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Documentation Index

Fetch the complete documentation index at: https://developers.circle.com/llms.txt

Use this file to discover all available pages before exploring further.

This is CCTP V1 (Legacy) version. For the latest version, see CCTP.
CCTP V1 is available on the following blockchains where USDC is natively issued, providing Standard Transfer functionality. Mainnet:
  • Aptos
  • Arbitrum
  • Avalanche
  • Base
  • Ethereum
  • Noble
  • OP Mainnet
  • Polygon PoS
  • Solana
  • Sui
  • Unichain
Testnet:
  • Aptos Testnet
  • Arbitrum Sepolia
  • Avalanche Fuji
  • Base Sepolia
  • Ethereum Sepolia
  • Noble Testnet
  • OP Sepolia
  • Polygon PoS Amoy
  • Solana Devnet
  • Sui Testnet
  • Unichain Sepolia