Crypto Fear & Greed index: current value and classification plus 7-day history. Always-on, self-healing, verified onchain settlement. Source: Alternative.me.

Crypto Fear & Greed index (current + 7-day history) via the verified-quality meta-router: in-house first, outcome-logged, never charged on failure.

POST {url} of any x402 listing -> its machine-readable I/O schema (from the advertised bazaar extension or our paid-response archive), input/output examples, price, and probe-measured delivery grade. Saves a coding agent a risky test purchase against an endpoint that may not deliver. Never charged on failure.