Arcadia — Signal Tariffs API

Arcadia's Signal Tariffs API (formerly Genability) provides comprehensive US utility tariff data with detailed rate structures, variable rate lookups, and bill calculation capabilities.

Overview

• Provider: Arcadia
• Product: Signal Tariffs API
• Energy Types: Electricity
• Coverage: ~3,000+ US utilities, 100,000+ tariffs
• Features: Variable rate lookups, bill calculations, historical versions
• Authentication: API key required

Data Format

The Signal API uses a custom JSON objects to represent tariffs, with a complex hierarchical structure.

• Short guide to the Tariff JSON
• Official API docs on Tariff JSON

Key Endpoints

Endpoint	Purpose
GET /tariffs	Search and retrieve tariffs
GET /tariffs/{tariffId}	Get a specific tariff with rates
GET /tariffs/{masterTariffId}/history	Historical versions
GET /properties/{key}/lookups	Variable rate values
POST /calculate	Bill calculations

Pricing

Arcadia charges based on API usage. See their pricing page for current rates.