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GET
cURL
Retrieve detailed information about a specific backend including its current status, qubit count, queue times, and performance characteristics. Use this to check if a backend is available before submitting jobs or to get technical specifications. Learn more about backend specifications.

Path Parameters

backend
enum<string>
required

A backend where jobs can run on.

Available options:
qpu.aria-1,
qpu.aria-2,
qpu.forte-1,
qpu.forte-enterprise-1,
qpu.forte-enterprise-2,
qpu.forte-enterprise-3

Response

200 - application/json

Successfully retrieved backend.

A backend that you can target your program to run on.

average_queue_time
number<unix-timestamp>
required

Current wait time on the queue for execution.

Example:

1181215

backend
string
required

Specifies target hardware and generation where applies: simulator, qpu.aria-1, qpu.aria-2, qpu.forte-1, qpu.forte-enterprise-1, qpu.forte-enterprise-2, qpu.forte-enterprise-3

Example:

"qpu.aria-1"

last_updated
string
required

Last date time the backend status was updated.

Example:

"2025-06-16T00:00:00Z"

qubits
integer
required

The number of qubits available.

Required range: x >= 0
Example:

25

status
string
required

Current status of the backend: available, unavailable, retired.

characterization_id
string

Current characterization ID for this backend

Example:

"617a1f8b-59d4-435d-aa33-695433d7155e"

degraded
boolean

Flag to tell if the backend is degraded or not.

kw
number<double>

The amount of energy used by the backend in kilowatt-hours.

Example:

4902.81

location
string

The location of the backend.

Example:

"College Park, MD, USA"

supported_error_mitigations
string[]

Error mitigation options supported by the backend.

Example:
supported_gates
string[]

Gates supported by the backend.

Example:
supported_native_gates
string[]

Native gates supported by the backend.

Example: