{"info":{"_postman_id":"874663f9-39bf-46d4-a324-a4f1231d795d","name":"It's AI API","description":"

AI content detection API. Authenticate with Authorization: APIKey header.

\n","schema":"https://schema.getpostman.com/json/collection/v2.0.0/collection.json","toc":[],"owner":"33759613","collectionId":"874663f9-39bf-46d4-a324-a4f1231d795d","publishedId":"2sBXitCnXB","public":true,"customColor":{"top-bar":"FFFFFF","right-sidebar":"303030","highlight":"6B84F0"},"publishDate":"2026-04-11T16:55:40.000Z"},"item":[{"name":"v2","item":[{"name":"Analyze text","id":"7f4977e4-3689-4878-b8f3-df0829dcf45a","protocolProfileBehavior":{"disableBodyPruning":true},"request":{"auth":{"type":"apikey","apikey":{"basicConfig":[{"key":"key","value":"Authorization"},{"key":"value","value":""}]},"isInherited":false},"method":"POST","header":[{"key":"Content-Type","value":"application/json"},{"key":"Accept","value":"application/json"}],"body":{"mode":"raw","raw":"{\n \"text\": \"string\",\n \"api_key\": \"string\"\n}","options":{"raw":{"headerFamily":"json","language":"json"}}},"url":"https://api.its-ai.org/api/v2/text","description":"

Submit a single text for AI detection analysis.

Authenticate via Authorization: APIKey header or api_key field in the request body.
The request is synchronous — it blocks until the analysis completes (up to 5 minutes).

Request fields

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

Field	Type	Required	Description
`text`	string	yes	The text to analyze. Minimum 200 characters, maximum depends on your subscription plan.
`api_key`	string	no	API key — alternative to the `Authorization` header.

Successful response (200)

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

Field	Type	Description
`score`	float	Overall AI detection score from 0.0 (human) to 1.0 (AI).
`ai_percentage`	float	Fraction of text detected as AI-generated (0.0–1.0). Equals `probabilities.ai + probabilities.ai_low`.
`probabilities`	object	Fraction of AI-generated vs human-written sentences in the text.
`probabilities.ai`	float	Fraction of sentences confidently classified as AI-generated (0.0–1.0).
`probabilities.human`	float	Fraction of sentences confidently classified as human-written (0.0–1.0).
`probabilities.ai_low`	float	Fraction of sentences with low-confidence AI classification (0.0–1.0).
`probabilities.human_low`	float	Fraction of sentences with low-confidence human classification (0.0–1.0).
`segments`	float[]	Per-sentence AI scores.

Error response

All errors follow the same format:

{\"status\": \"error\", \"error\": {\"code\": \"<type>:<code class=&#x27;preserveHtml&#x27; class=&#x27;preserveHtml&#x27; class=&#x27;preserveHtml&#x27; class=&#x27;preserveHtml&#x27; class=&#x27;preserveHtml&#x27; class=&#x27;preserveHtml&#x27; class=&#x27;preserveHtml&#x27; class=&#x27;preserveHtml&#x27; class=&#x27;preserveHtml&#x27;>\", \"message\": \"...\"}}\n\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

HTTP status	Code	When
401	`authentication_failed:api_key_does_not_exist`	Invalid or missing API key.
403	`rich_limit:words_limit_reached`	Word quota exhausted.
403	`rich_limit:text_exceeds_character_limit`	Text exceeds the maximum length for your plan.
404	`validation:low_words`	Text is shorter than 200 characters.
404	`validation:only_english`	Unsupported language detected.
404	`validation:no_text_provided`	`text` field is missing.
429	—	Rate limit exceeded (requests per second).
500	`server:service_unavailable`	Internal processing error or timeout.

","urlObject":{"path":["api","v2","text"],"host":["https://api.its-ai.org"],"query":[],"variable":[]}},"response":[{"id":"5bac54a3-b11a-4d8c-b368-7c217d3fc922","name":"200","originalRequest":{"method":"POST","header":[{"key":"Content-Type","value":"application/json"},{"key":"Accept","value":"application/json"},{"key":"Authorization","value":"","description":"Added as a part of security scheme: apikey"}],"body":{"mode":"raw","raw":"{\n \"text\": \"string\",\n \"deep_scan\": false,\n \"api_key\": \"string\"\n}","options":{"raw":{"headerFamily":"json","language":"json"}}},"url":"https://api.its-ai.org/api/v2/text"},"status":"OK","code":200,"_postman_previewlanguage":"json","header":[{"key":"Content-Type","value":"application/json"}],"cookie":[],"responseTime":null,"body":"{\n \"ai_percentage\": 0.24,\n \"probabilities\": {\n \"ai\": 0.11,\n \"ai_low\": 0.55,\n \"human\": 0.83,\n \"human_low\": 0.99\n },\n \"score\": 0.71,\n \"segments\": [\n 0.95, 0.35, 0.62, 0.48, 0.77,\n 0.21, 0.56, 0.68, 0.14, 0.83,\n 0.39, 0.72, 0.27, 0.91, 0.44,\n 0.66, 0.18, 0.52, 0.79, 0.31\n ]\n}"},{"id":"a9ed991e-c38a-415e-a07a-e83492f3d722","name":"401","originalRequest":{"method":"POST","header":[{"key":"Content-Type","value":"application/json"},{"key":"Accept","value":"application/json"},{"description":"Added as a part of security scheme: apikey","key":"Authorization","value":""}],"body":{"mode":"raw","raw":"{\n \"text\": \"string\",\n \"deep_scan\": false,\n \"api_key\": \"string\"\n}","options":{"raw":{"headerFamily":"json","language":"json"}}},"url":"https://api.its-ai.org/api/v2/text"},"status":"Unauthorized","code":401,"_postman_previewlanguage":"json","header":[{"key":"Content-Type","value":"application/json"}],"cookie":[],"responseTime":null,"body":"{\n \"error\": {\n \"code\": \"string\",\n \"message\": \"string\"\n },\n \"status\": \"string\"\n}"},{"id":"ed3f9c5b-26b7-49f0-9863-ca4ce332ed81","name":"403","originalRequest":{"method":"POST","header":[{"key":"Content-Type","value":"application/json"},{"key":"Accept","value":"application/json"},{"description":"Added as a part of security scheme: apikey","key":"Authorization","value":""}],"body":{"mode":"raw","raw":"{\n \"text\": \"string\",\n \"deep_scan\": false,\n \"api_key\": \"string\"\n}","options":{"raw":{"headerFamily":"json","language":"json"}}},"url":"https://api.its-ai.org/api/v2/text"},"status":"Forbidden","code":403,"_postman_previewlanguage":"json","header":[{"key":"Content-Type","value":"application/json"}],"cookie":[],"responseTime":null,"body":"{\n \"error\": {\n \"code\": \"string\",\n \"message\": \"string\"\n },\n \"status\": \"string\"\n}"},{"id":"5eddc659-64d2-4d6e-a781-62753366831d","name":"404","originalRequest":{"method":"POST","header":[{"key":"Content-Type","value":"application/json"},{"key":"Accept","value":"application/json"},{"description":"Added as a part of security scheme: apikey","key":"Authorization","value":""}],"body":{"mode":"raw","raw":"{\n \"text\": \"string\",\n \"deep_scan\": false,\n \"api_key\": \"string\"\n}","options":{"raw":{"headerFamily":"json","language":"json"}}},"url":"https://api.its-ai.org/api/v2/text"},"status":"Not Found","code":404,"_postman_previewlanguage":"json","header":[{"key":"Content-Type","value":"application/json"}],"cookie":[],"responseTime":null,"body":"{\n \"error\": {\n \"code\": \"string\",\n \"message\": \"string\"\n },\n \"status\": \"string\"\n}"}],"_postman_id":"7f4977e4-3689-4878-b8f3-df0829dcf45a"},{"name":"Batch analyze texts","id":"fe3aa699-35f3-4929-bf52-879a1fef004a","protocolProfileBehavior":{"disableBodyPruning":true},"request":{"auth":{"type":"apikey","apikey":{"basicConfig":[{"key":"key","value":"Authorization"},{"key":"value","value":""}]},"isInherited":false},"method":"POST","header":[{"key":"Content-Type","value":"application/json"},{"key":"Accept","value":"application/json"}],"body":{"mode":"raw","raw":"{\n \"texts\": [\n \"string\",\n \"string\"\n ],\n \"api_key\": \"string\"\n}","options":{"raw":{"headerFamily":"json","language":"json"}}},"url":"https://api.its-ai.org/api/v2/batch","description":"

Submit multiple texts for AI detection analysis in a single request.

Authenticate via Authorization: APIKey header or api_key field in the request body.
The request is synchronous — it blocks until all analyses complete (up to 5 minutes).

Invalid texts return per-item errors instead of failing the entire request.

Request fields

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

Field	Type	Required	Description
`texts`	string[]	yes	List of texts to analyze. Each text must be at least 200 characters and not exceed the maximum length for your plan.
`api_key`	string	no	API key — alternative to the `Authorization` header.

Batch size limits by plan:

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

Plan	Max texts per request
Free	3
Plus	10
Premium	25
Pro	50
Enterprise	250

Successful response (200)

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

Field	Type	Description
`results`	object[]	Array of results, one per submitted text, in the same order.
`results[].score`	float	null
`results[].ai_percentage`	float	null
`results[].probabilities`	object	null
`results[].probabilities.ai`	float	Fraction of sentences confidently classified as AI-generated (0.0–1.0).
`results[].probabilities.human`	float	Fraction of sentences confidently classified as human-written (0.0–1.0).
`results[].probabilities.ai_low`	float	Fraction of sentences with low-confidence AI classification (0.0–1.0).
`results[].probabilities.human_low`	float	Fraction of sentences with low-confidence human classification (0.0–1.0).
`results[].segments`	float[]	Per-sentence AI scores.
`results[].error`	object	null
`results[].error.code`	string	Error code, e.g. `validation:low_words`.
`results[].error.message`	string	Human-readable error description.

Error response

All errors follow the same format:

{\"status\": \"error\", \"error\": {\"code\": \"<type>:<code class=&#x27;preserveHtml&#x27; class=&#x27;preserveHtml&#x27; class=&#x27;preserveHtml&#x27;>\", \"message\": \"...\"}}\n\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

HTTP status	Code	When
401	`authentication_failed:api_key_does_not_exist`	Invalid or missing API key.
403	`rich_limit:words_limit_reached`	Word quota exhausted.
404	`validation:batch_limit`	Number of texts exceeds the batch size limit for your plan.
429	—	Rate limit exceeded (requests per second).
500	`server:server`	Internal processing error.
500	`server:service_unavailable`	Timeout or service temporarily unavailable.

","urlObject":{"path":["api","v2","batch"],"host":["https://api.its-ai.org"],"query":[],"variable":[]}},"response":[{"id":"69d68b99-af44-4bc5-af63-29e5afee9279","name":"200","originalRequest":{"method":"POST","header":[{"key":"Content-Type","value":"application/json"},{"key":"Accept","value":"application/json"},{"key":"Authorization","value":"","description":"Added as a part of security scheme: apikey"}],"body":{"mode":"raw","raw":"{\n \"texts\": [\n \"string\",\n \"string\"\n ],\n \"api_key\": \"string\"\n}","options":{"raw":{"headerFamily":"json","language":"json"}}},"url":"https://api.its-ai.org/api/v2/batch"},"status":"OK","code":200,"_postman_previewlanguage":"json","header":[{"key":"Content-Type","value":"application/json"}],"cookie":[],"responseTime":null,"body":"{\n \"results\": [\n {\n \"ai_percentage\": 0.21,\n \"error\": {\n \"code\": \"string\",\n \"message\": \"string\"\n },\n \"probabilities\": {\n \"ai\": 0.42,\n \"ai_low\": 0.22,\n \"human\": 0.27,\n \"human_low\": 0.45\n },\n \"score\": 0.86,\n \"segments\": [\n 0.12, 0.58, 0.33, 0.74, 0.91,\n 0.26, 0.49, 0.65, 0.18, 0.82,\n 0.37, 0.69, 0.24, 0.88, 0.41,\n 0.57, 0.13, 0.52, 0.79, 0.31\n ]\n },\n {\n \"ai_percentage\": 0.67,\n \"error\": {\n \"code\": \"string\",\n \"message\": \"string\"\n },\n \"probabilities\": {\n \"ai\": 0.36,\n \"ai_low\": 0.92,\n \"human\": 0.58,\n \"human_low\": 0.36\n },\n \"score\": 0.27,\n \"segments\": [\n 0.39, 0.20, 0.61, 0.47, 0.73,\n 0.15, 0.55, 0.68, 0.22, 0.84,\n 0.33, 0.76, 0.29, 0.91, 0.44,\n 0.63, 0.18, 0.51, 0.78, 0.35\n ]\n }\n ]\n}"},{"id":"8c3c9935-63d8-4c0b-997f-57b6bea23f39","name":"401","originalRequest":{"method":"POST","header":[{"key":"Content-Type","value":"application/json"},{"key":"Accept","value":"application/json"},{"description":"Added as a part of security scheme: apikey","key":"Authorization","value":""}],"body":{"mode":"raw","raw":"{\n \"texts\": [\n \"string\",\n \"string\"\n ],\n \"deep_scan\": false,\n \"api_key\": \"string\"\n}","options":{"raw":{"headerFamily":"json","language":"json"}}},"url":"https://api.its-ai.org/api/v2/batch"},"status":"Unauthorized","code":401,"_postman_previewlanguage":"json","header":[{"key":"Content-Type","value":"application/json"}],"cookie":[],"responseTime":null,"body":"{\n \"error\": {\n \"code\": \"string\",\n \"message\": \"string\"\n },\n \"status\": \"string\"\n}"},{"id":"b656df9b-9ec2-4856-a551-2236aadee6db","name":"403","originalRequest":{"method":"POST","header":[{"key":"Content-Type","value":"application/json"},{"key":"Accept","value":"application/json"},{"description":"Added as a part of security scheme: apikey","key":"Authorization","value":""}],"body":{"mode":"raw","raw":"{\n \"texts\": [\n \"string\",\n \"string\"\n ],\n \"deep_scan\": false,\n \"api_key\": \"string\"\n}","options":{"raw":{"headerFamily":"json","language":"json"}}},"url":"https://api.its-ai.org/api/v2/batch"},"status":"Forbidden","code":403,"_postman_previewlanguage":"json","header":[{"key":"Content-Type","value":"application/json"}],"cookie":[],"responseTime":null,"body":"{\n \"error\": {\n \"code\": \"string\",\n \"message\": \"string\"\n },\n \"status\": \"string\"\n}"},{"id":"40cfdba5-0d1f-4aa8-9e03-5ad1da451dc2","name":"404","originalRequest":{"method":"POST","header":[{"key":"Content-Type","value":"application/json"},{"key":"Accept","value":"application/json"},{"description":"Added as a part of security scheme: apikey","key":"Authorization","value":""}],"body":{"mode":"raw","raw":"{\n \"texts\": [\n \"string\",\n \"string\"\n ],\n \"deep_scan\": false,\n \"api_key\": \"string\"\n}","options":{"raw":{"headerFamily":"json","language":"json"}}},"url":"https://api.its-ai.org/api/v2/batch"},"status":"Not Found","code":404,"_postman_previewlanguage":"json","header":[{"key":"Content-Type","value":"application/json"}],"cookie":[],"responseTime":null,"body":"{\n \"error\": {\n \"code\": \"string\",\n \"message\": \"string\"\n },\n \"status\": \"string\"\n}"}],"_postman_id":"fe3aa699-35f3-4929-bf52-879a1fef004a"}],"id":"7954b950-aadc-48c4-8a47-d61236caa84a","_postman_id":"7954b950-aadc-48c4-8a47-d61236caa84a","description":""},{"name":"v1","item":[{"name":"Analyze text","id":"c27c3838-c7c8-4bbd-9214-0700b8fc144a","protocolProfileBehavior":{"disableBodyPruning":true},"request":{"auth":{"type":"apikey","apikey":{"basicConfig":[{"key":"key","value":"Authorization"},{"key":"value","value":"{{apiKey}}"}]},"isInherited":false},"method":"POST","header":[{"key":"Content-Type","value":"application/json"},{"key":"Accept","value":"application/json"}],"body":{"mode":"raw","raw":"{\n \"text\": \"string\",\n \"deep_scan\": false,\n \"api_key\": \"string\"\n}","options":{"raw":{"headerFamily":"json","language":"json"}}},"url":"https://api.its-ai.org/api/text","description":"

Submit a single text for AI detection analysis.

Authenticate via Authorization: APIKey <your_key> header or api_key field in the request body.\nThe request is synchronous — it blocks until the analysis completes (up to 5 minutes).

Request fields

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

Field	Type	Required	Description
`text`	string	yes	The text to analyze. Minimum 200 characters, maximum depends on your subscription plan.
`deep_scan`	boolean	no	When `true`, the response includes per-sentence AI scores in `segmentation_tokens` (default: `false`). Deep scan uses more quota.
`api_key`	string	no	API key — alternative to the `Authorization` header.

Successful response (200)

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

Field	Type	Description
`answer`	float	Overall AI detection score from 0.0 (human) to 1.0 (AI).
`status`	string	`\"success\"` when the analysis completed normally.
`ai_percentage`	float	Fraction of text detected as AI-generated (0.0–1.0). Equals `probabilities.ai + probabilities.ai_low`.
`probabilities`	object	Fraction of AI-generated vs human-written sentences in the text.
`probabilities.ai`	float	Fraction of sentences confidently classified as AI-generated (0.0–1.0).
`probabilities.human`	float	Fraction of sentences confidently classified as human-written (0.0–1.0).
`probabilities.ai_low`	float	Fraction of sentences with low-confidence AI classification (0.0–1.0).
`probabilities.human_low`	float	Fraction of sentences with low-confidence human classification (0.0–1.0).
`segmentation_tokens`	float[]	Per-sentence AI scores. Populated only when `deep_scan=true`, otherwise empty array `[]`.

Error response

All errors follow the same format:

{\"status\": \"error\", \"error\": {\"code\": \"<type>:<code>\", \"message\": \"...\"}}\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

HTTP status	Code	When
401	`authentication_failed:api_key_does_not_exist`	Invalid or missing API key.
403	`rich_limit:words_limit_reached`	Word quota exhausted.
403	`rich_limit:text_exceeds_character_limit`	Text exceeds the maximum length for your plan.
404	`validation:low_words`	Text is shorter than 200 characters.
404	`validation:only_english`	Unsupported language detected.
404	`validation:no_text_provided`	`text` field is missing.
429	—	Rate limit exceeded (requests per second).
500	`server:service_unavailable`	Internal processing error or timeout.

","urlObject":{"path":["api","text"],"host":["https://api.its-ai.org"],"query":[],"variable":[]}},"response":[{"id":"8e03e551-0549-4cc7-8cee-46c01b1fc837","name":"200","originalRequest":{"method":"POST","header":[{"key":"Content-Type","value":"application/json"},{"key":"Accept","value":"application/json"},{"key":"Authorization","value":"","description":"Added as a part of security scheme: apikey"}],"body":{"mode":"raw","raw":"{\n \"text\": \"string\",\n \"deep_scan\": false,\n \"api_key\": \"string\"\n}","options":{"raw":{"headerFamily":"json","language":"json"}}},"url":"https://api.its-ai.org/api/text"},"status":"OK","code":200,"_postman_previewlanguage":"json","header":[{"key":"Content-Type","value":"application/json"}],"cookie":[],"responseTime":null,"body":"{\n \"answer\": 0.27,\n \"segmentation_tokens\": [\n 0.60, 0.40, 0.73, 0.28, 0.91,\n 0.35, 0.66, 0.18, 0.84, 0.49,\n 0.57, 0.22, 0.78, 0.31, 0.69,\n 0.14, 0.95, 0.43, 0.52, 0.87\n ],\n \"status\": \"success\"\n}"},{"id":"ea8ea293-17c8-4c4e-85ac-665da29159bf","name":"401","originalRequest":{"method":"POST","header":[{"key":"Content-Type","value":"application/json"},{"key":"Accept","value":"application/json"},{"key":"Authorization","value":"","description":"Added as a part of security scheme: apikey"}],"body":{"mode":"raw","raw":"{\n \"text\": \"string\",\n \"deep_scan\": false,\n \"api_key\": \"string\"\n}","options":{"raw":{"headerFamily":"json","language":"json"}}},"url":"https://api.its-ai.org/api/text"},"status":"Unauthorized","code":401,"_postman_previewlanguage":"json","header":[{"key":"Content-Type","value":"application/json"}],"cookie":[],"responseTime":null,"body":"{\n \"error\": {\n \"code\": \"string\",\n \"message\": \"string\"\n },\n \"status\": \"error\"\n}"},{"id":"3af298fd-34d0-467d-b770-6664c855c80d","name":"403","originalRequest":{"method":"POST","header":[{"key":"Content-Type","value":"application/json"},{"key":"Accept","value":"application/json"},{"key":"Authorization","value":"","description":"Added as a part of security scheme: apikey"}],"body":{"mode":"raw","raw":"{\n \"text\": \"string\",\n \"deep_scan\": false,\n \"api_key\": \"string\"\n}","options":{"raw":{"headerFamily":"json","language":"json"}}},"url":"https://api.its-ai.org/api/text"},"status":"Forbidden","code":403,"_postman_previewlanguage":"json","header":[{"key":"Content-Type","value":"application/json"}],"cookie":[],"responseTime":null,"body":"{\n \"error\": {\n \"code\": \"string\",\n \"message\": \"string\"\n },\n \"status\": \"error\"\n}"},{"id":"a2525999-6912-475e-8d96-9df809424b9a","name":"404","originalRequest":{"method":"POST","header":[{"key":"Content-Type","value":"application/json"},{"key":"Accept","value":"application/json"},{"key":"Authorization","value":"","description":"Added as a part of security scheme: apikey"}],"body":{"mode":"raw","raw":"{\n \"text\": \"string\",\n \"deep_scan\": false,\n \"api_key\": \"string\"\n}","options":{"raw":{"headerFamily":"json","language":"json"}}},"url":"https://api.its-ai.org/api/text"},"status":"Not Found","code":404,"_postman_previewlanguage":"json","header":[{"key":"Content-Type","value":"application/json"}],"cookie":[],"responseTime":null,"body":"{\n \"error\": {\n \"code\": \"string\",\n \"message\": \"string\"\n },\n \"status\": \"error\"\n}"}],"_postman_id":"c27c3838-c7c8-4bbd-9214-0700b8fc144a"},{"name":"Batch analyze texts","id":"6535377a-4655-4c81-84d2-243b46aad3b5","protocolProfileBehavior":{"disableBodyPruning":true},"request":{"auth":{"type":"apikey","apikey":{"basicConfig":[{"key":"key","value":"Authorization"},{"key":"value","value":"{{apiKey}}"}]},"isInherited":false},"method":"POST","header":[{"key":"Content-Type","value":"application/json"},{"key":"Accept","value":"application/json"}],"body":{"mode":"raw","raw":"{\n \"texts\": [\n \"string\",\n \"string\"\n ],\n \"deep_scan\": false,\n \"api_key\": \"string\"\n}","options":{"raw":{"headerFamily":"json","language":"json"}}},"url":"https://api.its-ai.org/api/batch","description":"

Submit multiple texts for AI detection analysis in a single request.

Authenticate via Authorization: APIKey <your_key> header or api_key field in the request body.\nThe request is synchronous — it blocks until all analyses complete (up to 5 minutes).

Request fields

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

Field	Type	Required	Description
`texts`	string[]	yes	List of texts to analyze. Each text must be at least 200 characters and not exceed the maximum length for your plan.
`deep_scan`	boolean	no	When `true`, each result includes per-sentence AI scores in `segmentation_tokens` (default: `false`). Deep scan uses more quota.
`api_key`	string	no	API key — alternative to the `Authorization` header.

Batch size limits by plan:

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

Plan	Max texts per request
Free	3
Plus	10
Premium	25
Pro	50
Enterprise	250

Successful response (200)

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

Field	Type	Description
`answer`	object[]	Array of results, one per submitted text, in the same order.
`answer[].text`	string	The original submitted text.
`answer[].answer`	float	Overall AI detection score from 0.0 (human) to 1.0 (AI).
`answer[].ai_percentage`	float	Fraction of text detected as AI-generated (0.0–1.0). Equals `probabilities.ai + probabilities.ai_low`.
`answer[].probabilities`	object	Fraction of AI-generated vs human-written sentences in the text.
`answer[].probabilities.ai`	float	Fraction of sentences confidently classified as AI-generated (0.0–1.0).
`answer[].probabilities.human`	float	Fraction of sentences confidently classified as human-written (0.0–1.0).
`answer[].probabilities.ai_low`	float	Fraction of sentences with low-confidence AI classification (0.0–1.0).
`answer[].probabilities.human_low`	float	Fraction of sentences with low-confidence human classification (0.0–1.0).
`answer[].segmentation_tokens`	float[]	Per-sentence AI scores. Populated only when `deep_scan=true`, otherwise empty array `[]`.
`error`	string\|null	`null` on success.

Error response

All errors follow the same format:

{\"status\": \"error\", \"error\": {\"code\": \"<type>:<code>\", \"message\": \"...\"}}\n

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HTTP status	Code	When
401	`authentication_failed:api_key_does_not_exist`	Invalid or missing API key.
403	`rich_limit:words_limit_reached`	Word quota exhausted.
403	`rich_limit:text_exceeds_max_length`	A text exceeds the maximum length for your plan.
404	`validation:low_words`	A text is shorter than 200 characters.
404	`validation:batch_limit`	Number of texts exceeds the batch size limit for your plan.
429	—	Rate limit exceeded (requests per second).
500	`server:server`	Internal processing error.
500	`server:service_unavailable`	Timeout or service temporarily unavailable.

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