{"machine":"block-time-estimate","slot":"S135","title":"Block time estimator","how_to_call":"POST https://innernetcorp.com/machines/block-time-estimate with Content-Type: application/json","price_usd":"$0.003","currencies":["USDC","EURC"],"payment":"x402: send the POST without payment to receive a 402 with signed requirements; pay any option and retry.","input_example":{"chain_id":8453,"from_block":22000000,"to_block":22043200},"input_schema":{"type":"object"},"summary":"Estimate the wall-clock time between two block numbers, or which block lands at a future time, per chain (Ethereum 12s, Base 2s, Arbitrum 0.25s...).","catalog":"/catalog"}