aid: singularity-energy
url: https://raw.githubusercontent.com/api-evangelist/singularity-energy/refs/heads/main/apis.yml
name: Singularity
kind: company
description: Singularity Energy is a Boston-based grid decarbonization data company. Its
  Grid Carbon API delivers hourly, location-specific electricity emissions intelligence
  - generated, consumed, and marginal carbon intensity, fuel mix, generation events,
  interchange, and 48-hour emissions forecasts across ISOs and balancing authorities
  in the U.S. and Canada.
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- Energy
- Carbon Emissions
- Grid
- Sustainability
- Carbon Intensity
created: '2026-06-21'
modified: '2026-06-21'
specificationVersion: '0.19'
apis:
- aid: singularity-energy:carbon-intensity-api
  name: Singularity Carbon Intensity API
  tags:
  - Carbon Intensity
  - Emissions
  - Marginal Emissions
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.singularity.energy/docs/singularity-api/grid-carbon-api
  baseURL: https://api.singularity.energy
  properties:
  - url: https://docs.singularity.energy/docs/singularity-api/grid-carbon-api
    type: Documentation
  - url: https://docs.singularity.energy/docs/singularity-api/key-concepts
    type: APIReference
  - url: openapi/singularity-energy-openapi.yml
    type: OpenAPI
  - url: collections/singularity-energy.postman_collection.json
    type: PostmanCollection
  - url: collections/singularity-energy.opencollection.json
    type: OpenCollection
  description: Generated, consumed, and marginal carbon-intensity (lbs/MWh) emission
    factors for regions and balancing authorities, plus on-demand intensity
    calculation from a supplied fuel mix and a catalog of emission factor sources.
- aid: singularity-energy:forecasts-api
  name: Singularity Forecasts API
  tags:
  - Forecasts
  - Emissions
  - Nowcasting
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.singularity.energy/docs/singularity-api/grid-carbon-api
  baseURL: https://api.singularity.energy
  properties:
  - url: https://docs.singularity.energy/docs/singularity-api/grid-carbon-api
    type: Documentation
  - url: openapi/singularity-energy-openapi.yml
    type: OpenAPI
  - url: collections/singularity-energy.postman_collection.json
    type: PostmanCollection
  - url: collections/singularity-energy.opencollection.json
    type: OpenCollection
  description: Generated-emissions nowcasting and hourly forecasting up to 48 hours
    ahead, surfaced as forecast event types through the region events search and
    latest-events endpoints.
- aid: singularity-energy:generation-event-data-api
  name: Singularity Generation & Event Data API
  tags:
  - Generation
  - Fuel Mix
  - Events
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.singularity.energy/docs/singularity-api/key-concepts
  baseURL: https://api.singularity.energy
  properties:
  - url: https://docs.singularity.energy/docs/singularity-api/key-concepts
    type: Documentation
  - url: openapi/singularity-energy-openapi.yml
    type: OpenAPI
  - url: collections/singularity-energy.postman_collection.json
    type: PostmanCollection
  - url: collections/singularity-energy.opencollection.json
    type: OpenCollection
  description: Search, look up, and stream region events - generated/marginal/consumed
    fuel mix, carbon intensity, and interchange - by region or postal code, by time
    window, by deduplication key, or in bulk, with latest-event retrieval.
- aid: singularity-energy:regions-api
  name: Singularity Regions API
  tags:
  - Regions
  - Balancing Authorities
  - Interchange
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.singularity.energy/docs/singularity-api/region-flow
  baseURL: https://api.singularity.energy
  properties:
  - url: https://docs.singularity.energy/docs/singularity-api/region-flow
    type: Documentation
  - url: openapi/singularity-energy-openapi.yml
    type: OpenAPI
  - url: collections/singularity-energy.postman_collection.json
    type: PostmanCollection
  - url: collections/singularity-energy.opencollection.json
    type: OpenCollection
  description: Region and balancing-authority coverage, postal-code resolution, and
    inter-region interchange (power flow) events including a latest-interchange
    endpoint, spanning 76 ISOs and balancing authorities across the U.S. and Canada.
common:
- type: GitHubOrganization
  url: https://github.com/singularity-energy
- type: LinkedIn
  url: https://www.linkedin.com/company/singularity-energy
- type: Website
  url: https://www.singularity.energy
- type: Documentation
  url: https://docs.singularity.energy
- type: Plans
  url: plans/singularity-energy-plans-pricing.yml
- type: RateLimits
  url: rate-limits/singularity-energy-rate-limits.yml
- type: FinOps
  url: finops/singularity-energy-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com