the402 endpoint detail

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byfaro.ai check mcp

https://byfaro.ai/agent/check/mcp

answers 402

Single-signal check: does this website expose MCP / WebMCP tooling AI agents can call? Returns yes/no plus the underlying checks (MCP endpoint, WebMCP tools, agent skills) with fixes. Cheapest way to answer one integration question about a site.

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
0x2586231a0ec268062f7ef79a290054cfd4c64aaa
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
386 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:13:01.994Z (31d ago)
Category
ai-inference

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fbyfaro.ai%2Fagent%2Fcheck%2Fmcp"