Authentication / Authorization
Coinbase App Legacy Keys
Legacy API keys are no longer supported
In February, 2025, we expired all legacy API keys. Create new CDP API keys and update your code to continue using Coinbase App APIs.
Identifying legacy keys
Legacy keys are identifiable by the following characteristics:
- Key name is 16 characters long
- Key secret is 32 characters long
Example legacy key:
Example legacy secret:
Compared to CDP API keys which follow ECDSA format and have the following characteristics:
- Key name is 64 characters long
- Key secret is 128 characters long
Example CDP key name:
Example CDP key secret: