Tortoise ORM
JSON →Async ORM for Python inspired by Django ORM. Built on asyncio — requires async context. Current version: 1.1.7 (Mar 2026). v1.0 released 2024 — first stable release after years of 0.x. Breaking changes from 0.x: connections.close_all() removed, ConnectionHandler uses per-instance ContextVar storage. FastAPI integration changed from register_tortoise() to RegisterTortoise context manager. Does not work on serverless/Vercel without workarounds.
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Resources
API endpoints
full doc /v1/registry/tortoise-orm
compatibility /v1/registry/tortoise-orm/compatibility