CALL-E: Your Code Is Calling Online Turn your code into an AI agent that makes real phone calls. $10,000 in prizes Winners TBD 3208 participants
The WebMCP Challenge Online 10 days for exploring what’s possible with WebMCP $35,000 in prizes Winners announced 7057 participants
DevNetwork [API + Cloud + AI] Hackathon 2026 Santa Clara, CA, USA Join the nation's largest challenge-driven API + Cloud + AI hackathon @ API World 2026! $39,500 in prizes Aug 17 – Sep 3, 2026 1377 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46685 participants
Dev Season of Code Online Build. Learn. Ship. Scale. Non-monetary prizes Winners announced 1003 participants
Gemini Live Agent Challenge Online Redefining Interaction: From Static Chatbots to Immersive Experiences $80,000 in prizes Winners announced 11827 participants