IonQ · Schema

IonQ Backend

An IonQ quantum backend (simulator or trapped-ion QPU) exposed via the Quantum Cloud API.

Quantum ComputingTrapped IonQPUAriaForteTempoQuantum CloudCloudHardwarePublic Company

Properties

Name	Type	Description
backend	string	Backend identifier such as `qpu.aria-1`, `qpu.forte-1`, or `simulator`.
status	string	Current operational state of the backend.
qubits	integer	Number of qubits available on the backend.
average_queue_time	number	Current average wait time in seconds before a submitted job begins running.
last_updated	string	ISO 8601 timestamp of the last status update.
degraded	boolean	True when backend performance is reduced compared to its normal calibration.
characterization_id	string	Identifier of the currently active characterization for the backend.
location	string	Physical location where the backend is hosted.
kw	number	Current power draw of the backend in kilowatts.

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/ionq/refs/heads/main/json-schema/ionq-backend-schema.json",
  "title": "IonQ Backend",
  "description": "An IonQ quantum backend (simulator or trapped-ion QPU) exposed via the Quantum Cloud API.",
  "type": "object",
  "required": ["backend", "status"],
  "properties": {
    "backend": {
      "type": "string",
      "description": "Backend identifier such as `qpu.aria-1`, `qpu.forte-1`, or `simulator`."
    },
    "status": {
      "type": "string",
      "enum": ["available", "unavailable", "retired", "calibrating", "reserved"],
      "description": "Current operational state of the backend."
    },
    "qubits": {
      "type": "integer",
      "minimum": 1,
      "description": "Number of qubits available on the backend."
    },
    "average_queue_time": {
      "type": "number",
      "description": "Current average wait time in seconds before a submitted job begins running."
    },
    "last_updated": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 timestamp of the last status update."
    },
    "degraded": {
      "type": "boolean",
      "description": "True when backend performance is reduced compared to its normal calibration."
    },
    "characterization_id": {
      "type": "string",
      "format": "uuid",
      "description": "Identifier of the currently active characterization for the backend."
    },
    "location": {
      "type": "string",
      "description": "Physical location where the backend is hosted."
    },
    "kw": {
      "type": "number",
      "description": "Current power draw of the backend in kilowatts."
    }
  }
}