FlowPay Core Abstract Icon
v0.1.0-alpha Part of NΞØ Protocol ecosystem

FlowPay Core

Payment confirmed.
Proof issued.
Trust distributed.

Provider-agnostic orchestration for instant payment rails — PIX, UPI, FedNow, Faster Payments. Every confirmation becomes a cryptographically signed Unlock Receipt. Stateless trust at the edge. Zero vendor lock-in.

View on GitHub Live Demo ↓

How it works

01
Webhook arrives
Any provider confirms payment. PIX, UPI, FedNow — adapter normalizes it.
→
02
Verify + deduplicate
Signature verified. Replay protection via txid. State machine validates transition.
→
03
Unlock Receipt
HMAC-SHA256 signed proof. Portable. Stateless. Verifiable at the edge, no DB hit.
→
04
NEO Nexus event
FLOWPAY:PAYMENT_CONFIRMED dispatched to the ecosystem event hub.

Interactive Demo — Unlock Receipt

Simulate a payment confirmation
READY $ flowpay-core simulate --provider pix ───────────────────────────────────────── Waiting for simulation...

Sovereign On-Chain Identity

ENS Name
flowpaycore.eth
Registered · Ethereum mainnet
✓ On-chain verified
Sovereign Wallet
0xb872d02b...32356129
Etherscan · Ethereum mainnet
✓ Etherscan verified
Proof of Existence Hash
0xc326ec80ec0b0f3f...df1756b8
NeoAttestationRegistry · Base network
✓ Immutably registered
Registry Contract
NeoAttestationRegistry.sol
Source verified · Exact match · Blockchain Base
✓ Contract source public
GEN - Soulbound
FlowPay-Core Genesis NFT - Soulbound Badge
FlowPay-Core ] Gênesis [
ERC-5192 SOULBOUND BASE NETWORK TOKEN #0
Contract
0x72Fda679...944a87 ↗
Owner
nsfactory.eth
OpenSea
View on OpenSea ↗
Non-transferable proof of authorship. Permanently bound to the creator's wallet.
Cannot be sold, delegated or moved.

Supported Rails

Provider Region Webhook createCharge Status
BaaS Legacy Brazil ✓ — webhook-first ● POC
PIX / Woovi Brazil skeleton skeleton ● In development
PIX / Efí Brazil skeleton skeleton ● In development
PIX / Mercado Pago Brazil skeleton skeleton ● In development
UPI India — — ● Planned
FedNow USA — — ● Planned
Faster Payments UK — — ● Planned
SEPA Instant Europe — — ● Planned

Ready to connect
your payment rail?

FlowPay Core is in active development as part of the NΞØ Protocol. If you're building on instant payment infrastructure or want early integration access, reach out.

neo@neoprotocol.space