VoltPath API - Voltpath API

VoltPath gives you programmatic access to European electricity market data: cross-border power flows, day-ahead prices, and the derived metrics built on top of them. Every endpoint is an HTTP GET that returns JSON, ready to drop into a dashboard, analytics pipeline, or trading model.

What you can query

Prices — day-ahead electricity prices per bidding zone
Flows — cross-border power flows, classified by type (convergence, congestion, counter-intuitive, outage)
CI share — how often flows run counter to price signals, by zone or border
Import / export — net energy moved in and out of each zone

See Bidding Zones for zone codes and Flow Types for how classification works.

Quickstart

curl 'https://api.voltpath.ai/api/v1/prices?zone=DE&datetime_from=now-7d&datetime_to=now&resolution=1D'

Every response shares one envelope shape:

{
  "meta": { "resolution": "1D", "resolved_datetime_from": "...", "resolved_datetime_to": "..." },
  "data": [{ "datetime": "2026-08-19T00:00:00", "bidding_zone": "DE", "price_mwh": 82.45 }]
}

See Response Format for the full spec, or the API Reference for every endpoint.

Authentication

Send your API key in the x-api-key header on every request. Generate one at voltpath.ai/settings.