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api.nameintel.io check trademark
https://api.nameintel.io/api/v1/check/trademark
payable
USPTO trademark conflict check
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.01
- Network
- base
- Pay to
- 0xecd6eDc72f228dcFf9a7e7E981FD64bEa5A4A395
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 195 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:16:50.282Z (1d ago)
- Category
- data
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.nameintel.io%2Fapi%2Fv1%2Fcheck%2Ftrademark"