# Mintlify > Mintlify is a platform for building and hosting documentation websites. It provides a set of tools and services for maintaining documentation and making it accessible to AI agents. ## Docs - [Build fails with "Failed to fetch OpenAPI file for anchor or tab"](https://tomee-mintlify-7ff29ad0.mintlify.site/help-center/openapi-url-fetch-fails-during-build.md): Diagnose why a Mintlify build cannot download a hosted OpenAPI document, including private hosts, authenticated URLs, TLS and DNS problems, and CI race conditions. ## OpenAPI Specs - [static-export-openapi](https://tomee-mintlify-7ff29ad0.mintlify.site/static-export-openapi.json) - [openapi](https://tomee-mintlify-7ff29ad0.mintlify.site/openapi.json) - [index-openapi](https://tomee-mintlify-7ff29ad0.mintlify.site/index-openapi.json) - [discovery-openapi](https://tomee-mintlify-7ff29ad0.mintlify.site/discovery-openapi.json) - [analytics.openapi](https://tomee-mintlify-7ff29ad0.mintlify.site/analytics.openapi.json) - [admin-openapi](https://tomee-mintlify-7ff29ad0.mintlify.site/admin-openapi.json) ## AsyncAPI Specs - [asyncapi](https://tomee-mintlify-7ff29ad0.mintlify.site/asyncapi.yaml) ## Optional - [Learn](https://learn.mintlify.com/) - [Apprendre](https://learn.mintlify.com/) - [Aprender](https://learn.mintlify.com/) - [学习](https://learn.mintlify.com/)