Odaily Planet Daily reports that Nansen has introduced a pay-per-call model, leveraging the x402 protocol and PayAI infrastructure to optimize on-chain data access. This model enables users to instantly query wallet data, fund flows, and "smart money" signals via micropayments in USDC, without requiring subscriptions, approvals, or API keys. The system implements an automated "request-bill-pay-return" workflow based on the HTTP 402 mechanism, allowing AI agents to autonomously initiate calls and process payments.
Nansen stated that the new model now covers its entire API ecosystem, with basic data query pricing at approximately $0.01 per request and advanced signals at $0.05, and supports settlement on the Base and Solana networks. (Crowdfundinsider)


