Nansen
Nansen · Banking and investing
On-chain wallet analytics: smart money, token flows and holdings
The client pastes their API key from Nansen's settings. We store it encrypted.
Tested against Nansen's live API.
Building with Nansen? The docs have setup steps and code for every tool.
Open the Nansen docsTools
Your agent calls any endpoint of Nansen's API with the request tool, with the client's access attached.
Base URL for request
https://api.nansen.ai/api/v1
request
HTTPS ANY /v1/clients/{clientId}/nansen/{path}
Any endpoint of Nansen's own API, with the client's access attached.
- servicestringrequired
- This service: nansen
- methodstringrequired
- GET, POST, PUT, PATCH or DELETE
- pathstringrequired
- The path under https://api.nansen.ai/api/v1
- queryobjectoptional
- Query parameters
- bodyobjectoptional
- A JSON body
Over MCP every tool also takes client_id, from list_clients. Over HTTPS send it as clientId to https://api.operate.as/v1.
What the client approves
- Use the Nansen key you paste, with only the access you gave that key
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