# TenkeyBridge > QuickBooks Online–compatible REST API for QuickBooks Desktop & Enterprise. Point an existing QBO integration at a Desktop company file: same endpoints, same OAuth2, same query language. ## Docs - Quickstart: https://docs.tenkeybridge.com/guide/quickstart.html - AI quickstart: https://docs.tenkeybridge.com/guide/ai-quickstart.html - Compatibility contract: https://docs.tenkeybridge.com/compatibility/ - Docs llms.txt: https://docs.tenkeybridge.com/llms.txt ## API - Base URL: https://api.tenkeybridge.com - Pricing: https://tenkeybridge.com/#pricing