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C API Summit

  • When: Monday, July 8th.
  • Where: Prague Congress Centre (PCC), Room Club D
  • Who can join: Anyone with a valid in-person EuroPython 2024 ticket - Conference, Tutorial or Combined (see ticket types for details).

The C API has many different stakeholders, including but not limited to CPython core developers, maintainers of Python extensions, code generators (Cython, pybind11, etc) and alternative API design (HPy).

The main goal of this summit is to make sure that people from all these different projects can meet and discuss about the state of the C API, existing challenges and ongoing work.


  • 9:00: Meet and greet - unconference-y post-it based organisation.
  • 9:30: Presentations (30mins each)
  • 11:00: Coffee
  • 11:15: Presentations
  • 12:45: Lunch at the PCC (included)
  • 13:45: Unconference-y activities (discussions, hacks, ad hoc tutorials etc…)
  • 16:00: Round-up / plenary session for feedback and organising next steps.
  • 18:30: Dinner


You need to have a valid EuroPython in-person ticket (Conference, Tutorial or Combined) to participate. Purchase a EuroPython ticket here, if you haven’t already.

The event is limited to 40 participants. If there is a topic you would like to present, please indicate it in the form and fill it in early. Time slots are of 30min at most (10 min of presentation + 20 min for questions/discussion).

To be part of the C API summit, register your interest now!

We will contact you with more details closer to the event.