International Exchange Sandbox

Access

Contact your Coinbase Account Team for onboarding instructions.

Sandbox URLs

Use the following URLs to test your API connectivity.

API	URL:PORT
UI	https://n5e1.coinbase.com
REST API	VAR::REST_URL_SANDBOX
FIX API - Order Entry	VAR::FIX_URL_SANDBOX_ORDER_ENTRY_FIVE
FIX API - Market Data	VAR::FIX_URL_SANDBOX_MARKET_DATA_FIVE
FIX API - Drop Copy	VAR::FIX_URL_SANDBOX_DROP_COPY_FIVE
WEBSOCKET API	VAR::WS_URL_SANDBOX

Funding the Account

To fund your sandbox account, contact your Coinbase Account Team.

• All INTX Sandbox accounts are funded with USDC.
• You cannot manually fund your account.
• All transfers, deposits, and withdrawals are disabled.

Creating API Keys

1. Log in to the INTX sandbox UI: https://n5e1.coinbase.com/api-keys
2. Select the API tab.
3. Select Create API Key.
4. Select:
   • Portfolios for which to grant API access.
   • Permissions - View, Transfer, Trade.
   • Passphrase - Record and secure.
   • IPs to allowlist - We allow up to 30 IPs/API Key.
5. Record and secure API Secret, Passphrase, and API Key.

In sandbox and production, each account is limited to a maximum of:

• VAR::MAX_API_KEYS_PER_ACCT_TRADING Trading API keys
• VAR::MAX_API_KEYS_PER_ACCT_NON_TRADING Non-trading API keys
• VAR::MAX_DROPCOPY_SESS_PER_ACCT Drop Copy sessions

See Rate Limits.