the402 endpoint detail

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data.greeneris.io eu power-price

https://data.greeneris.io/v1/eu/power-price

payable

Wholesale day-ahead electricity prices in EUR/MWh per European bidding zone, from the Energy-Charts API (Fraunhofer ISE; data CC BY 4.0 from Bundesnetzagentur/SMARD). Query: ?bzn=DE-LU|FR|NL|ES|IT-NORTH|SE4... (44 zones), optional ISO window &start=2026-07-12&end=2026-07-13. Returns timestamped price points (15-min or hourly slots, max 288). 1h cache.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.005
Network
base
Pay to
0x6ab8efe305cce67daa48c97bde29c04402822dff
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
83 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:10:42.888Z (4d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fdata.greeneris.io%2Fv1%2Feu%2Fpower-price"