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legalpulse.theaslangroupllc.com legal trademark-precheck
https://legalpulse.theaslangroupllc.com/api/legal/trademark-precheck
answers 402
Trademark precheck (agent-tier preview of /api/legal/trademark-check $0.50): live USPTO TSDR verification of serial/registration numbers you already have — returns the official LIVE/DEAD status, owner, classes, and dates verbatim. Does not run candidate-discovery research or produce a conflict-risk verdict; those require the full product. For legal, brand-naming, and IP agents with small per-call
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.25
- Network
- base
- Pay to
- 0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 76 ms
- Payment options
- 13 usable of 13
- Last checked
- 2026-09-06T01:11:05.269Z (36d ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Flegalpulse.theaslangroupllc.com%2Fapi%2Flegal%2Ftrademark-precheck"