Supported Networks

Table of contents

  1. FULA Token Networks
    1. Ethereum Mainnet
    2. Base
    3. SKALE Europa
  2. x402 Payment Network
    1. SKALE Europa
    2. Why SKALE?
    3. Getting USDC on SKALE
  3. Network Configuration
    1. MetaMask - SKALE Europa
    2. MetaMask - x402 SKALE Network
  4. Verifying Contracts
    1. FULA Token
    2. Vault Addresses
  5. Chain ID Quick Reference

FULA Token Networks

For adding credits via wallet deposits.

Ethereum Mainnet

Property Value
Chain ID 1
FULA Contract 0x92217cCaEDBdbc54C76c15feA18823db1558fDc9
Explorer etherscan.io

Base

Property Value
Chain ID 8453
FULA Contract 0x9e12735d77c72c5C3670636D428f2F3815d8A4cB
Explorer basescan.org

SKALE Europa

Property Value
Chain ID 2046399126
FULA Contract 0x9e12735d77c72c5C3670636D428f2F3815d8A4cB
Explorer elated-tan-skat.explorer.mainnet.skalenodes.com

x402 Payment Network

For pay-per-upload storage.

SKALE Europa

Property Value
Chain ID 324705682
Network ID (CAIP-2) eip155:324705682
USDC Contract Query /health/pricing endpoint
Gas Fees Zero (gas-free network)

Why SKALE?

  • Zero gas fees for token transfers
  • Fast finality (~1 second)
  • EVM compatible
  • Decentralized

Getting USDC on SKALE

  1. Visit bridge.skale.network
  2. Connect your wallet
  3. Select SKALE Europa as destination
  4. Bridge USDC from Ethereum

Network Configuration

MetaMask - SKALE Europa

Add network manually:

Field Value
Network Name SKALE Europa
RPC URL https://mainnet.skalenodes.com/v1/elated-tan-skat
Chain ID 2046399126
Currency sFUEL
Explorer https://elated-tan-skat.explorer.mainnet.skalenodes.com

MetaMask - x402 SKALE Network

For x402 payments:

Field Value
Network Name SKALE (x402)
RPC URL Check with x402 gateway
Chain ID 324705682

Verifying Contracts

Always verify token contracts before sending:

FULA Token 

// Ethereum
const FULA_ETH = '0x92217cCaEDBdbc54C76c15feA18823db1558fDc9';

// Base & SKALE Europa
const FULA_OTHER = '0x9e12735d77c72c5C3670636D428f2F3815d8A4cB';

Vault Addresses

Get current vault addresses from the WebUI:

  1. Go to Billing > Wallets
  2. Link your wallet
  3. View vault address for your network

Chain ID Quick Reference

Network Chain ID Use
Ethereum 1 FULA deposits
Base 8453 FULA deposits
SKALE Europa (FULA) 2046399126 FULA deposits
SKALE Europa (x402) 324705682 x402 USDC payments