Developer Documentation

Accept Crypto Payments Globally with JeanPay

Developer Documentation

Get Started

Simple. Scalable. Secure.

Explore JeanPay’s API and technical tools to build powerful crypto payment experiences into your app, platform, or business. Whether you’re integrating wallet creation, crypto checkout, or swaps — our docs and SDKs are designed to get you live in hours, not weeks.
Our Solutions

What You Can Do with the JeanPay API

Enable real-time crypto swaps

Automate payouts and mass transfers

Send and receive USDT, BTC, ETH, and other supported tokens

Generate and assign individual wallet addresses (WAAS)

Set up callbacks and webhooks for transaction notifications

Track and verify blockchain transactions in real-time

Accept crypto payments through hosted checkout or custom flow

Check out our Available Tools

RESTful API

All endpoints follow RESTful principles with JSON responses, simple authentication, and versioning for long-term stability.

SDKs and Sample Code

Get started faster with SDKs in: Node.js, PHP, Python, Go (coming soon).

Webhook Support

Set real-time callbacks to notify your backend system when a transaction is received or confirmed.

Sandbox Environment

Test every function in a simulated blockchain setting without risking funds. Pre-funded test wallets available.

Developer Resources

– [Full API Reference]
– [Quickstart Guide]
– [Postman Collection]
– [Authentication Guide (API Key / OAuth)]
– [Webhook Setup Tutorial]
– [Error Handling & Retry Logic]

Security & Best Practices

JeanPay prioritizes secure integrations:
– IP whitelisting
– Rate limits to prevent abuse
– Encrypted API key storage
– Recommended flow for KYB/KYC compatibility
– JWT & HMAC signing options (for advanced clients)

Integration Use Cases

– E-commerce crypto checkout
– Wallet generation per user/order
– Marketplace vendor settlements
– Subscription or SaaS billing
– Token sales or crowdfunding
– Cross-chain swap tools

Join Our Ecosystem

Whether you're building a crypto platform, adding stablecoin payments, or scaling your Web3 service — JeanPay is the infrastructure you can trust.

More that 1.5 million businesses and organizations use StartNext

Start Building with JeanPay

Sign up for a developer account to access the API keys, sandbox, and full documentation. Need help? Our support team and integration engineers are here to guide you.

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