq.com/news
  name: IonQ Newsroom
  type: Blog
- url: https://ionq.com/posts
  name: IonQ Blog & Research Posts
  type: Blog
- url: https://ionq.com/resources
  name: IonQ Resources
  type: Documentation
- url: https://ionq.com/quantum-cloud
  name: IonQ Quantum Cloud
  type: Portal
- url: https://ionq.com/products
  name: IonQ Products
  type: Documentation
- url: https://ionq.com/company
  name: About IonQ
  type: Documentation
- url: https://ionq.com/careers
  name: Careers
  type: Documentation
- url: https://investors.ionq.com
  name: Investor Relations (NYSE IONQ)
  type: Documentation
- url: https://ionq.com/legal/terms-of-service
  name: Terms of Service
  type: TermsOfService
- url: https://ionq.com/legal/privacy-policy
  name: Privacy Policy
  type: PrivacyPolicy
- url: https://ionq.com/legal
  name: Legal
  type: Documentation
- url: https://github.com/ionq
  name: IonQ on GitHub
  type: GitHubOrganization
- url: https://github.com/ionq/ionq-core-python
  name: ionq-core (Python client)
  type: SDK
- url: https://pypi.org/project/ionq-core/
  name: ionq-core on PyPI
  type: SDK
- url: https://github.com/ionq/blqs
  name: blqs (quantum building blocks DSL)
  type: SDK
- url: https://github.com/ionq/pyGSTi
  name: pyGSTi (Gate Set Tomography, IonQ fork)
  type: Tool
- url: https://github.com/ionq/qrmi
  name: qrmi (vendor-agnostic quantum resource layer, Rust)
  type: Tool
- url: https://github.com/ionq/torchquantum-dist
  name: torchquantum-dist (multi-GPU QML simulation)
  type: Tool
- url: https://github.com/ionq/QC-App-Oriented-Benchmarks
  name: QED-C Application-Oriented Benchmarks
  type: Tool
- url: https://github.com/ionq/forte_benchmarking
  name: Forte Benchmarking
  type: CodeExamples
- url: https://github.com/ionq/forte_aq29_data
  name: Forte AQ29 Benchmark Data
  type: CodeExamples
- url: https://docs.ionq.com/sdks/qiskit/index
  name: Qiskit Integration
  type: SDK
- url: https://docs.ionq.com/sdks/cirq/index
  name: Cirq Integration
  type: SDK
- url: https://docs.ionq.com/sdks/pennylane/index
  name: PennyLane Integration
  type: SDK
- url: https://docs.ionq.com/sdks/qbraid/index
  name: qBraid Integration
  type: SDK
- url: https://docs.ionq.com/sdks/cuda-q
  name: NVIDIA CUDA-Q Integration
  type: SDK
- url: https://docs.ionq.com/sdks/tensorflow
  name: TensorFlow Quantum Integration
  type: SDK
- url: https://aws.amazon.com/braket/quantum-computers/ionq/
  name: IonQ on AWS Braket
  type: Integration
- url: https://azure.microsoft.com/products/quantum/
  name: IonQ on Microsoft Azure Quantum
  type: Integration
- url: https://cloud.google.com/blog/products/compute/ionq-quantum-computing-now-available-on-google-cloud
  name: IonQ on Google Cloud Marketplace
  type: Integration
- url: https://www.linkedin.com/company/ionq
  type: LinkedIn
- url: https://x.com/ionq_inc
  type: Twitter
- url: https://www.youtube.com/@ionq_inc
  type: YouTube
- url: plans/ionq-plans-pricing.yml
  type: Plans
- url: rate-limits/ionq-rate-limits.yml
  type: RateLimits
- url: finops/ionq-finops.yml
  type: FinOps
- type: Features
  data:
  - Trapped-ion QPUs with 99.99% world-record two-qubit gate fidelity
  - Cloud access to qpu.aria-1, qpu.aria-2, qpu.forte-1, qpu.forte-enterprise-1, and Tempo systems
  - On-premises Forte Enterprise rack-mounted quantum system
  - Ideal and noisy IonQ simulator (up to 29 qubits) with Aria and Forte noise models
  - REST API v0.4 with Jobs, Sessions, Backends, Characterizations, Cost, and Usage endpoints
  - Sessions API (beta) for reserved-block QPU execution with cost, duration, and job-count limits
  - Per-job cost endpoint plus organization-level usage aggregation in USD
  - Per-job estimate endpoint for cost projection before submission
  - Multi-circuit job submissions and Quantum Function jobs (QAOA, Hamiltonian energy)
  - QIS gateset and native-gate (GPI, GPI2, MS, ZZ) circuit inputs
  - Error mitigation via symmetric debiasing
  - Project-scoped API keys with .env workflow and SAML SSO for identity federation
  - Native integrations with Qiskit, Cirq, PennyLane, qBraid, CUDA-Q, TensorFlow Quantum
  - Partner cloud access via AWS Braket, Microsoft Azure Quantum, and Google Cloud Marketplace
  - ionq-core Python client generated from the OpenAPI spec under Apache 2.0
  - Hosted hybrid service for classical/quantum loop execution
  - Q-CTRL Fire Opal integration for QAOA performance enhancement
  - Forte Enterprise on-premises deployment option
  - Quantum networking, QKD, sensing, and space-based earth-observation product lines (Florida LambdaRail
    statewide quantum-safe network)
  sources:
  - https://docs.ionq.com/
  - https://docs.ionq.com/api-reference/v0.4/introduction
  - https://docs.ionq.com/llms.txt
  - https://github.com/ionq
  - https://ionq.com/quantum-cloud
  - https://ionq.com/news
  updated: '2026-05-24'
created: '2026-05-24T00:00:00.000Z'
modified: '2026-05-24'
position: Provider
description: 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.
maintainers:
- FN: Kin Lane
  email: [email protected]
  X: apievangelist
  url: https://apievangelist.com
specificationVersion: '0.16'