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Elexon System API

Transmission System data.

Elexon System API is one of 32 APIs that Elexon publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include System. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

This API exposes 4 operations across 4 paths, and defines 7 schemas. It is described by OpenAPI 3.0.4, at version 1.0.

Requests are made against a single base URL, https://data.elexon.co.uk/bmrs/api/v1.

4 operations 4 paths 7 schemas 4 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.0.4
API Version
1.0
Base URL
https://data.elexon.co.uk/bmrs/api/v1
Resource Areas
1

Paths & Operations 4

Across 4 paths, the API surfaces 4 operations — 4 GET. Each is listed below with its method, path, parameters, and response codes.

System 4

Transmission System data.

GET
/system/frequency
System frequency (FREQ)
3 params → 200
GET
/system/frequency/stream
System frequency (FREQ) stream
2 params → 200
GET
/system/warnings
System warnings (SYSWARN)
4 params → 200
GET
/system/demand-control-instructions
Demand control instructions (DCI)
3 params → 200

Schemas 7

The contract defines 7 schemas that model the data the API accepts and returns. The most detailed are Insights.Api.Models.Responses.Misc.DemandControlInstructionData (13 properties), Insights.Api.Models.Responses.Misc.SystemWarningsData (3 properties), Insights.Api.Models.Responses.ResponseWithMetadata-1_Insights.Api.Models.Responses.Misc.SystemFrequency (2 properties), Insights.Api.Models.Responses.Misc.SystemFrequency (2 properties). Each schema is shown below with its type and property counts.

Insights.Api.Models.Responses.Misc.SystemWarningsData
object
3 properties
Insights.Api.Models.Responses.ResponseWithMetadata-1_Insights.Api.Models.Responses.Misc.SystemWarningsData
object
2 properties
Insights.Api.Models.Metadata.ApiResponseSourceMetadata
object
1 property
Insights.Api.Models.Responses.ResponseWithMetadata-1_Insights.Api.Models.Responses.Misc.DemandControlInstructionData
object
2 properties
Insights.Api.Models.Responses.Misc.DemandControlInstructionData
object
13 properties
Insights.Api.Models.Responses.Misc.SystemFrequency
object
2 properties
Insights.Api.Models.Responses.ResponseWithMetadata-1_Insights.Api.Models.Responses.Misc.SystemFrequency
object
2 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

elexon-system-api-openapi.yml Raw ↑

Other APIs Elexon publishes across the network.

Elexon Balancing Mechanism Dynamic API
Elexon Balancing Mechanism Physical API
Elexon Balancing Services Adjustment - Disaggregated API
Elexon Balancing Services Adjustment - Net API
Elexon Bid-Offer Acceptances API
Elexon Bid-Offer API
Elexon BMRS Datasets API
Elexon Credit Default Notice API
Elexon Data Status API
Elexon Demand API
Elexon Demand Forecast API
Elexon Generation API