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:
A review-first PayPal dispute workspace: gather evidence, get a cited AI assessment, hold when evidence is missing, and keep human approval separate from execution.
Talk, agree, pay with PayPal and deliver in one chat, where every step is on the record. If you did nothing wrong, the record proves it.
Autonomous multi-agent commerce protocol connecting AI agent workflows with PayPal Orders v2 REST API for conversational contract negotiation, fraud risk scoring, and instant milestone settlements.
AI agents audit your own PayPal sandbox checkout for money-losing mistakes, prove each one with PayPal's own records, and re-run the check to prove your approved fix holds.
An AI collections agent for freelancers paid with PayPal: bill in one sentence or voice note, and Cobra drafts, sends and chases your PayPal invoices.
MedInsight AI helps healthcare businesses analyze medical device sales, uncover customer insights, and make smarter decisions, with planned PayPal integration for seamless subscriptions.
Plan smarter, discover local guides, and explore personalized trips with AI-powered travel planning and PayPal Sandbox booking.
An AI agent that investigates PayPal disputes, recommends whether to refund or fight, and drafts the response. Nothing happens until the merchant approves.
Clients fund milestones with PayPal; an AI agent checks delivered work against the brief and releases payment, or flags issues with evidence, automatically.
A PayPal Sandbox reliability workbench for reproducing checkout failures, tracing payment state, and verifying isolated repairs with deterministic checks and AI-assisted diagnostics.
A voice add-on for freelancers: ask who owes you, hear what's coming in this week, and queue payment reminders by voice. Nothing is sent until you approve it.
Before your PayPal payment leaves, Monetra checks it against your limits, EMIs and savings goals. Java calculates, AI explains why, you decide, and success shows only after PayPal confirms.
AI tutor that teaches Grades 8-12 CAPS in Zulu + English via Alexa+ & Fire TV. Built on phone for low-data learners in KZN. Free for all.
Autonomous clearing and settlement engine enforcing zero-loss DvP for high-frequency agent commerce via PayPal v2 APIs.
AI agent buys API quota with PayPal — autonomous machine-to-machine commerce on fiat rails. No human checkout, no signup.
Describe the job in one sentence and send a PayPal invoice before you leave the customer's door
AI agents can buy things now. Writ checks every PayPal charge against limits you signed before any credential exists, pays exactly once, and keeps a tamper-evident record.
AI-powered travel planning with intelligent agents for flights, hotels, and budgets, with secure PayPal payments for a seamless travel experience.
An AI fraud check that reviews every PayPal order before a small business ships it, flags scams in plain English, and holds or refunds risky orders in one click.
An AI receptionist that asks only risky bookings for a PayPal hold, places it 48 hours before, and releases it the moment the client walks in.
A shared receipt connecting service milestones, human acceptance and PayPal payment evidence.
PaySentinel AI uses artificial intelligence to detect suspicious transactions, identify payment scams, and analyze risk before users pay, making digital payments safer, smarter, and more secure.
Reconcile PayPal sandbox payments with exact arithmetic and AI-guided investigations backed by evidence.
NVIDIA Nemotron on Nebius turns a merchant catalog into a shopping conversation, with catalog-priced carts and PayPal checkout that waits for customer approval.
