Multi-Chain Instant Settlement • Base & Solana

SEND. CLAIM.
SPEND.

Instant, borderless payments directly from self-custody. Send to anyone via simple link, username, or QR code — settled in seconds across Base and Solana with zero gas fees for the recipient.

EXPLORE ARCHITECTURE
Base L2Solana PayGasless Claim Links (#key=)Virtual Spend CardsERC-7715 Guardrails
USDC
BASE
SOLANA
FIAT RAILS

1. RESOLVE & SEND

Send to any @username, ENS .eth, phone number, or Solana address.

2. CLAIM LINKS & ACTIONS

Share gasless claim links (#key=) or 1-tap Solana Actions & Blinks.

3. CLAIM & SPEND

Claim instantly without gas fees, or tap-to-pay globally with self-custodial virtual Visa cards.

Sub-400ms. Zero Gas Friction.

Solana Pay v1.0 engine with cluster priority fee auto-tuning and WebSocket confirmation.

Global & India Settlement: Supports instant digital dollar transfers worldwide, with direct Indian UPI QR scanning and INR liquidation rolling out.
USDC
Settlement RailSolana High-Speed
Estimated Speed< 400ms
Recipient Gas Cost$0.00 (Gasless)

Built on EVM & Solana.
Engineered for speed.

A complete self-custodial payment stack combining high-throughput Solana Pay with battle-tested EVM smart accounts.

Sub-Second

Solana Pay & Base Fast Settlement

Sub-second confirmation times with dynamic priority fee estimation on Solana, alongside instant low-cost L2 execution on Base.

#key=

Client-Side Link Escrow

Non-custodial ephemeral cryptographic keys (#key=). Send money over WhatsApp, Telegram, or SMS with zero gas for the recipient.

Merchant API

Merchant Checkout & Webhooks

Stripe-grade merchant checkout sessions, HMAC-SHA256 signed webhook delivery with exponential backoff, and idempotent reconciliation.

Virtual Cards

Self-Custodial Virtual Cards

Instant Visa debit cards linked directly to your smart wallet. Live freeze toggle, spend limits, and Apple/Google Pay contactless support.

Base

EVM Account Abstraction

Gasless payments and instant social login via Privy MPC on Base Mainnet and Base Sepolia.

Global Rails

Global Directory & Bank Off-Ramps

Instant directory resolution for @handles, ENS .eth, and phone numbers, backed by Bridge.xyz ACH/SEPA and localized gateway integrations.

Built on Verified Multi-Chain Infrastructure

SolanaBasePrivyUniswapRain CardsBridge.xyzMoonwellSumsubSolanaBasePrivyUniswapRain CardsBridge.xyzMoonwellSumsubSolanaBasePrivyUniswapRain CardsBridge.xyzMoonwellSumsubSolanaBasePrivyUniswapRain CardsBridge.xyzMoonwellSumsub
EVM & Solana Convergence

Cross-Chain Speed.
Zero Friction.
Global Reach.

Built across Base and Solana. Send digital dollars across borders, tap-to-pay with virtual cards, or off-ramp to global bank accounts with sub-second finality.

< 400ms

Instant Settlement Finality

Base L2SolanaBase Sepolia
c
cUPI Support
Online • Multi-Rail
Can I send $25 to a friend who doesn't have a crypto wallet yet?
Yes! Generate a cUPI Claim Link. Send it via WhatsApp or Telegram — they claim in 1 click with zero gas fees. 🚀
Can I also tap-to-pay at coffee shops?
Add your cUPI Virtual Card to Apple Wallet or Google Pay. It settles directly from your self-custody balance! 💳

Paying as
simple as a link.

No complex hexadecimal addresses or multi-step setup. Share links, scan Solana Pay QR codes, or swipe with virtual cards.

Self-Custody Guarantee

Non-custodial Privy MPC architecture. Export your private keys anytime. We never hold your custody.

Autonomous Agent

Delegate DeFi operations with ERC-7715 scoped session keys and hard $50 daily spend guardrails.

Global Bank Off-Ramps

Direct ACH and SEPA liquidation via Bridge.xyz, with localized instant payment gateways.

GOT QUESTIONS?

FREQUENTLY ASKED QUESTIONS ABOUT cUPI

SEND IN SECONDS.
PAY ZERO FEES.
START NOW.

Self-custodial money built for global digital commerce.
Send, claim, and spend across Base and Solana.

Non-Custodial Architecture • Ephemeral Key Security