the402 endpoint detail

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x402.ottoai.services trade-perpetuals

https://x402.ottoai.services/trade-perpetuals

answers 402

Open leveraged perpetual positions on Hyperliquid with optional native TP/SL trigger orders. Min notional $10. Max leverage varies by asset (BTC 40x, ETH 25x, SOL 20x). Supports BTC, ETH, SOL, and 100+ other markets.

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
0x5bB4B0C766E0D5D791d9403Fc275c22064709F68
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
164 ms
Payment options
2 usable of 2
Last checked
2026-09-06T01:11:34.967Z (31d ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.ottoai.services%2Ftrade-perpetuals"