old_Loopcrypto.xyz
  • Introduction
  • Supported networks and tokens
  • Loop + Frames
  • Learn
    • How Loop works
    • Core components
      • Collecting authorization
        • Enabling payment on multiple networks
        • Accepting ETH and MATIC
      • Sending payment requests
      • Checking a customer's balance & allowance
      • Receipts and reminders
      • Customer portal
    • Loop + your financial stack
      • Linking on-chain transactions with invoices in your ERP system
      • Connecting with accounting software
      • Crypto off-ramp
    • Case studies
  • Dashboard functionality
    • Subscriptions
      • Free trials, discounts and more
      • Auto-invoicing
      • Auto-cancelations
    • One-time payments
    • Scheduling outbound payments
      • Internal notes
    • Editing an upcoming payment
    • Payments for platforms
  • Integrations
    • Stripe + Loop
      • Getting setup
      • Stripe Connect setup
      • Subscriptions
        • Free trials
        • Upgrading a customer or editing a subscription's products
      • Invoicing
      • One-time payments
      • Coupon codes
      • Stripe Connect - Subscriptions
      • FAQs about Stripe integration
    • Chargebee + Loop
      • Getting setup
      • Subscriptions
      • One-time payments
      • Coupon codes
    • Quickbooks + Loop
      • Invoicing
    • Xero + Loop
      • Invoicing
    • Ghost.org + Loop
    • Zapier + Loop
    • Manually add integrations
  • Technical Docs
    • APIs
      • Entity
        • Adding child entities
        • Adding user to child entity
        • Get child entities
      • Items
        • Adding items
          • Item types
          • Categories
        • Retrieving an item
        • Updating an item
        • Deactivating an item
      • Agreements
      • Transfer requests
        • Signing transfer requests
        • Loop CLI
        • Canceling transfer requests
        • Transfer request status
        • Handling unfulfilled transfer requests
        • Validations
      • Webhooks
        • Checking webhook signatures
        • Demo App
        • Slack, Airtable, Discord, Telegram
    • Archeticture
      • Smart contract
        • Deploying your smart contract
          • Modifying smart contract properties
      • Collecting authorization
        • Checkout page
          • Additional functionality
          • Add "pay with crypto" button
        • Checkout widget
          • NPM package readme
        • Checkout parameter examples
      • Providing on-chain payment based access
        • Subscription gated communities
    • Loop SDK
      • Verify Webhook
      • Transfers
      • Error Handling
      • Generating API keys
    • Sample guide: Collect a subscription or one-time payment
    • Integrating the Loop Protocol into your dApp
      • Payroll applications
      • Loan platforms (credit cards, BNPL)
    • Security
      • API Authentication
      • Securing with signatures
      • API Trust assumptions
      • Audits
  • FAQs
  • Company Dashboard
  • Loop Portal
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On this page
  • Loop API
  • Ethereum
  • Optimism
  • Polygon
  • Arbitrum
  • BNB
  • Base
  • Solana
  • Devnet (Demo environment)
  • Sepolia (Demo environment)

Supported networks and tokens

Loop API

Environment
Network ID
API URL

Production

https://api.loopcrypto.xyz

Ethereum

1

Optimism

10

Polygon

137

Arbitrum

42161

Binance

56

Base

8453

Solana

900

Demo

https://demo.api.loopcrypto.xyz

Devnet

901

Sepolia

11155111

Ethereum

Token Symbol
Token Address

USDC

GUSD

WBTC

WETH

DAI

FRAX

ENS

DYDX

UNI

CRV

IMX

Optimism

Token Symbol
Token Address

USDC (native)

USDC.e (wrapped)

WETH

DAI

WBTC

USDT

OP

Polygon

Token Symbol
Token Address

USDC (native)

USDC.e (wrapped)

WBTC

WETH

USDT

DAI

FRAX

UNI

WMATIC

Arbitrum

Token Symbol
Token Address

USDC (native)

USDC.e (wrapped)

WETH

WBTC

DAI

USDT

BNB

Token Symbol
Token Address

USDC

WETH

DAI

WMatic

USDT

WBNB

Base

Token Symbol
Token Address

USDC

USDbC

DAI

WETH

Solana

Token Symbol
Token Address

USDC

EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v

Devnet (Demo environment)

Token
Token Address

USDC

4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU

Sepolia (Demo environment)

Token
Token Address

USDC (via COW swap)

0x94a9D9AC8a22534E3FaCa9F4e7F2E2cf85d5E4C8

USDC (Circle official)

WETH

DAI

LINK

Note: Loop also supports the wrapping of native tokens such as ETH in checkout. For more information, see wrapping tokens.

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Last updated 7 months ago

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