{"id":"audit-prose-forensics","title":"Forensic AI-trajectory & prose craft auditor","description":"Deterministic prose forensics: word echoes within 50 words, repeated 3-6-grams, sentence-starter runs, hedge/filter/passive/nominalization density, burstiness, MATTR, Flesch-Kincaid, vocabulary fingerprints, AI syntactic tics (Not X. Y. pivots, verbless fragments, autonomous body parts), optional revision-history trajectory, and an editorial humanization map whose quotes are verified verbatim. Every finding has exact offsets and line:column. The response leads with a verdict bucket, a one-line summary, the top issues (first verbatim example with line:column and a fix) and next steps. English text only. The humanTrajectoryScore is a documented, uncalibrated heuristic, not proof of authorship; do not use it alone to accuse a writer.","roi":"Editors, publishers, and instructors get exact-location craft findings and process evidence instead of an unexplainable AI-detector percentage; it is cheaper than one hour of line editing.","audience":"research","channels":["x402","mcp","rapidapi","apify"],"endpoint":{"method":"POST","url":"https://agents.writerslogic.com/api/v1/audit-prose-forensics","path":"/api/v1/audit-prose-forensics","contentType":"application/json"},"price":{"amount":"1.00","currency":"USDC","network":"base","perCall":true,"failedCallsCharged":false},"inputSchema":{"type":"object","additionalProperties":false,"required":["text"],"properties":{"text":{"type":"string","minLength":1,"maxLength":300000,"description":"Plain-text prose to audit (English)."},"revisionHistory":{"type":"array","maxItems":50,"description":"Earlier drafts of the same text with ISO-8601 timestamps; adds a revision trajectory as process evidence.","items":{"type":"object","additionalProperties":false,"required":["timestamp","text"],"properties":{"timestamp":{"type":"string","minLength":4,"maxLength":40,"description":"ISO-8601 date-time."},"text":{"type":"string","maxLength":200000}}}},"genre":{"type":"string","enum":["fiction","memoir","essay","journalism","academic","business","other"],"description":"Context for the editorial pass only."}}},"resultSchema":{"type":"object","properties":{"verdict":{"type":"string","enum":["machine_like_signals","inconclusive","human_like_signals"],"description":"Stable bucket of humanTrajectoryScore (<35, 35-64, 65+). A heuristic reading, not a finding about authorship."},"summary":{"type":"string"},"topIssues":{"type":"array","description":"Up to 6 rule groups ranked by severity: count, density, first verbatim example with line:column, and a fix.","items":{"type":"object","properties":{"rule":{"type":"string"},"label":{"type":"string"},"count":{"type":"integer"},"per1000Words":{"type":"number"},"severity":{"type":"string","enum":["high","medium","low"]},"example":{"type":"object","properties":{"start":{"type":"integer"},"end":{"type":"integer"},"line":{"type":"integer"},"column":{"type":"integer"},"endLine":{"type":"integer"},"endColumn":{"type":"integer"},"text":{"type":"string","description":"Verbatim span of the submitted text."}}},"fix":{"type":"string"}}}},"nextSteps":{"type":"array","items":{"type":"string"}},"humanTrajectoryScore":{"type":"number","description":"0-100 heuristic; higher means more human-like signals. Not proof of authorship."},"scoreBand":{"type":"string"},"confidence":{"type":"string","enum":["low","medium","high"]},"heuristicNotice":{"type":"string"},"genre":{"type":"string"},"genreNote":{"type":"string"},"deterministic":{"type":"object","properties":{"conventions":{"type":"object"},"text":{"type":"object"},"metrics":{"type":"object","description":"echoes, repeatedNgrams, sentenceStarters, hedges, filterWords, passiveVoice, nominalizations, sentenceLengthWords, paragraphLengthWords, rhythm, mattr, readability, stylometrics, aiTics."},"findings":{"type":"array","items":{"type":"object","properties":{"rule":{"type":"string"},"category":{"type":"string"},"message":{"type":"string"},"start":{"type":"integer"},"end":{"type":"integer"},"line":{"type":"integer"},"column":{"type":"integer"},"endLine":{"type":"integer"},"endColumn":{"type":"integer"},"text":{"type":"string","description":"Verbatim span of the submitted text."},"related":{"type":"object"}}}},"findingCounts":{"type":"object"},"repeats":{"type":"array","items":{"type":"object","properties":{"phrase":{"type":"string"},"words":{"type":"integer"},"count":{"type":"integer"},"occurrences":{"type":"array","items":{"type":"object","properties":{"start":{"type":"integer"},"end":{"type":"integer"},"line":{"type":"integer"},"column":{"type":"integer"},"endLine":{"type":"integer"},"endColumn":{"type":"integer"},"text":{"type":"string","description":"Verbatim span of the submitted text."}}}}}}},"scoreComponents":{"type":"array","items":{"type":"object"}},"scoreModel":{"type":"object"},"revisionTrajectory":{"type":"object","description":"Present when revisionHistory has entries."}}},"llm":{"type":"string","enum":["ok","unavailable"]},"llmNote":{"type":"string"},"humanizationMap":{"type":"object","properties":{"summary":{"type":"string"},"suggestions":{"type":"array","items":{"type":"object","properties":{"start":{"type":"integer"},"end":{"type":"integer"},"line":{"type":"integer"},"column":{"type":"integer"},"endLine":{"type":"integer"},"endColumn":{"type":"integer"},"text":{"type":"string","description":"Verbatim span of the submitted text."},"issue":{"type":"string","enum":["ai_tic","hedge_or_filler","generic_phrasing","rhythm","abstraction","repetition","cliche","other"]},"rewrite":{"type":"string"},"why":{"type":"string"}}}},"droppedUnverified":{"type":"integer"},"truncatedForModel":{"type":"boolean"}}}}},"outputSchema":{"type":"object","properties":{"data":{"type":"object","properties":{"verdict":{"type":"string","enum":["machine_like_signals","inconclusive","human_like_signals"],"description":"Stable bucket of humanTrajectoryScore (<35, 35-64, 65+). A heuristic reading, not a finding about authorship."},"summary":{"type":"string"},"topIssues":{"type":"array","description":"Up to 6 rule groups ranked by severity: count, density, first verbatim example with line:column, and a fix.","items":{"type":"object","properties":{"rule":{"type":"string"},"label":{"type":"string"},"count":{"type":"integer"},"per1000Words":{"type":"number"},"severity":{"type":"string","enum":["high","medium","low"]},"example":{"type":"object","properties":{"start":{"type":"integer"},"end":{"type":"integer"},"line":{"type":"integer"},"column":{"type":"integer"},"endLine":{"type":"integer"},"endColumn":{"type":"integer"},"text":{"type":"string","description":"Verbatim span of the submitted text."}}},"fix":{"type":"string"}}}},"nextSteps":{"type":"array","items":{"type":"string"}},"humanTrajectoryScore":{"type":"number","description":"0-100 heuristic; higher means more human-like signals. Not proof of authorship."},"scoreBand":{"type":"string"},"confidence":{"type":"string","enum":["low","medium","high"]},"heuristicNotice":{"type":"string"},"genre":{"type":"string"},"genreNote":{"type":"string"},"deterministic":{"type":"object","properties":{"conventions":{"type":"object"},"text":{"type":"object"},"metrics":{"type":"object","description":"echoes, repeatedNgrams, sentenceStarters, hedges, filterWords, passiveVoice, nominalizations, sentenceLengthWords, paragraphLengthWords, rhythm, mattr, readability, stylometrics, aiTics."},"findings":{"type":"array","items":{"type":"object","properties":{"rule":{"type":"string"},"category":{"type":"string"},"message":{"type":"string"},"start":{"type":"integer"},"end":{"type":"integer"},"line":{"type":"integer"},"column":{"type":"integer"},"endLine":{"type":"integer"},"endColumn":{"type":"integer"},"text":{"type":"string","description":"Verbatim span of the submitted text."},"related":{"type":"object"}}}},"findingCounts":{"type":"object"},"repeats":{"type":"array","items":{"type":"object","properties":{"phrase":{"type":"string"},"words":{"type":"integer"},"count":{"type":"integer"},"occurrences":{"type":"array","items":{"type":"object","properties":{"start":{"type":"integer"},"end":{"type":"integer"},"line":{"type":"integer"},"column":{"type":"integer"},"endLine":{"type":"integer"},"endColumn":{"type":"integer"},"text":{"type":"string","description":"Verbatim span of the submitted text."}}}}}}},"scoreComponents":{"type":"array","items":{"type":"object"}},"scoreModel":{"type":"object"},"revisionTrajectory":{"type":"object","description":"Present when revisionHistory has entries."}}},"llm":{"type":"string","enum":["ok","unavailable"]},"llmNote":{"type":"string"},"humanizationMap":{"type":"object","properties":{"summary":{"type":"string"},"suggestions":{"type":"array","items":{"type":"object","properties":{"start":{"type":"integer"},"end":{"type":"integer"},"line":{"type":"integer"},"column":{"type":"integer"},"endLine":{"type":"integer"},"endColumn":{"type":"integer"},"text":{"type":"string","description":"Verbatim span of the submitted text."},"issue":{"type":"string","enum":["ai_tic","hedge_or_filler","generic_phrasing","rhythm","abstraction","repetition","cliche","other"]},"rewrite":{"type":"string"},"why":{"type":"string"}}}},"droppedUnverified":{"type":"integer"},"truncatedForModel":{"type":"boolean"}}}}},"_provenance":{"type":"object","description":"C2PA-aligned manifest and W3C VC 2.0 (eddsa-jcs-2022) issued by the hub DID; verify at POST /api/v1/verify-provenance"}},"required":["data","_provenance"]},"example":{"text":"Not a mistake. A choice. Her heart pounded as she stepped inside. Pure silence. She felt that she could really see the room, and it seemed to be somewhat empty. This isn't just a house, it's a home. She made a decision to stay.","revisionHistory":[{"timestamp":"2026-11-01T09:00:00Z","text":"Not a mistake. A choice."},{"timestamp":"2026-11-01T09:20:00Z","text":"Not a mistake. A choice. Her heart pounded as she stepped inside."}],"genre":"fiction"},"openapiOperation":{"operationId":"audit_prose_forensics","summary":"Forensic AI-trajectory & prose craft auditor","description":"Deterministic prose forensics: word echoes within 50 words, repeated 3-6-grams, sentence-starter runs, hedge/filter/passive/nominalization density, burstiness, MATTR, Flesch-Kincaid, vocabulary fingerprints, AI syntactic tics (Not X. Y. pivots, verbless fragments, autonomous body parts), optional revision-history trajectory, and an editorial humanization map whose quotes are verified verbatim. Every finding has exact offsets and line:column. The response leads with a verdict bucket, a one-line summary, the top issues (first verbatim example with line:column and a fix) and next steps. English text only. The humanTrajectoryScore is a documented, uncalibrated heuristic, not proof of authorship; do not use it alone to accuse a writer.\n\nPrice: 1.00 USDC on Base (x402).","x-x402-price-usdc":"1.00","x-x402-amount":"1000000","x-payment-info":{"protocols":["x402"],"price":{"mode":"fixed","currency":"USD","amount":"1.00"}},"x-audience":"research","x-sample-url":"https://agents.writerslogic.com/api/v1/samples/audit-prose-forensics","security":[{"x402":[]},{"apiKey":[]}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","additionalProperties":false,"required":["text"],"properties":{"text":{"type":"string","minLength":1,"maxLength":300000,"description":"Plain-text prose to audit (English)."},"revisionHistory":{"type":"array","maxItems":50,"description":"Earlier drafts of the same text with ISO-8601 timestamps; adds a revision trajectory as process evidence.","items":{"type":"object","additionalProperties":false,"required":["timestamp","text"],"properties":{"timestamp":{"type":"string","minLength":4,"maxLength":40,"description":"ISO-8601 date-time."},"text":{"type":"string","maxLength":200000}}}},"genre":{"type":"string","enum":["fiction","memoir","essay","journalism","academic","business","other"],"description":"Context for the editorial pass only."}}},"example":{"text":"Not a mistake. A choice. Her heart pounded as she stepped inside. Pure silence. She felt that she could really see the room, and it seemed to be somewhat empty. This isn't just a house, it's a home. She made a decision to stay.","revisionHistory":[{"timestamp":"2026-11-01T09:00:00Z","text":"Not a mistake. A choice."},{"timestamp":"2026-11-01T09:20:00Z","text":"Not a mistake. A choice. Her heart pounded as she stepped inside."}],"genre":"fiction"}}}},"responses":{"200":{"description":"Paid result with provenance","content":{"application/json":{"schema":{"type":"object","properties":{"data":{"type":"object","properties":{"verdict":{"type":"string","enum":["machine_like_signals","inconclusive","human_like_signals"],"description":"Stable bucket of humanTrajectoryScore (<35, 35-64, 65+). A heuristic reading, not a finding about authorship."},"summary":{"type":"string"},"topIssues":{"type":"array","description":"Up to 6 rule groups ranked by severity: count, density, first verbatim example with line:column, and a fix.","items":{"type":"object","properties":{"rule":{"type":"string"},"label":{"type":"string"},"count":{"type":"integer"},"per1000Words":{"type":"number"},"severity":{"type":"string","enum":["high","medium","low"]},"example":{"type":"object","properties":{"start":{"type":"integer"},"end":{"type":"integer"},"line":{"type":"integer"},"column":{"type":"integer"},"endLine":{"type":"integer"},"endColumn":{"type":"integer"},"text":{"type":"string","description":"Verbatim span of the submitted text."}}},"fix":{"type":"string"}}}},"nextSteps":{"type":"array","items":{"type":"string"}},"humanTrajectoryScore":{"type":"number","description":"0-100 heuristic; higher means more human-like signals. Not proof of authorship."},"scoreBand":{"type":"string"},"confidence":{"type":"string","enum":["low","medium","high"]},"heuristicNotice":{"type":"string"},"genre":{"type":"string"},"genreNote":{"type":"string"},"deterministic":{"type":"object","properties":{"conventions":{"type":"object"},"text":{"type":"object"},"metrics":{"type":"object","description":"echoes, repeatedNgrams, sentenceStarters, hedges, filterWords, passiveVoice, nominalizations, sentenceLengthWords, paragraphLengthWords, rhythm, mattr, readability, stylometrics, aiTics."},"findings":{"type":"array","items":{"type":"object","properties":{"rule":{"type":"string"},"category":{"type":"string"},"message":{"type":"string"},"start":{"type":"integer"},"end":{"type":"integer"},"line":{"type":"integer"},"column":{"type":"integer"},"endLine":{"type":"integer"},"endColumn":{"type":"integer"},"text":{"type":"string","description":"Verbatim span of the submitted text."},"related":{"type":"object"}}}},"findingCounts":{"type":"object"},"repeats":{"type":"array","items":{"type":"object","properties":{"phrase":{"type":"string"},"words":{"type":"integer"},"count":{"type":"integer"},"occurrences":{"type":"array","items":{"type":"object","properties":{"start":{"type":"integer"},"end":{"type":"integer"},"line":{"type":"integer"},"column":{"type":"integer"},"endLine":{"type":"integer"},"endColumn":{"type":"integer"},"text":{"type":"string","description":"Verbatim span of the submitted text."}}}}}}},"scoreComponents":{"type":"array","items":{"type":"object"}},"scoreModel":{"type":"object"},"revisionTrajectory":{"type":"object","description":"Present when revisionHistory has entries."}}},"llm":{"type":"string","enum":["ok","unavailable"]},"llmNote":{"type":"string"},"humanizationMap":{"type":"object","properties":{"summary":{"type":"string"},"suggestions":{"type":"array","items":{"type":"object","properties":{"start":{"type":"integer"},"end":{"type":"integer"},"line":{"type":"integer"},"column":{"type":"integer"},"endLine":{"type":"integer"},"endColumn":{"type":"integer"},"text":{"type":"string","description":"Verbatim span of the submitted text."},"issue":{"type":"string","enum":["ai_tic","hedge_or_filler","generic_phrasing","rhythm","abstraction","repetition","cliche","other"]},"rewrite":{"type":"string"},"why":{"type":"string"}}}},"droppedUnverified":{"type":"integer"},"truncatedForModel":{"type":"boolean"}}}}},"_provenance":{"type":"object","description":"C2PA-aligned manifest and W3C VC 2.0 (eddsa-jcs-2022) issued by the hub DID; verify at POST /api/v1/verify-provenance"}},"required":["data","_provenance"]}}}},"400":{"description":"Invalid request (no payment consumed)","content":{"application/json":{"schema":{"type":"object","properties":{"error":{"type":"string"},"code":{"type":"string"}}}}}},"401":{"description":"Invalid X-API-KEY","content":{"application/json":{"schema":{"type":"object","properties":{"error":{"type":"string"},"code":{"type":"string"}}}}}},"402":{"description":"Payment required or invalid","content":{"application/json":{"schema":{"type":"object","description":"x402 v2 PaymentRequired (also base64 in the PAYMENT-REQUIRED header)","properties":{"x402Version":{"type":"integer"},"error":{"type":"string"},"code":{"type":"string"},"resource":{"type":"object"},"accepts":{"type":"array","items":{"type":"object"}},"extensions":{"type":"object"}}}}}},"502":{"description":"Upstream failure; the payment is released or not settled","content":{"application/json":{"schema":{"type":"object","properties":{"error":{"type":"string"},"code":{"type":"string"}}}}}}}},"links":{"docs":"https://agents.writerslogic.com/docs/audit-prose-forensics/","docsJson":"https://agents.writerslogic.com/docs/audit-prose-forensics.json","sample":"https://agents.writerslogic.com/api/v1/samples/audit-prose-forensics","openapi":"https://agents.writerslogic.com/openapi.json","catalog":"https://agents.writerslogic.com/api/v1/catalog","verifyProvenance":"https://agents.writerslogic.com/api/v1/verify-provenance","index":"https://agents.writerslogic.com/docs/index.json"}}