{"provider":{"host":"spark-api-preflight.replit.app","name":"Spark Invocation Assurance","score":0,"live":false,"checkedAt":"2026-11-02T02:33:49.044Z","uptime72h":0,"lastCheck":{"httpStatus":404,"ms":162,"note":"HTTP 404 instead of 402"},"endpoints":1,"networks":["eip155:8453"],"cheapestUsd":"0.001","income7dUsd":"0.00","payers7d":0,"transfers7d":0,"payoutAddressShared":false,"claimed":false,"page":"https://logicnodes.io/observatory/p/spark-api-preflight.replit.app"},"endpoints":[{"url":"https://spark-api-preflight.replit.app/api/validate","method":"POST","priceMicroUsd":1000,"networks":["eip155:8453"],"description":"Validate an intended paid API request against its declared contract before spending. Returns VALID, INVALID, or UNKNOWN with machine-readable reasons. Target URL is never called."}]}