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energybilltoolkit.co.uk carbon cleanest-window
https://energybilltoolkit.co.uk/decision-tools/api/carbon/cleanest-window
answers 402
Pay-per-use EBT screening endpoint
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.01
- Network
- base
- Pay to
- 0xe602344ef3944497a72981e36066c62e7a99f599
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 387 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:21:56.560Z (32d ago)
- Category
- mcp-server
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fenergybilltoolkit.co.uk%2Fdecision-tools%2Fapi%2Fcarbon%2Fcleanest-window"