Getting Started

Introduction

UnusPay is a developer-first crypto payment infrastructure designed to help you accept, process, and settle cryptocurrency payments with minimal integration effort.

UnusPay abstracts the complexity of on-chain payments, wallet management, settlement, and reconciliation behind a unified API. With a Stripe-like developer experience, you can integrate crypto payments into your product while maintaining full control over payment flows, settlement logic, and user experience.

Whether you’re building:

An e-commerce or SaaS product
A Web3 or AI-native application
A platform, marketplace, or super app
Automated services or AI agents that need to initiate payments
Games，Telegram games and others

UnusPay provides the primitives to make crypto payments reliable, observable, and production-ready.

Core Components

UnusPay is composed of modular building blocks that can be used independently or together.

UnusPay Pay

Core payment orchestration APIs for:

Creating and managing crypto payment intents
Supporting multiple chains and tokens
Handling confirmations, callbacks, and settlement status
Routing funds to merchant wallets or settlement accounts

Designed for full programmatic control and backend-driven payment flows.

UnusPay Checkout

A hosted, drop-in checkout optimized for:

Web and mobile payment flows
Fast integration with minimal frontend work
Consistent UX across wallets, chains, and tokens

Ideal for teams that want to go live quickly without building a custom payment UI.

UnusPay AI Payment

APIs and tools that allow AI agents and automated workflows to:

Initiate crypto payments programmatically
Track execution and settlement status
Operate without direct human interaction

Built for agentic workflows, bots, and AI-driven commerce.

Supported Blockchains

UnusPay supports major public blockchains and stablecoin ecosystems commonly used in production crypto payments. All chains are abstracted behind a unified API, allowing developers to integrate once and support multiple networks.

Currently Supported

BTC (EVM) Native BTC transactions, and enterprise use cases.
**Ethereum ** Used for high-value transactions, smart contract–based payments, and enterprise use cases.
**BNB Smart Chain ** Lower transaction costs, widely adopted for stablecoin payments and Web3 applications.
**Polygon ** Fast confirmation times and low fees, suitable for high-frequency and retail payments.
**Arbitrum ** Layer 2 scalability for Ethereum with reduced gas fees.
**Optimism ** Ethereum Layer 2 focused on cost-efficient transactions and ecosystem compatibility.
**TRON ** Optimized for USDT payments with fast settlement and low transaction costs, widely used in global commerce.
**Base ** Coinbase’s EVM-compatible chain optimized for fast, inexpensive transactions and mainstream tooling.
**Avalanche ** High speeds and low latency, ideal for scalable payment environments.
Gnosis Chain Low-fee EVM network suitable for cost-sensitive applications.
**Solana ** Coming soon. High-performance Layer-1 with extremely fast finality and ultra-low transaction costs — great for retail and point-of-sale scenarios.
TON (The Open Network) Coming soon. Native support for Telegram-based applications, Mini Apps, and Web3 super app scenarios.

Asset Support

Stablecoins: USDT, USDC (chain-dependent) and more
Native Tokens: BTC, ETH, BNB, MATIC, TRX, TON and more
Memecoins： DOGE, PEPE, BONK, CAKE and more Support 10000+ tokens, - Read support tokens，UnusPay adds new blockchains continuously 200+ wallets, - Read support wallets
100+ additional wallets via WalletConnect
100+ additional wallets via Ethereum Extension Standard
10+ additional wallets via Solana Extension Standard
10+ additional wallets via Solana Mobile Wallet Adapter
2+ additional wallets via Solana Pay

Token availability may vary by blockchain. Please refer to the API reference for supported token–chain combinations.

Unified Chain Abstraction

Single payment intent model across all chains
Automatic address generation and monitoring
Unified confirmation and settlement status
Chain-specific complexity handled by UnusPay

Why Developers Choose UnusPay

Unified API One API to handle multiple chains, tokens, and settlement flows.
Stripe-like Developer Experience Clear abstractions, predictable responses, and webhook-driven events.
Flexible Settlement Options Settle funds in crypto or fiat depending on your business requirements.
Production-Ready by Design Built with observability, retries, idempotency, and failure handling in mind.
Compliance-Aware Infrastructure Integrated risk controls and monitoring to support compliant operations.

Getting Started

You can start integrating UnusPay in minutes:

Create a UnusPay merchant account
Generate your API keys
Create your first payment intent
Listen for payment events via webhooks
Settle funds to your designated wallet or settlement account

See API Reference for a step-by-step guide with code examples.

Documentation Structure

Quick Start Create your first payment request and test end-to-end flows.
UnusPay Pay API Detailed API references, request/response schemas, and examples.
UnusPay Checkout Frontend integration guides and customization options.
UnusPay AI Payment Agent-based and automated payment workflows.
Webhooks & Events Handle confirmations, failures, and settlement updates reliably.
Troubleshooting & Support Error codes, common issues, and best practices.

Support & Communication

To ensure a smooth integration, our team will set up a shared Telegram group with your developers for:

Integration questions
API usage guidance
Debugging and issue resolution
Launch and post-launch support

Feel free to reach out at any time — we work closely with engineering teams throughout integration and beyond.