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 shared treasury where groups manage money together: an AI Treasurer explains, members approve, PayPal moves the money, and a tamper-evident ledger keeps the record intact.
PayPal says paid. The tax office asks: did the money arrive? Pucca matches every FIRA line to its invoice and bank credit. Claude explains, code decides, nothing is invented.
AI detects potential license misuse, calculates fees, and lets creators approve payments through PayPal.
AI-powered autonomous shopping that hunts price drops and buys through PayPal, protected by a deterministic Guardian,with SHA-256 checkout verification,fail closed payment security and end to end DLP.
Clearer payment risk for community saving circles using AI, human approval, and verified PayPal sandbox payments.
A voice-first AI companion that helps older adults detect scams, avoid medication mistakes, make safer payments, and stay connected with family through consent-driven actions and safety rules.
A trust layer for agent-to-agent shopping: signed mandates, PayPal Sandbox payments, tamper-evident receipts, and an AI arbiter that rules on disputes using evidence, not guesswork.
A shop that AI agents buy from. A seller talks a product into existence in any language; AI writes the listing; agents find it and pay with PayPal.
Pay the open source your machine runs on. Dividend uses AI to map installed packages to upstream projects, splits a budget by explainable rules, and pays maintainers via PayPal (sandbox).
Translating international shipping rules and merchant records for PayPal dispute evidence.
Chases invoices by the payer's history, not the calendar
Turn freelance deals into clear, AI-powered agreements—with PayPal-enabled payments.
Post a result, lock the pay in PayPal, and AI checks the work. Only what was earned is paid.
PayPal Pact helps freelancers get paid as work progresses. AI reviews milestone evidence, clients approve the work, and PayPal powers each progress payment.
Turn a paid video brief into reviewed AI edits and a delivered MP4, with verified PayPal Sandbox payments and local media processing.
An AI-powered order and payment assistant that helps small sellers negotiate fair prices, enforce policies, process PayPal payments, and resolve disputes with transparent, auditable decisions.
Group buys from a chat where nobody pays unless the group hits the minimum: PayPal holds for everyone, captured at the final tier price or released.
Kindred
PayPilot AI uses Gemini to prepare PayPal Sandbox invoices from natural-language requests, flags possible duplicates and unusual amounts, and requires human approval before creating a draft.
Eliminates the 79% agentic checkout cliff using Pydantic intent contracts and conditional PayPal sandbox escrow, ensuring zero funds are captured if an AI agent hallucinates or encounters injection.
The AI treasurer for your chama: every contribution on a PayPal invoice, a Claude agent that chases and proposes, two officials approve, PayPal pays.
Read seller evidence before checkout: local AI finds exact quotes, you assess the full listing, and PayPal sandbox verifies separate buyer approval and payment capture.
AI-powered freight invoice auditing that detects overcharges, verifies contract evidence, automates disputes, and safeguards carrier payments.
An AI revenue agent translating PayPal Sandbox transactions into explainable revenue forecasts, anomaly signals and actionable next steps.
