the402 endpoint detail

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stumble.vimabrosta.com watches sniper

https://stumble.vimabrosta.com/v1/watches/sniper

no payment challenge

Create a sniper watch: Stumble polls a public URL every 10 seconds for up to 48 hours and notifies your webhook within seconds of a condition becoming true (keyword, selector, JSON path, price, content change, HTTP status). One-time $2.00, no account needed. Ideal for drops and on-sale moments where seconds matter.

Bazaar lists this endpoint, but when we called it we got HTTP 422 instead of a payment challenge.
Price
2000000 atomic
Network
not established
Pay to
-
Spec dialect
-
Transport
-
HTTP method
POST
Response latency
204 ms
Payment options
0 usable of 0
Last checked
2026-09-06T01:19:09.651Z (37d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fstumble.vimabrosta.com%2Fv1%2Fwatches%2Fsniper"