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Pay is a command-line tool published by pay-skill that enables AI agents to make payments using the USDC stablecoin on the Base blockchain network. Designed specifically for agentic workflows, the software falls into the developer tooling and payments category, serving as a financial transaction interface that AI agents can invoke directly from the command line rather than relying on traditional human-operated payment interfaces. The tool supports three primary payment mechanisms: direct payments, which allow an agent to send a straightforward one-time USDC transfer; metered tabs, which accommodate ongoing or usage-based billing arrangements where charges accumulate over time; and integration with the x402 protocol, an emerging standard for embedding payment requirements into web requests, allowing agents to programmatically pay for access to resources that require it. These capabilities make pay suitable for use cases such as autonomous agents purchasing API access, settling per-request fees with web services, managing recurring service costs through tab-style accounting, and transacting with other agents or services that accept USDC on Base. By operating at the command-line level, the tool can be incorporated into agent skill frameworks, automation scripts, and other programmatic environments where a payment primitive is needed. The current version of pay is 0.2.14, and the software catalog records two published versions in total, indicating that the project remains in an early, pre-1.0 stage of development with at least one prior release preceding the current build. Users integrating pay into an agent system should reference version 0.2.14 as the latest available release. Overall, pay addresses the growing need for machine-native payment infrastructure, giving AI agents a practical method to hold spending logic, execute stablecoin transfers, and interact with payment-gated services on the Base network through a simple, scriptable interface.
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