# Nansen REST API

**Canonical:** https://apis.io/apis/nansen/rest-api/  
**Provider:** Nansen — https://apis.io/providers/nansen/  
**Base URL:** https://api.nansen.ai/api/v1  
**Documentation:** https://docs.nansen.ai/

Nansen REST API is one of 2 APIs that [Nansen](https://apis.io/providers/nansen/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Onchain, Smart Money, Wallet Labels, Token Screener, and Portfolio. The published artifact set on APIs.io includes API documentation and pricing.

REST API surfacing Nansen's on-chain intelligence: smart-money flows, profiler (wallet labels and balances), token screener, portfolio, points, Hyperliquid analytics, prediction markets, and the Nansen Agent AI endpoint. Authentication via apiKey header. Throttled at 20 requests per second and 300 per minute by default.

## Machine-readable artifacts (3)

- **Documentation** — https://docs.nansen.ai/
- **Pricing** — https://www.nansen.ai/pricing
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/nansen/refs/heads/main/apis.yml

## Other Nansen APIs (1)

- [Nansen Smart Money API](https://apis.io/apis/nansen/nansen-smart-money-api/)

## Tags

Onchain, Smart Money, Wallet Labels, Token Screener, Portfolio, Multi-Chain

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/nansen/rest-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/nansen/.