Fiat-to-Crypto On/Off-Ramp API & Widget

Onramp Money provides B2B fiat-to-crypto and crypto-to-fiat conversion infrastructure for Web3 applications, dApps, wallets, and exchanges through multiple integration modes including a REST API, embeddable iframe widget, URL-based redirect, and white-label option.

Product Overview

The platform supports 480+ cryptocurrencies across 40+ blockchains—including Ethereum, Polygon, BNB Chain, Solana, NEAR, Optimism, Arbitrum, and Tron—and 25+ fiat currencies across 75+ countries. Regional payment rail integrations include UPI (India), SEPA (Europe), PIX (Brazil), and other local payment methods, enabling conversions in under 60 seconds. With over 1.4 million users and 250+ B2B partnerships including MetaMask, Coinbase Wallet, Bybit, and Ledger, Onramp Money is a proven fiat gateway infrastructure provider for the Web3 ecosystem.

Key Features

• Multiple integration modes: API, iframe widget, URL redirect, and white-label UI build
• Built-in KYC/AML: Identity verification and compliance handled automatically on behalf of integrating businesses
• Local payment rails: UPI, SEPA, PIX, and regional methods for 75+ countries
• Fee subsidy: dApps can absorb partial or full fees on behalf of their users
• Theme customization: Dark/light mode, mobile optimization, MetaMask-specific branding support
• Offramp support: Crypto-to-fiat conversion with local payment disbursement
• Shadow DOM isolation: Widget operates without style conflicts in host applications

Use Cases

Onramp Money's infrastructure targets DeFi protocols, NFT marketplaces, gaming platforms, crypto wallets, and exchanges that need to offer fiat onramp and offramp capabilities without building and maintaining their own payment processing, KYC, and compliance infrastructure. Integration can be achieved in a few lines of code.