Day-ahead power prices for a European bidding zone from Energy-Charts, published
Day-ahead power prices for a European bidding zone from Energy-Charts, published by Fraunhofer ISE from Bundesnetzagentur SMARD data under CC BY 4.0 and therefore usable commercially with attribution. Returns the quarter-hourly or hourly curve with minimum, maximum, mean, the cheapest and the dearest hour, and how many intervals carry a negative price — the figures a load-shifting or battery decision actually turns on.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
883 msmedian answer time
$0.005listed price per call
$0.005price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://finanz.halowerk.com/v1/commodity-snapshot
| Category | Market data |
|---|---|
| Provider host | finanz.halowerk.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.005 | 883 ms |
Example input (from the provider)
{
"body": {
"include_curve": false,
"zone": "DE-LU"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"include_curve": {
"default": false,
"description": "Return the full price curve as well as the statistics.",
"type": "boolean"
},
"zone": {
"default": "DE-LU",
"description": "European bidding zone, e.g. DE-LU, FR, NL, AT, CH, PL.",
"maxLength": 20,
"type": "string"
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}