the402 endpoint detail

← All endpoints

data.greeneris.io gb carbon

https://data.greeneris.io/v1/gb/carbon

payable

Carbon intensity of Great Britain's electricity grid from the official NESO Carbon Intensity API (CC BY 4.0), in half-hour periods with a low/moderate/high index. No params -> current national half-hour; ?horizon=fw24h|fw48h adds the forecast; ?region=1..17 (13=London) switches to a DNO region and includes the generation mix per fuel. 30-min upstream cadence, 30-min cache.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.002
Network
base
Pay to
0x6ab8efe305cce67daa48c97bde29c04402822dff
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
82 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:10:43.374Z (2d ago)
Category
search

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