{"machine":"wei-safe-math","slot":"S104","title":"BigInt token math","how_to_call":"POST https://innernetcorp.com/machines/wei-safe-math 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":{"a":"1000000000000000000","op":"mul","b":"3"},"input_schema":{"type":"object"},"summary":"Exact add, subtract, multiply, divide and percentage on huge integer token amounts (wei, raw units) - no floating point errors ever.","catalog":"/catalog"}