402rates.com
402rates.com
Evidence-backed tokenized treasury yields and measured cross-chain USDC settlement costs. Measured figures include observations, sources and issuer comparisons where available.
apexrunner.ai
60+ live crypto trading signals for AI agents (market regime, cross-exchange arbitrage, liquidation risk, execution intelligence), paid per call in USDC on Base with no API key.
https://apexrunner.ai/signals/regime-transition-probabilityUnpaid GET /signals/regime-transition-probability returned HTTP 402 on 2026-10-21 with x402 payment terms: x402 v2, exact, 0.007 USDC on Base. Listed in the Coinbase CDP x402 Bazaar discovery API (checked by payTo on 2026-10-21). Price range from the per-route amounts listed there, cross-checked with the live probe. Homepage fetched (HTTP 200). Last checked 2026-10-21.
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402rates.com
Evidence-backed tokenized treasury yields and measured cross-chain USDC settlement costs. Measured figures include observations, sources and issuer comparisons where available.
botsmith.dev
botsmith makes small, well-made software: market data that AI agents pay for per call (x402), a terminal client for Polymarket, a free place to try AI models, and a skill manager for coding agents.
x402financialdata.com
Pay-per-call stock, macro, on-chain, and crypto data over the x402 protocol. USDC on Base or Solana, no API keys, no subscriptions.