Supported Chains and Currencies

Complete list of supported blockchain networks and currencies for Request Network

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Overview

Request Network supports payments across 10 EVM-compatible blockchain networks with 553+ currencies including major cryptocurrencies, stablecoins, and fiat currencies. This comprehensive coverage ensures global accessibility and flexibility for all payment scenarios.

Supported Blockchain Networks

Ethereum

Mainnet & Sepolia Testnet

Native Token: ETH Popular Tokens: USDC, USDT, DAI, LINK, UNI Network ID: 1 (mainnet), 11155111 (sepolia)

Best For: High-value transactions, DeFi integration

Polygon

Mainnet & Mumbai Testnet

Native Token: MATIC Popular Tokens: USDC, USDT, DAI, WETH Network ID: 137 (mainnet), 80001 (mumbai)

Best For: Low-cost transactions, high throughput

Arbitrum

One & Sepolia Testnet

Native Token: ETH Popular Tokens: USDC, USDT, ARB, GMX Network ID: 42161 (one), 421614 (sepolia)

Best For: Lower fees with Ethereum security

Optimism

Mainnet & Sepolia Testnet

Native Token: ETH Popular Tokens: USDC, USDT, OP, SNX Network ID: 10 (mainnet), 11155420 (sepolia)

Best For: Fast transactions, Ethereum compatibility

Base

Mainnet & Sepolia Testnet

Native Token: ETH Popular Tokens: USDC, cbETH, DAI Network ID: 8453 (mainnet), 84532 (sepolia)

Best For: Coinbase ecosystem integration

Additional Networks

More Networks Available:

• BSC (Binance Smart Chain)
• Avalanche C-Chain
• Fantom Opera
• Gnosis Chain
• Celo

Currency Categories

Major Cryptocurrencies

Native Tokens

Blockchain Native Currencies:

Currency	Symbol	Chains Available
Ethereum	ETH	Ethereum, Arbitrum, Optimism, Base
Polygon	MATIC	Polygon
Binance Coin	BNB	BSC
Avalanche	AVAX	Avalanche
Fantom	FTM	Fantom

Fiat Currencies

Major Fiat Currencies

G7 & Major Global Currencies:

Currency	Code	Region
US Dollar	USD	United States
Euro	EUR	European Union
British Pound	GBP	United Kingdom
Japanese Yen	JPY	Japan
Canadian Dollar	CAD	Canada
Australian Dollar	AUD	Australia
Swiss Franc	CHF	Switzerland
Chinese Yuan	CNY	China

Note: Fiat currencies are used for pricing and conversion. Actual payments settle in cryptocurrency.

Emerging Market Currencies

Regional Currencies:

Currency	Code	Region
Brazilian Real	BRL	Brazil
Indian Rupee	INR	India
Mexican Peso	MXN	Mexico
South African Rand	ZAR	South Africa
Turkish Lira	TRY	Turkey
Russian Ruble	RUB	Russia
Korean Won	KRW	South Korea
Thai Baht	THB	Thailand

Total Coverage: 150+ international fiat currencies

Currency Selection Guide

For Different Use Cases

📄 Invoicing

Recommended Currencies:

• Pricing: USD, EUR, GBP (familiar fiat terms)
• Settlement: USDC, USDT, DAI (stable value)
• Networks: Polygon, Arbitrum (lower fees)

Learn More →

💰 Payouts

Recommended Currencies:

• High Volume: USDC on Polygon (lowest fees)
• Cross-border: USDC, USDT (global acceptance)
• Flexibility: Native tokens for local markets

Learn More →

🛒 Checkout

Recommended Currencies:

• Customer Choice: Multiple payment options
• Conversion: USD pricing, crypto settlement
• Popular: ETH, USDC, MATIC, BNB

Learn More →

🔄 Subscriptions

Recommended Currencies:

• Stability: USDC, DAI (predictable values)
• Low Fees: Polygon, Arbitrum networks
• Reliability: Established stablecoins

Learn More →

Network Selection Criteria

Cost Optimization

Transaction Fees

Average Transaction Costs (2025):

Network	Native Transfer	ERC-20 Transfer	Typical Use
Polygon	$0.001-0.01	$0.01-0.03	High volume, frequent transactions
Arbitrum	$0.10-0.50	$0.20-1.00	Ethereum ecosystem, medium volume
Optimism	$0.10-0.50	$0.20-1.00	Ethereum ecosystem, medium volume
Base	$0.05-0.25	$0.10-0.50	Coinbase integration
Ethereum	$2-20	$5-50	High value, infrequent transactions

Fee Optimization Tips

• Use Polygon for high-frequency, low-value transactions
• Use Ethereum for high-value, security-critical transactions
• Consider L2 solutions (Arbitrum, Optimism) for balanced cost/security

Currency Codes and Formats

Standard Format

Request Network uses standardized currency codes:

Native Tokens

// Format: {SYMBOL}-{NETWORK}
"ETH-mainnet"        // Ethereum on Ethereum mainnet
"MATIC-matic"        // MATIC on Polygon mainnet
"ETH-arbitrum-one"   // ETH on Arbitrum One
"ETH-optimism"       // ETH on Optimism
"BNB-bsc"           // BNB on BSC

Currency Validation

Validate Currency

import { validateCurrency } from '@requestnetwork/request-client.js';

// Check if currency is supported
const isValid = validateCurrency('USDC-matic');
console.log(isValid); // true

// Get currency details
const currencyInfo = getCurrencyInfo('USDC-matic');
console.log(currencyInfo);
// {
//   symbol: 'USDC',
//   network: 'matic',
//   type: 'ERC20',
//   decimals: 6,
//   address: '0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174'
// }

Real-Time Price Data

Request Network uses multiple price feed sources for accurate conversions:

Price Oracle Sources

Primary Data Sources:

• Chainlink Price Feeds (on-chain)
• CoinGecko API (market aggregation)
• CoinMarketCap API (market data)
• DEX aggregators (real-time trading data)

Update Frequency: Sub-minute updates for major pairs

Supported Conversion Pairs

Fiat to Crypto:

• Any fiat currency → Any supported cryptocurrency
• Real-time exchange rate calculation
• Slippage protection for large amounts

Crypto to Crypto:

• Crosschain token conversions
• Optimal routing through DEX aggregators
• Minimal slippage and MEV protection

What’s Next?

� Token List

Complete token list with contract addresses and chain details

⚙️ Payment Types

Learn about different payment types and currency options

🛠️ Integration

Start building with your preferred currencies and networks

🌐 NEAR Blockchain

Learn about NEAR blockchain support and unique features