# Cleantech Content GB Ofgem reference pilot

Public free trial: five successful calls, shared per public-IP allocation, no daily reset. Up to 200 allocations. Ends 2026-10-07T19:39:00Z. Eligible business customers can register and pay 0.01 USDC per new lookup on Base mainnet (eip155:8453) through x402. Global ceiling: 1,000 paid claims; Minnesota: 100. No subscriptions. Customer requirements: https://cleantech-agent-demand.old-rain-22ad.workers.dev/v1/customers/requirements. REST paid requests require x-customer-token plus payment-signature. MCP uses _meta[customer-token] and _meta[x402/payment]. Read terms and privacy before registration. Preserve the original signed credential and exact query for recovery; never pay again to resolve an uncertain request.

- Docs: https://cleantech-agent-demand.old-rain-22ad.workers.dev/docs/
- Coverage: https://cleantech-agent-demand.old-rain-22ad.workers.dev/v1/meta/coverage
- Freshness: https://cleantech-agent-demand.old-rain-22ad.workers.dev/v1/meta/status
- Trial: POST https://cleantech-agent-demand.old-rain-22ad.workers.dev/v1/keys/free
- Lookup: GET https://cleantech-agent-demand.old-rain-22ad.workers.dev/v1/tariffs/cap?region=GB&fuel=electricity&payment_method=direct_debit&period=YYYY-MM-DD
- MCP: https://cleantech-agent-demand.old-rain-22ad.workers.dev/mcp
- Terms: https://cleantech-agent-demand.old-rain-22ad.workers.dev/licence/
- Privacy: https://cleantech-agent-demand.old-rain-22ad.workers.dev/privacy/

Send Authorization: Bearer <trial token> and Idempotency-Key: <UUID>. Preserve token, UUID and exact dated query for replay. Never treat a reference rate as a household bill ceiling. Source: Ofgem; OGL v3.0.