{"sample":true,"note":"Static example of what /hmac returns; not live data and not charged. Call without sample=1 and pay $0.003 with any x402 client for a live result.","tool":"/hmac","price":"$0.003","example":{"algorithm":"sha256","hex":"88aab3ede8d3adf94d26ab90d3bafd4a2083070c3bcce9c014ee04a443847c0b"}}