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api.nansen.ai agent fast
https://api.nansen.ai/api/v1/agent/fast
payable
Interact with the Nansen Research Agent in "fast" mode
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $2.00
- Network
- base
- Pay to
- 0x93053f1e7A5eFEDa532Fe69CbbE43cBEc3A0F13f
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 36 ms
- Payment options
- 7 usable of 7
- Last checked
- 2026-08-10T09:16:03.485Z (1d ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.nansen.ai%2Fapi%2Fv1%2Fagent%2Ffast"