the402 endpoint detail

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tizona-outpost.venusberg.workers.dev watch register

https://tizona-outpost.venusberg.workers.dev/v1/watch/register

answers 402

Register a standing watch over a set of URLs and pre-buy pull credits. POST {"urls":[...],"credits":10}; we keep those URLs in the AI-crawler-access census. Pull with POST /v1/watch/pull {"watchId":...} to get what changed since your last pull. Watches expire after 30 days unless refreshed by activity. For agents that need ongoing monitoring of whether sites serve, refuse, or tollgate AI crawlers

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
0xfd690be940b7115d4fdd2fa2df8b2dc0d1a396b9
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
123 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:12:35.985Z (31d ago)
Category
web-scraping

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ftizona-outpost.venusberg.workers.dev%2Fv1%2Fwatch%2Fregister"