Detect AI-generated text: overall verdict with confidence, AI/human/AI-assisted fractions,
Detect AI-generated text: overall verdict with confidence, AI/human/AI-assisted fractions, and a segment-by-segment breakdown with per-segment humanizer flags. Price scales with length: $0.06 per 100 words, rounded up; minimum $0.06
60000 (raw units)
price
4
calls / 30d
2
unique payers
2026-08-29
updated
Provider
glim.sh · discovered, not yet claimed by its owner
Payment (x402 accepts[])
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]Output schema
{
"bazaar": {
"info": {
"input": {
"body": {
"text": "Detection quality depends on length, so pass at least a paragraph of the text you want scored rather than a single sentence."
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"confidence": "High",
"cost_usd": 0.12,
"fraction_ai": 0.7854,
"fraction_ai_assisted": 0,
"fraction_human": 0.2146,
"headline": "AI Detected",
"num_ai_assisted_segments": 0,
"num_ai_segments": 1,
"num_human_segments": 1,
"prediction": "We believe that this text is a mix of AI and human-written content.",
"prediction_short": "Mixed",
"segments": [
{
"ai_assistance_score": 0.1847,
"confidence": "High",
"end_index": 232,
"humanizer_score": 0,
"is_humanized": false,
"label": "Human",
"preview": "I found the answer by the way... Just a simple wrong sequence...",
"score": 0.1847,
"start_index": 0,
"text": "I found the answer by the way...\nJust a simple wrong sequence of sentences in...",
"token_length": 56,
"word_count": 42,
"word_end": 42,
"word_start": 1
},
{
"ai_assistance_score": 0.8038,
"confidence": "High",
"end_index": 1081,
"humanizer_score": 0.0191,
"is_humanized": false,
"label": "AI-Generated",
"preview": "Gives this answer: Yes, I'm Claude 3.5 Sonnet. My knowledge...",
"score": 0.8038,
"start_index": 233,
"text": "Gives this answer:\nYes, I'm Claude 3.5 Sonnet.\nMy knowledge cutoff is April 2...",
"token_length": 205,
"word_count": 137,
"word_end": 179,
"word_start": 43
}
],
"tier_used": "premium",
"version": "4.0",
"word_count": 179
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"description": "Input for POST /api/v1/detect/ai",
"properties": {
"text": {
"description": "Text to analyze, plain text, 50+ characters, max 20,000. Detection reliability improves with length; very short texts return lower-confidence verdicts.",
"minLength": 50,
"type": "string"
}
},
"required": [
"text"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
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"type": "string"
},
"method": {
"enum": [
"POST"
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"type": "string"
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"type": {
"const": "http",
"type": "string"
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},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"confidence": {
"description": "Confidence carrying the overall verdict: High, Medium, or Low",
"type": "string"
},
"cost_usd": {
"description": "Amount charged for this call, in USD",
"type": "number"
},
"fraction_ai": {
"description": "Fraction of the text judged AI-generated, 0-1",
"type": "number"
},
"fraction_ai_assisted": {
"description": "Fraction judged AI-assisted, 0-1",
"type": "number"
},
"fraction_human": {
"description": "Fraction judged human-written, 0-1",
"type": "number"
},
"headline": {
"description": "Short verdict, e.g. 'AI Generated', 'AI Detected', 'Human Written'",
"type": "string"
},
"num_ai_assisted_segments": {
"description": "Segments labeled AI-Assisted",
"maximum": 9007199254740991,
"minimum": -9007199254740991,
"type": "integer"
},
"num_ai_segments": {
"description": "Segments labeled AI-Generated",
"maximum": 9007199254740991,
"minimum": -9007199254740991,
"type": "integer"
},
"num_human_segments": {
"description": "Segments labeled Human",
"maximum": 9007199254740991,
"minimum": -9007199254740991,
"type": "integer"
},
"prediction": {
"description": "One-sentence verdict in plain English",
"type": "string"
},
"prediction_short": {
"description": "Verdict class: AI, Mixed, or Human",
"type": "string"
},
"segments": {
"description": "Per-segment breakdown, in reading order",
"items": {
"properties": {
"ai_assistance_score": {
"description": "Same value as score, under the upstream detector's field name",
"type": "number"
},
"confidence": {
"description": "Detector confidence for this segment: High, Medium, or Low",
"type": "string"
},
"end_index": {
"description": "Character offset just past this segment's last word in the text you submitted (exclusive)",
"maximum": 9007199254740991,
"minimum": -9007199254740991,
"type": "integer"
},
"humanizer_score": {
"description": "Humanizer likelihood, 0-1.",
"type": "number"
},
"is_humanized": {
"description": "True when this segment reads as AI output passed through a paraphrasing/'humanizer' tool. Absent means not evaluated, not false.",
"type": "boolean"
},
"label": {
"description": "Detector verdict for this segment (e.g. 'AI-Generated', 'Human')",
"type": "string"
},
"preview": {
"description": "Opening excerpt of the segment",
"type": "string"
},
"score": {
"description": "AI-assistance score for this segment, 0-1",
"type": "number"
},
"start_index": {
"description": "Character offset of this segment's first word in the text you submitted",
"maximum": 9007199254740991,
"minimum": -9007199254740991,
"type": "integer"
},
"text": {
"description": "Full text of this segment, sliced from the text you submitted",
"type": "string"
},
"token_length": {
"description": "Tokens in this segment, as counted by the detector",
"maximum": 9007199254740991,
"minimum": -9007199254740991,
"type": "integer"
},
"word_count": {
"maximum": 9007199254740991,
"minimum": -9007199254740991,
"type": "integer"
},
"word_end": {
"description": "1-based word position where this segment ends",
"maximum": 9007199254740991,
"minimum": -9007199254740991,
"type": "integer"
},
"word_start": {
"description": "1-based word position where this segment starts",
"maximum": 9007199254740991,
"minimum": -9007199254740991,
"type": "integer"
}
},
"required": [
"label",
"score",
"ai_assistance_score",
"confidence",
"text",
"word_start",
"word_end",
"word_count",
"token_length",
"start_index",
"end_index",
"preview"
],
"type": "object"
},
"type": "array"
},
"tier_used": {
"const": "premium",
"description": "Deprecated: always 'premium' - every call runs the single remaining (highest-accuracy) detection class. Retained for backward compatibility.",
"type": "string"
},
"version": {
"description": "Detector model version that produced this verdict (e.g. '4.0')",
"type": "string"
},
"word_count": {
"description": "Words analyzed",
"maximum": 9007199254740991,
"minimum": -9007199254740991,
"type": "integer"
}
},
"required": [
"headline",
"prediction",
"prediction_short",
"fraction_ai",
"fraction_ai_assisted",
"fraction_human",
"num_ai_segments",
"num_ai_assisted_segments",
"num_human_segments",
"confidence",
"version",
"word_count",
"tier_used",
"cost_usd",
"segments"
],
"type": "object"
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"type": {
"type": "string"
}
},
"required": [
"type"
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"type": "object"
}
},
"required": [
"input"
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"type": "object"
}
}
}Use it
curl
curl "https://glim.sh/api/v1/detect/ai" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://glim.sh/api/v1/detect/ai");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://glim.sh/api/v1/detect/ai")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/248.json, and this resource appears in /discovery/resources and /discovery/search.