Skip to content
clusters: prooflayer · edgemarket · edgefinance · synthforge · mediakit · wordmint · webprobe · locale · comppoint · rollforge · bestiary · statline · matchpoint · retail · agentops · browserworkflow · modelrouter · compose
$ man ai-content-detector

/ai-content-detector

agentutility / prooflayer / ai-content-detector
PRICE / CALL
$0.03
USDC · base mainnet · scheme: exact
METHOD
POST
CLUSTER
prooflayer
CATEGORY
ai
STATUS
live
NAME
ai-content-detector detect ai-generated writing with a calibrated probability score
SYNOPSIS
POST https://x402.agentutility.ai/ai-content-detector
     Content-Type: application/json
     X-PAYMENT:    <signed-transferWithAuthorization>

     { ... }
↳ first call → 402 Payment Required. Sign USDCtransferWithAuthorization, retry with theX-PAYMENT header.
DESCRIPTION

Detect AI-generated writing with a calibrated probability score. Returns a 0-1 likelihood, a verdict, suspicious phrases, and per-axis style signals (em-dash overuse, hedge phrases, formulaic transitions). Works as an AI content detector, GPT detector, or ChatGPT-text checker.

INPUTrequest schema
propertytypedescriptionreq?
textstringrequired
OUTPUTresponse shape
fieldtypedescription
probability_ai_generatednumberCalibrated 0-1 probability that the submitted text was AI-generated.
verdictstringShort label summarizing the call, like "likely_ai", "likely_human", or "uncertain".
confidencenumber0-1 score for how strongly the per-axis signals agree on the verdict.
reasoningarrayOrdered list of human-readable reasons backing the verdict, citing which signals fired.
suspicious_phrasesarrayVerbatim snippets from the input flagged as characteristic AI phrasing.
style_signalsobjectPer-axis style scores: em-dash overuse, hedge phrases, formulaic transitions, and similar.
input_charsnumberCharacter count of the submitted text after normalization.
modelstringIdentifier of the classifier model that produced the verdict.
EXAMPLEStwo ways to call
EXAMPLE 1 · curl
curl -X POST https://x402.agentutility.ai/ai-content-detector \
  -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 ai-content-detector tool from your MCP-aware agent.
MCP server handles payment automatically — your coding agent just calls the tool by name.
METADATA
tags
ai-detectioncontentmoderationllmclassify
env
VENICE_API_KEY
methods
POST
cluster
prooflayer
price
$0.03 USDC per call
ADJACENTother endpoints in prooflayer
endpointdescriptionprice
dep-risk-summaryScores dependency risk for a whole repo from its manifests and lockfiles.$0.03
github-repo-healthGitHub repo health score / open-source maintainability checker.$0.03
package-risk-npmScores supply-chain risk for an npm package before you install it.$0.03
prompt-injection-surfaceScans AI app source code for prompt injection risk at LLM call sites.$0.03
app-store-rejection-explainExplains App Store and Google Play rejections and turns them into a resubmission plan.$0.02
db-migration-riskAudits database migrations for risky SQL before deploy.$0.02
deploy-config-riskAudits deploy configuration files for production risks.$0.02
secrets-exposure-checkScans project config files for hardcoded secrets before you deploy.$0.02
SEE ALSO
agentutility · prooflayer · x402 · mcp · llms.txt · registry.json · bazaar.x402.org