Gumroad API integration with managed OAuth. Access products, sales, subscribers, licenses, and webhooks for your digital storefront. Use this skill when users want to manage their Gumroad products, verify licenses, view sales data, or set up webhook notifications. For other third party apps, use the api-gateway skill (https://clawhub.ai/byungkyu/api-gateway). Requires network access and valid Maton API key. Calls run through the `maton` CLI with OAuth login; default to read and list calls, and confirm every write or new connection with the user.
CLI-first rewrite with the Maton SDK examples; clarify that the CLI and SDKs keep separate credential stores, and reword webhook egress warnings