$ man source-trust-envelope
/source-trust-envelope
PRICE / CALL
$0.07
USDC · base mainnet · scheme: exact
METHOD
POST
CLUSTER
composeCATEGORY
uncategorized
STATUS
● live
NAME
source-trust-envelope — send a url, get one verdict on whether your agent should trust and cite it
SYNOPSIS
POST https://x402.agentutility.ai/source-trust-envelope
Content-Type: application/json
X-PAYMENT: <signed-transferWithAuthorization>
{ ... }↳ first call →
402 Payment Required. Sign USDCtransferWithAuthorization, retry with theX-PAYMENT header.DESCRIPTION
Send a URL, get one verdict on whether your agent should trust and cite it. Composite: one call runs content-authenticity-report (required, is the content AI slop), web-search (degradable, does the claim show up on independent domains), and website-trust-report (degradable, domain reputation, risk flags, TLS, lookalike risk) in parallel. Returns trust_verdict (trusted/mixed/untrusted) from deterministic thresholds, a 0-1 trust_score blend, and the per-signal breakdown. A search or domain-trust outage degrades that signal; a content-authenticity failure fails the call, since that is the core signal. Heuristic, not forensic. Use it as a source trust API, citation trust check, credibility scorer, or pre-citation gate for research agents.
INPUT — request schema
| property | type | description | req? |
|---|---|---|---|
| url | string | Page to evaluate (http/https). Max 2048 chars. | required |
OUTPUT — response shape
| field | type | description |
|---|---|---|
| url | string | — |
| trust_verdict | string | — |
| trust_score | string | — |
| content_authenticity | string | — |
| corroboration | string | — |
| domain_trust | string | — |
| composed_of | string | — |
| components | string | — |
| degraded | string | — |
EXAMPLES — two ways to call
EXAMPLE 1 · curl
curl -X POST https://x402.agentutility.ai/source-trust-envelope \
-H 'Content-Type: application/json' \
-d '{ }'first response =
402 Payment Required with payment requirements; sign + retry with X-PAYMENT.EXAMPLE 2 · mcp
# Install the MCP package for this endpoint's cluster npx -y @agentutility/mcp-<cluster> # Required: EVM private key with USDC on Base export X402_PRIVATE_KEY=0x... # Then call the source-trust-envelope tool from your MCP-aware agent.
MCP server handles payment automatically — your coding agent just calls the tool by name.
METADATA
- tags
- composesourcetrustenvelopesource-trust-envelope
- methods
- POST
- cluster
- compose
- price
- $0.07 USDC per call
ADJACENT — other endpoints in compose
| endpoint | description | price |
|---|---|---|
| audio-brief | Transcribes and digests any audio URL in one call: transcript, summary, and sentiment. | $0.07 |
| caption-translate-pack | Generates translated subtitles from any video URL in one call. | $0.07 |
| document-extract-suite | Turn a PDF URL into structured data in one call: this pdf extraction suite pulls markdown text, tables, named entities, PII flags, and a… | $0.07 |
| filing-financials-brief | Get an SEC filing brief in one call instead of stitching three EDGAR lookups together: the filing itself, its XBRL financials, and a plai… | $0.07 |
| agent-prelaunch-audit | Ship-readiness check before you push an AI app live: agent due diligence and prelaunch audit in one call instead of six. | $0.08 |
| company-intel-pack | Company research bundle for B2B enrichment agents: firmographic profile, domain intelligence, WHOIS registration, TLS posture, tech stack… | $0.08 |
| country-risk-monitor | Re-runnable country monitor: recency-scoped web search headlines, any live Polymarket prediction markets referencing the country (data-on… | $0.08 |
| cyber-exposure-brief | External exposure summary for a domain: DNS records, the hosting network/ASN behind the resolved IP, TLS certificate posture, and a web s… | $0.08 |
SEE ALSO