Devpost
Participate in our public hackathons
Devpost for Teams
Access your company's private hackathons
Grow your developer ecosystem and promote your platform
Drive innovation, collaboration, and retention within your organization
By use case
Blog
Insights into hackathon planning and participation
Customer stories
Inspiration from peers and other industry leaders
Planning guides
Best practices for planning online and in-person hackathons
Webinars & events
Upcoming events and on-demand recordings
Help desk
Common questions and support documentation
Sort by:
Paste a client message, get a PayPal invoice. PayDraft's AI agent drafts invoices, chases late payers, and answers "who owes me?". You approve every step.
Decentralert is an AI-assisted emergency response platform that identifies nearby emergency services, coordinates alerts, and provides responders with fast routes to people who need help.
AI agents negotiate within a spending mandate, PayPal holds the funds, and a mediator releases payment only when delivery is verified. Scams get blocked and every decision is logged.
CareLoop: A Hindi-first AI healthcare assistant enabling patients to book, manage, and follow up on appointments through natural phone conversations—even without internet or smartphones.
Expert work, checked twice, paid through PayPal. AI does the heavy lifting, a person judges what good looks like, and the money moves only when the work meets the standard.
Purchase authorization and verified sandbox payments for personal agents. Check buyer intent, recover from unsupported products, and approve the exact purchase.
Turn lecture recordings into AI-powered study kits in minutes.
Small sellers lose PayPal disputes they should win. Dispute Defender pulls the case, scores your evidence, lists the proof you are missing, tracks the deadline and drafts a response you approve.
Carryout: a cashierless shop that runs on ordinary cameras. SAM 3.1 sees who picks up what, a vision model checks the bill at the door, and PayPal charges shoppers as they walk out.
AI agents buy stock for small sellers. PayPal holds the money, an evaluator agent checks the delivery, and only then is the supplier paid. Agent commerce without a crypto wallet.
An AI operations assistant for small PayPal merchants that can move money only inside rules the owner wrote.
"Predict Demand. Balance Power. Prevent Overloads." Built for HackSphere 3.0 at BITS Hyderabad
ProofStack AI transforms complex research questions into structured, evidence-backed decision briefs.
ReleaseReady helps photographers and creative teams prepare client deliveries by matching NAS media files with release documents and flagging missing or conflicting permission evidence for review.
Find the kit that holds a recalled part.
The ticket was closed. The problem wasn't. Orylo verifies what customer support actually fixed.
AI reception that turns business ideas into confirmed requirements, with consent-based PayPal Sandbox checkout and user-requested refunds.
PayPal for in-person handovers: camera evidence becomes the tracking number that in-person sales never have.
Your AI Gift Concierge. Thoughtful gifts, made easy.
Royalties for licensed AI voice clones, paid through PayPal.
Every booking, human- or agent-made, backed by a PayPal deposit hold and an AI copilot that re-plans the owner's day: it proposes, the owner approves, every money action is audited.
A spec-driven multi-agent clinical guideline & medication safety verifier built on the SpecGuard-Crew skeleton to catch LLM clinical hallucinations.
One lean Kiro Crew verification skeleton powering two distinct apps: RepoNecromancer (PBT code security auditor) & MedEvidence-Checker (clinical safety verifier).
Cartling is a shopping desk where an AI agent compares stores, holds your budget and checks out through PayPal in one place, so you stop juggling tabs and carts.
