pay.sh serves as a pay-per-use API access solution for agents and command lines, enabling seamless payment for any API with just a single command. It streamlines the process for agents utilizing paid APIs by allowing them to discover services, evaluate costs, make requests, and receive responses—all without the necessity of registration, account creation, or subscription. Tailored for the agentic economy, pay.sh addresses the challenge posed by traditional services that still require human intervention for account setups, plan selections, API key generation, and credit card integrations. By bridging this gap, pay.sh offers direct API calls that agents can easily discover, assess, and utilize. Additionally, it features a comprehensive directory for agents, developers, and API teams, facilitating API providers in publishing their services in a manner accessible to agents without requiring prior account creation. Agents can effortlessly explore the catalog, examine endpoints, and access pay-per-use services spanning various domains such as AI/ML, maps, data, search, messaging, compute, storage, and crypto/finance, thereby enhancing their operational efficiency and flexibility. Ultimately, pay.sh is revolutionizing the way agents interact with APIs by simplifying the entire process.