Blocktrain: Paiflow x Web3Iloilo
Meet Senda, BukidPay, CYFAI, and BAYANIHAN: four winning projects exploring payments with Paiflow.
Explore the winners/ COMMUNITY · HACKATHONS
Built together.
Powered by Paiflow.
Student builders, new ideas, and payment flows on Stellar. Explore the people and moments behind our hackathons.
Find builder resourcesFrom the community
2026
First JRU Hackathon
José Rizal University
Our first JRU hackathon, bringing student builders together around programmable payments.
Explore the event
NVC Aklan Hackathon
Northwestern Visayan Colleges · Aklan
A look inside the computer lab as builders work on their Paiflow integrations in Aklan.
Explore the event/ BUILDER RESOURCES
Keep building.
Start with a payment flow. Connect it to your app with the guides and tools used by our hackathon builders.
-
Paiflow Guide
Wallet setup, your first flow, and app integration.
-
Payment starter
A minimal SDK payment example to adapt to your app.
-
SDK reference
Typed Node integrations, methods, and recovery.
-
HTTP API
Endpoints, authentication, and browser/server examples.
-
Windows setup
Prepare your development tools and run the starter.
Hackathon examples use Stellar testnet. Testnet funds have no real-money value.