{"uid":"cap_TsJULRKFCSUhq2S9wH38E","slug":"x402-deployer-x402-deployer-workers-dev-ac4f4b75","name":"AI Content Detector / GPT Detector","description":"AI content detector / GPT detector / ChatGPT plagiarism checker. Calibrated probability (0-1), verdict, suspicious phrases, per-axis style signals (em-dash overuse, hedge phrases, formulaic transitions).","url":"https://x402-deployer.x402-deployer.workers.dev/ai-content-detector","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"required":["text"],"properties":{"text":{"type":"string","description":"Text to analyze for AI-generated writing. Max 20000 chars."}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"verdict":{"type":"string"},"confidence":{"type":"number"},"probability_ai_generated":{"type":"number"}}}}}}},"responseSchema":null,"example":{"request":{"input":{"body":{"text":"The quick brown fox jumps over the lazy dog. This is a simple sentence written by a human to test the AI content detector. It contains natural language patterns and everyday vocabulary."},"type":"http","method":"POST","bodyType":"json"}},"response":{"model":"hermes-3-llama-3.1-405b","source":"morpheus","reasons":["The text contains a well-known pangram","The sentence structure is varied","It states it was written by a human","There are no obvious AI content signals"],"verdict":"likely_human","confidence":0.8,"input_chars":185,"style_signals":{"hedge_phrases":false,"corporate_filler":false,"excessive_em_dashes":false,"unnatural_perfection":false,"formulaic_transitions":false,"repetitive_sentence_structure":false},"suspicious_phrases":[],"probability_ai_generated":0.2}},"exampleRequest":{"text":"The quick brown fox jumps over the lazy dog. This is a simple sentence written by a human to test the AI content detector. It contains natural language patterns and everyday vocabulary."},"tags":["x402"],"displayCostAmount":"0.03","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":2,"rating":{"score":"0.46","successRate":"0.88","reviews":2,"stars":"2.8","state":"rated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XhBNxHVah4ysovfY0Ai74","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes text to determine whether it was written by an AI (e.g. ChatGPT) or a human, returning a calibrated probability score, a verdict, suspicious phrases, and per-axis style signals.","exampleAgentPrompt":"Can you check whether this essay was written by ChatGPT or a human? Here's the text: 'In today's rapidly evolving landscape, it is crucial to consider the multifaceted implications of technological advancement. Furthermore, by leveraging synergistic approaches, we can navigate these challenges effectively.' Give me the AI probability score, verdict, and any suspicious phrases.","exampleUseCases":null,"resultDescription":"Returns a calibrated probability (0.0–1.0) indicating likelihood the text is AI-generated, a human-readable verdict (AI or human), a list of suspicious phrases flagged in the text, and per-axis style signals including em-dash overuse, hedge phrase frequency, and formulaic transitions.","failureModes":["Empty or missing text input returns a 400 error","Text too short to analyze may return low-confidence or indeterminate result","Payment failure (x402) returns 402 Payment Required","Very short snippets may yield unreliable probability scores","Non-English text may reduce detection accuracy"],"whenToPreferThis":"Use this endpoint when you need a calibrated AI-probability score with detailed style-signal breakdowns (em-dash overuse, hedge phrases, formulaic transitions) rather than just a binary label. Ideal for academic integrity checks, content moderation pipelines, or editorial review where explainability and suspicious phrase highlighting are important.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":9,"lastUsedAt":"2026-09-14T14:27:07.277Z","lastSuccessfullyRanAt":"2026-08-07T04:26:43.644Z","lastHealthCheckAt":"2026-09-15T06:35:00.430Z","isFirstParty":false}