Skip to content

Help & Support

For bug reports and feature requests:

GitHub Issues

When reporting a bug, include:

  • Python version (python --version)
  • JustAPI version (python -c "import justapi; print(justapi.__version__)")
  • Operating system
  • Minimal code to reproduce the issue
  • Full error traceback

For how-to questions, tag your question with justapi:

Stack Overflow: justapi

For general questions, ideas, and community conversation:

GitHub Discussions

Do not open a public GitHub issue for security vulnerabilities. Instead, follow the process in the Security Policy.

ImportError: No module named ‘_justapi’

Section titled “ImportError: No module named ‘_justapi’”

The Rust extension wasn’t built. Run maturin develop --release.

Ensure Rust is installed (rustup --version). Or use a pre-built wheel:

Terminal window
pip install --only-binary=justapi justapi

Handler returns validation error for valid data

Section titled “Handler returns validation error for valid data”

Check that your Pydantic model fields match the request body exactly. All fields without defaults are required.

Terminal window
# Kill process on port 8000
lsof -ti:8000 | xargs kill -9

Or use a different port:

app.run("127.0.0.1", 9000)