There's An API For That is a GPT that functions as an advanced API finder. It is tailored to assist software developers, AI enthusiasts, and enterprises in finding suitable APIs for their projects or use cases. This tool is backed by a vast and manually curated knowledge base for thousands of tasks, making it ideal for an extensive variety of use cases. A notable feature of this GPT is its interactive mode, allowing users to have a conversation with the tool to find the most suitable AI tools for their needs. It also prompts users to explore innovative ways to combine APIs to create useful applications, even when the APIs seem unrelated. Apart from recommending APIs, it also facilitates browsing official API documentation, suggesting specific APIs for certain types of data, and providing example API calls. For instance, users can seek help in generating an Open API schema to search for a painting via the Art Institute of Chicago API or retrieve sports data through suggested APIs. The tool is useful not only for API discovery but also for navigating through, understanding, and imagining new possibilities with APIs, aiding in the conceptualization of API-driven projects.