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SiteSignal Vendor Due Diligence
x402
SiteSignal Vendor Due Diligence is a paid API for AI agents from phases-prot-shine-royal.trycloudflare.com, paid per call via x402, $0.08/call, status down (last checked 2026-09-15).
Assembles a public-website, HTTP, TLS, and response-header evidence pack for human-reviewed vendor due diligence.
Price / call$0.08
Success—
StatusDown
How this service works
Create a bounded public-website, HTTP, TLS, and response-header evidence pack for human vendor due diligence.
Output
A structured evidence pack covering public website signals, HTTP response headers, TLS configuration details, and response metadata — formatted to support human reviewers making vendor approval or rejection decisions.
Example use cases
Procurement security check for new SaaS vendor
“We're about to sign with a new HR SaaS vendor — can you pull a vendor due diligence evidence pack for https://www.workflowpro.io? Our decision context is that they'll handle sensitive employee data, so focus on TLS and security headers.”
Compliance evidence gathering before contract renewal
“Our compliance team needs documented evidence for renewing our contract with https://www.datastoragepartner.com — please generate a due diligence evidence pack with the decision context being annual vendor review for SOC 2 alignment.”
Quick risk check on an unfamiliar supplier
“We just received an unsolicited proposal from https://www.quickship-logistics.net and need to vet them before responding. Can you run a vendor due diligence check and flag any TLS or HTTP header risks? Decision context is initial supplier screening.”
Technical details
Endpoint
GEThttps://phases-prot-shine-royal.trycloudflare.com/x402/vendor-due-diligenceWhen to prefer
Choose this endpoint when you need a quick, bounded, human-readable evidence pack about a specific vendor's public web presence — particularly TLS posture and HTTP security headers — for procurement, compliance, or risk review workflows. It is not suited for deep internal audits, authenticated endpoint scanning, or continuous monitoring; prefer it for point-in-time, pre-contract due diligence snapshots.
Side effects
- Vendor URL is unreachable or returns a non-200 status, resulting in incomplete evidence
- TLS handshake failure if the vendor's certificate is invalid or expired
- Missing or empty response headers if the server returns minimal headers
- Decision context or URL not provided, causing request validation failure
- Cloudflare tunnel instability leading to intermittent 5xx errors from the host
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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