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:
Standing Orders is an AI agent that watches product prices for you, buys genuine deals through PayPal, and refuses fake "sales" — with spending caps and a kill switch it can't override.
One reactive state tree for your run-of-show, financial ledger, and autonomous PayPal treasury because running a 2,000-person conference shouldn't mean reconciling 14 spreadsheets at 2 AM.
When a promise breaks, trust shouldn't. AI-powered service recovery grounded in real incident evidence and PayPal Sandbox payment verification.
Tell Pip what you need. It asks merchants' agents for a one-time offer, checks every term in code, and you pay through PayPal. No mailing list, no subscription.
Post a result, lock the pay in PayPal, and AI checks the work. Only what was earned is paid.
The safe way to let your AI shop with PayPal. Every purchase your agent makes, on the record.
Shop smarter, save time, stay in control with AI
An autonomous B2B procurement and escrow control plane on PayPal MCP: AI agents source within hard budgets, hold funds in PayPal Orders v2 authorization, and auto-defend disputes with cited proof.
An AI-powered payment reconciliation platform that detects transaction discrepancies, traces payment events, and investigates root causes using evidence-backed AI.
AI shopping agents fall for $4.99 deals that quietly turn into $79 a month. Countersign holds the money in PayPal, reads the fine print, and only pays if the deal is actually what it says.
Pay anywhere with PayPal and your budget files itself. AI asks only when unsure, covers overspends from a common pool, and splits bills so you budget only your share.
An AI-powered platform that helps freelancers detect project scope creep, negotiate additional work with clients, and collect approved change-order payments securely through PayPal.
Pause — Think twice. Pay once.A human-first AI payment safety checkpoint that detects scam signals and helps prevent fraudulent payments before money moves.
Reviving music-sharing
A private AI research assistant for UGREEN NAS that helps users search, organize, understand, and summarize documents using self-hosted AI while keeping their data under their control.
Describe your party, and Gemini Nano on your own device plans a real catering order. If your device can't, Firebase AI Logic falls back to the cloud, so it works for everyone.
An AI agent that saves you money before, during, and after every purchase, and gives merchants the intelligence to keep customers coming back where only PayPal sees both sides of the transaction.
Pay for physical work only when the proof is there: AI splits a job into milestones, PayPal holds the money, and each payout is released after photo proof and client approval.
Ut fugiat id non ei
Spending guardrails for AI shopping agents: the model proposes a cart, deterministic policy decides, PayPal settles, and every refusal carries a reason code.
An assistant that interprets a payment request, helps distinguish between a personal transfer and a payment for goods or services, explains the implications and asks for clarifications.
Non-custodial PayPal holds + Gemini vision + 10-gate settlement for real work