the402 endpoint detail

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402.com.tr x402 watchlist-diff

https://402.com.tr/api/x402/watchlist-diff

answers 402

Retention in one call: pass up to 10 tokens to snapshot them and get a watchId; call again with that watchId to get only the DELTAS since last time — liquidity ±%, price ±%, became-honeypot, sell-tax spiked, liquidity pulled. The second call is worth more than the first. Built for agents holding positions that re-check daily.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.06
Network
base
Pay to
0x973a31858f4d2125f48c880542da11a2796f12d6
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
323 ms
Payment options
2 usable of 2
Last checked
2026-09-06T01:15:15.655Z (19d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2F402.com.tr%2Fapi%2Fx402%2Fwatchlist-diff"