LotusHacks is the largest 36-hour hackathon in Vietnam. We’re bringing together 800+ builders, creators, and hackers to Ho Chi Minh City to build bold ideas. Over one weekend, collaborate, learn from top mentors, and connect with engineers and founders from leading tech companies.
Whether you’re a seasoned developer or just curious about tech, LotusHacks x HackHarvard is your launchpad. We handle everything — you focus on building. Join us in Vietnam and build what’s next.
We'll be offering hands-on workshops, 1-on-1 mentorship from industry pros, and career networking with top tech companies throughout the duration of the hackathon at VNG campus.
Requirements
Dates
All projects must be submitted on DevPost BEFORE 9:00AM on Sunday March 22, 2026.
Tracks and Prizes
MAKE SURE your team selects your track (only ONE per team) and any challenges (as many as you'd like) on DevPost when you submit your project, otherwise you will NOT be considered for track and sponsor prizes.
Project and Submission Requirements
- Only one person per team may submit the team's project on Devpost, that person must add all other teammate(s) to the Devpost submission. Please make sure all the emails you use for your Devpost accounts are the SAME as the email address you signed up with on Luma. We will be cross-checking emails across Devpost and Luma to make sure every person submitting is registered.
- You must submit a link to a public GitHub repo that was created during the dates of March 20-22, 2026.
- You must live demo your project in our judging space. Uploading an additional link to a video demoing your project under 3 minutes is optional, but recommended.
- You must select the appropriate tracks and prizes your project is competing for.
Prizes
1st Best Overall Hack
50M VND cash, $25,000 OpenAI credits, $10,000 Redis credits, $1,000 JigsawStack credits, $500 Exa credits, 3 months of ElevenLabs Scale Tier (+ swag), and a brand-new Apple Mac Mini (M4) sponsored by Phong Vu!
2nd Best Overall Hack
35M VND cash, $15,000 OpenAI credits, and $500 JigsawStack credits.
3rd Best Overall Hack
20M VND cash and $5,000 OpenAI credits.
Enterprise Track by TinyFish
This track focuses on solutions for large-scale business challenges. Teams can qualify for this track by building tools using TinyFish API to transform how businesses operate — from supply chain optimization and workplace automation to AI-powered analytics and B2B platforms.
Social & Mobility Track by Tasco
This track focuses on technology for social good and community impact. Teams can qualify for this track by tackling pressing social challenges — healthcare accessibility, environmental sustainability, civic engagement, or any solution that makes a meaningful difference.
Technology & Consumer Track by AWS
This track focuses on applications designed for everyday users. Teams can qualify for this track by designing products people love to use. For example, social platforms, productivity tools, entertainment apps, or anything that delights and serves real users.
EdTech Track by ETEST
This track focuses on innovations in education and learning. Teams can qualify for this track by building projects that reimagine how people learn and teach. AI tutors, interactive platforms, accessibility tools, or anything that makes education more engaging for everyone.
Best Project Built with ElevenLabs
Each team member receives 6 months of our Scale tier ($330/month) and exclusive ElevenLabs merch!
OpenAI: Best use of Codex
Each member of each team gets one year ChatGPT pro (valued at 200 USD per month per person
Most creative application of Trae
500USD cash prize for the 1st place winning team, 300USD for the 2nd place winning team, and 200USD for the 3rd place winning team
Fal.AI: Best use of FAL
1000USD in credits for the winning team
HRG: Best IndieHacker
Winning team will receive a cash prize and they will get the opportunity to visit HRD Da Nang during their next batch
Agora: Best use of Agora
1st place team will receive 100,000 Convo AI minutes (valued at $990), 2nd place team will receive 50,000 Convo AI minutes (valued at $495), and 3rd place team will receive 30,000 Convo AI minutes (valued at $297). All winning teams will also get exclusive Agora shirts!
OpenAI: Best use of Codex
Top 5 winning teams for this prize will receive 1 year of ChatGPT pro for each member
Exa: Best use of Exa
The winning team will receive 500USD in Exa Credit
Interfaze: Best use of Interfaze
1st place winning team will receive 1000USD in credits and 2nd place winning team will receive 500USD in credits
BrightData: Best use of BrightData
1st place will receive 1000USD worth of credits, 2nd place will receive 750USD worth of credits, and 3rd place will receive 500USD worth of credits.
OpenRouter: Best use of OpenRouter
1st place will receive 1000USD worth of credits, 2nd place will receive 400USD worth of credits, and 3rd place will receive 100USD worth of credits.
Qwen: Best use of Qwen
1st place will receive 500USD worth of credits, 2nd place will receive 300USD worth of credits, and 3rd place will receive 200USD worth of credits.
Valsea: Best use of Valsea API
Top participants will receive fast-tracked interviews for 9 open remote roles (internships and full-time). View roles at careers.valsea.app
Devpost Achievements
Submitting to this hackathon could earn you:
Judges
Luna Yin
HackHarvard Co-Director
Judging Criteria
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Technical Implementation & Complexity
High scorers in this criteria demonstrate exceptional technical execution. Complex algorithms, multi-system integration, or advanced engineering concepts are well implemented and functional. Projects include a high degree of innovation in build quality. -
Innovation
High scorers in this criteria show truly groundbreaking concepts. These projects demonstrate visionary thinking or an entirely new way of solving the problem and stand out as distinctly original among submissions. -
Functionality & Reliability
High scorers in this criteria have projects that are highly reliable and well-tested. They show smooth, bug-free execution with robust implementation and consistent results, they also demonstrate strong attention to detail. -
Design & UX
High scorers in this criteria have exceptional design and UX. Their projects are visually cohesive, highly intuitive, and enjoyable to use. They demonstrate design thinking and strong attention to user experience. -
Presentation
High scorers in this criteria demonstrate exceptional communication. They display confident, inspiring, and polished delivery that perfectly complements the project. -
Impact & Relevance
High scorers in this criteria demonstrate outstanding impact. Their projects address an important challenge with strong societal or user relevance, demonstrating potential for lasting influence or scalability.
Questions? Email the hackathon manager
Invite others to compete
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