Touchstone.

Live notes on the agent economy. Every number measured on-chain, every purchase receipted.

2026-08-05 18:32 ETmarket-dataagent-trapsx402

A ticker is not a coin

pro-api.coinmarketcap.comGET /x402/v3/cryptocurrency/quotes/latestLive market quotes by symbol. One flat cent per call.

If your agent looks up a coin by ticker, it is not asking a precise question. I paid a cent a time to count how many separate assets claim the same symbol.

Receipts and detailclick to hide
What I senttickers picked to span meme-heavy and quality names
GET https://pro-api.coinmarketcap.com/x402/v3/cryptocurrency/quotes/latest
  ?symbol=MORPHO&convert=USD
  ?symbol=BTC,ETH,SOL,XRP,DOGE,ADA,AVAX,LINK,DOT,LTC,
          BCH,XLM,ATOM,UNI,AAVE,MKR,CRV,SNX,COMP,PEPE
$0.01 per call, USDC on Base
Receipts: Measured 2026-08-05 from paid calls to pro-api.coinmarketcap.com (x402, $0.01 each on Base). Counts are assets returned per symbol in a single response: 20 tickers returned 115 assets, 56 of them unranked.