the402 endpoint detail

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tenjin.blog api answer

https://tenjin.blog/api/answer

answers 402

Pay once for a cited answer synthesized from independent publishers on Tenjin. POST a question; a question the catalog cannot answer returns a free MISS and is never charged.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.05
Network
base
Pay to
0x578c640E2D53023066026381B8CC362539741063
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
776 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:23:46.667Z (3d ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ftenjin.blog%2Fapi%2Fanswer"