--- title: "Introduction" slug: "introduction-3" updated: 2026-08-13T17:20:29Z published: 2026-08-13T17:20:29Z canonical: "guide.youraspire.com/introduction-3" --- > ## Documentation Index > Fetch the complete documentation index at: https://guide.youraspire.com/llms.txt > Use this file to discover all available pages before exploring further. # Introduction **Aspire.ExternalApi**1.0 ENVIRONMENT: Sandbox [Swagger Documentation](https://cloudsandbox-api.youraspire.com/swagger/index.html) | **Servers** | | --- | | *sandbox* [https://cloudsandbox-api.youraspire.com](https://cloudsandbox-api.youraspire.com) |