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:
An AI-powered payment navigation layer that helps international travellers evaluate local payment QR codes, understand cross-border compatibility, and make informed payment decisions.
RECLAIM AI automates receivables, payment reconciliation, and dispute management for MSME exporters using AI agents, financial insights, and human-approved actions.
Exhibit answers a seller's PayPal chargebacks from their own records, then has a second AI play PayPal's reviewer and question the answer before PayPal ever reads it.
Plans with friends, minus the chasing. Your AI kitten handles the money. You just show up!
Tell BuyWise what you want to buy. Its AI agent finds the best option, shows the true first-year cost in your currency against your salary, then pays safely via the PayPal Agent Toolkit.
Build,shape&ship
A marketplace where AI agents earn and spend money on PayPal sandbox rails: escrowed bounties, a judge, and wallets run by plain-English owner mandates.
Empowering rapid disaster response through live mapping, verified NGO ranking, and transparent donor tracking.
PromisePay is an AI-powered trust and payment platform for freelancers and clients.AI proposes and verifies. Humans approve. PayPal handles payment.
An AI purchasing agent that turns natural-language shopping intent into policy-controlled PayPal payments with human approval and post-purchase support.
ReconPilot is an AI copilot for small PayPal sellers. Ask in plain English, find duplicate charges, bad fees and wrong refunds in seconds, then create a PayPal draft invoice to recover the money.
Duty-included checkout on PayPal: buyers and their AI agents see the real delivered price, import duty included, before they pay.
Turn WhatsApp product photos into a store any AI shopping agent can find, quote and buy from, with human-approved PayPal checkout. Made by small sellers, found by AI, paid via PayPal.
Freelancers are stronger together. The Guild uses AI and PayPal to share overflow work, auto-split payments, and pay members back when clients ghost.
AI-powered safety layer for autonomous payments that analyzes risk, enforces financial policies, and securely executes approved transactions through PayPal.
Agentic Entitlement & Offer API - Plans, Offers and Retention for your SaaS, run by AI agents and paid through PayPal. Self-hosted on Render.
Autonomous milestone verification and settlement terminal using PayPal Orders v2 holds, AST mutation testing, SLSA provenance, and Merkle audit trees.
Manipulation shouldn't move money. The payment safety layer for people and AI agents.
The transaction firewall for AI-powered commerce. AI understands the purchase; deterministic code enforces the user's spending limits; PayPal moves the money only after human approval.
Your AI agent buys with PayPal. Palisade keeps proof that you said yes, and uses that proof to win the dispute.
Autonomous SOW decomposition, visual Bryntum Gantt milestones, and headless PayPal Orders v2 escrow releases powered by Gemini 2.5 Flash.
Catch the payments your app missed. PayTrace AI finds where PayPal and your records disagree, explains why with AI, and lets a person approve the fix safely.
Refund the extra payment. Keep the access they paid for.
AI verifies the work. You authorise the money. PayPal completes the payment.
