πAuthentication
The Nansen API uses API key-based authentication. All requests must include an API key provided in the request header for successful authentication.
Obtaining API Keys
You can access the API Keys from this link in account settings

Including Your API Key in Requests
Add the following header to all API requests:
Header Name
Header Value
apiKey
YOUR_API_KEY
Replace YOUR_API_KEY
with your actual API key.
Example API Request
cURL Example:
curl -X POST 'https://api.nansen.ai/api/beta/smart-money/inflows' \
-H 'apiKey: YOUR_API_KEY' \
-H 'Content-Type: application/json' \
-d '{
"parameters": {
"smFilter": ["Smart Trader"],
"chains": ["ethereum"],
"includeStablecoin": true
}
}'
Last updated
Was this helpful?