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mcp.onchaindiligence.com x402 preflight-payment
https://mcp.onchaindiligence.com/x402/preflight-payment
no payment challenge
Evaluate a proposed payment against a structured, caller-supplied policy and optional recipient sanctions screening, before execution. Returns ALLOW, REQUIRE_APPROVAL, or BLOCK with reasons, plus a signed OCD PREFLIGHT receipt anyone can independently verify. Policy evaluation only: OCD never holds, moves, or authorizes funds. The wallet, PayBox, or x402 client independently authorizes execution a
Bazaar lists this endpoint, but when we called it we got
HTTP 400 instead of a payment challenge.- Price
- 10000 atomic
- Network
- not established
- Pay to
- -
- Spec dialect
- -
- Transport
- -
- HTTP method
- POST
- Response latency
- 269 ms
- Payment options
- 0 usable of 0
- Last checked
- 2026-09-06T01:19:03.451Z (37d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fmcp.onchaindiligence.com%2Fx402%2Fpreflight-payment"