1 API · Base network · x402 protocol
CortexCloud is an agent-native pay-per-call on-chain data API. Categories include token balances, token prices, NFT ownership, transaction history, wallet intelligence, token risk, whale alerts, gas oracle, block reads and cross-chain comparison. Evidence-backed JSON settled in USDC on Base via x402.
$0.004–$0.004api.cortexcloud.orgapi.cortexcloud.org — On-Chain Data & Intelligence API has 1 live API on PayAPI Market with 0 endpoints in total, in Data: api.cortexcloud.org — On-Chain Data & Intelligence API.
1 of 1 have at least one settlement-verified route: PayAPI Market paid for a real call from its own wallet, received real data back and recorded the USDC payment on-chain. Each listing page shows which routes were paid and links the receipt.
Per request, in USDC, over the x402 protocol. An agent calls the endpoint, receives HTTP 402 with the price and wallet, pays and retries. There is no API key, account or subscription, and api.cortexcloud.org — On-Chain Data & Intelligence API keeps 100% of each payment.