Quetext Plagiarism API

https://www.quetext.com/api-docs
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Quetext Plagiarism API allows developers to scan text and documents for plagiarism and AI-generated...
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### PDF Content-Disposition header example

Source: https://www.quetext.com/api-docs/quetext-plagiarism-api-v2.yaml

Example of the Content-Disposition header returned when downloading an AI-detection report as a PDF.

```http
'attachment; filename="account-report-ai-2026-05-29.pdf"'
```

--------------------------------

### Create Plagiarism Report Request Example

Source: https://www.quetext.com/api-docs/quetext-plagiarism-api-v2.yaml

Example JSON payload for submitting text to the plagiarism analysis endpoint.

```json
{
  "text": "The quick brown fox jumps over the lazy dog. This sentence is a classic example used for typing practice because it contains every letter of the English alphabet. Plagiarism detection systems analyze text against billions of web pages to find matching or paraphrased content."
}
```

--------------------------------

### GET /v2/plan

Source: https://www.quetext.com/api-docs

Retrieves account plan and API balance information.

```APIDOC
## GET /v2/plan

### Description
Returns the current account plan details and remaining API word balance.

### Method
GET

### Endpoint
/v2/plan
```

--------------------------------

### GET /v2/reports

Source: https://www.quetext.com/api-docs

Lists all reports associated with the account.

```APIDOC
## GET /v2/reports

### Description
Retrieves a list of all reports created by the account.

### Method
GET

### Endpoint
/v2/reports
```

--------------------------------

### Create AI-detection report request sample

Source: https://www.quetext.com/api-docs/quetext-plagiarism-api-v2.yaml

Example JSON payload for initiating an AI-detection report.

```json
{
  "text": "The quick brown fox jumps over the lazy dog. This sentence is a classic example used for typing practice because it contains every letter of the English alphabet. AI content detectors analyze writing patterns to estimate the probability that text was machine-generated."
}
```

--------------------------------

### GET /v2/ai-detect-report/{id}/pdf

Source: https://www.quetext.com/api-docs

Downloads an AI-detection report as a PDF file.

```APIDOC
## GET /v2/ai-detect-report/{id}/pdf

### Description
Downloads the specified AI-detection report in PDF format.

### Method
GET

### Endpoint
/v2/ai-detect-report/{id}/pdf

### Parameters
#### Path Parameters
- **id** (string) - Required - The unique identifier of the report.
```

--------------------------------

### GET /v2/plan

Source: https://www.quetext.com/api-docs/quetext-plagiarism-api-v2.yaml

Returns the calling account's plan tier and any per-plan quota fields.

```APIDOC
## GET /v2/plan

### Description
Returns the calling account's plan tier and any per-plan quota fields. Use this to sanity-check your API key is wired to the right account.

### Method
GET

### Endpoint
/v2/plan
```

--------------------------------

### GET /v2/report/{id}/pdf

Source: https://www.quetext.com/api-docs/quetext-plagiarism-api-v2.yaml

Download the report as a PDF. Re-downloads are free.

```APIDOC
## GET /v2/report/{id}/pdf

### Description
Download the report as a PDF. Re-downloads are free (no wallet deduction — the credits were charged when the report was created).

### Method
GET

### Endpoint
/v2/report/{id}/pdf

### Parameters
#### Path Parameters
- **id** (string) - Required - The numeric ID of the report.
```

--------------------------------

### GET /v2/ai-detect-report/{id}

Source: https://www.quetext.com/api-docs

Retrieves an AI-detection report by its unique identifier.

```APIDOC
## GET /v2/ai-detect-report/{id}

### Description
Fetches the details of a specific AI-detection report.

### Method
GET

### Endpoint
/v2/ai-detect-report/{id}

### Parameters
#### Path Parameters
- **id** (string) - Required - The unique identifier of the report.
```

--------------------------------

### GET /v2/report-progress/{id}

Source: https://www.quetext.com/api-docs

Checks the processing progress of a report.

```APIDOC
## GET /v2/report-progress/{id}

### Description
Checks the current status and progress of a report generation.

### Method
GET

### Endpoint
/v2/report-progress/{id}

### Parameters
#### Path Parameters
- **id** (string) - Required - The unique identifier of the report.
```

--------------------------------

### GET /v2/report/{id}/pdf

Source: https://www.quetext.com/api-docs

Downloads a plagiarism report as a PDF file.

```APIDOC
## GET /v2/report/{id}/pdf

### Description
Downloads the specified plagiarism report in PDF format.

### Method
GET

### Endpoint
/v2/report/{id}/pdf

### Parameters
#### Path Parameters
- **id** (string) - Required - The unique identifier of the report.
```

--------------------------------

### GET /v2/report-progress/{id}

Source: https://www.quetext.com/api-docs/quetext-plagiarism-api-v2.yaml

Poll this endpoint to know when analysis is finished.

```APIDOC
## GET /v2/report-progress/{id}

### Description
Poll this endpoint after Create plagiarism report to know when analysis is finished. Returns the report's processing state.

### Method
GET

### Endpoint
/v2/report-progress/{id}

### Parameters
#### Path Parameters
- **id** (string) - Required - The numeric ID of the report.
```

--------------------------------

### GET /v2/report/{id}

Source: https://www.quetext.com/api-docs

Retrieves a plagiarism report by its unique identifier.

```APIDOC
## GET /v2/report/{id}

### Description
Fetches the details of a specific plagiarism report.

### Method
GET

### Endpoint
/v2/report/{id}

### Parameters
#### Path Parameters
- **id** (string) - Required - The unique identifier of the report.
```

--------------------------------

### GET /v2/reports

Source: https://www.quetext.com/api-docs/quetext-plagiarism-api-v2.yaml

Lists plagiarism reports owned by the account associated with the API key.

```APIDOC
## GET /v2/reports

### Description
List plagiarism reports owned by this API key's account, most recent first.

### Method
GET

### Endpoint
/v2/reports
```

--------------------------------

### GET /v2/report/{id}

Source: https://www.quetext.com/api-docs/quetext-plagiarism-api-v2.yaml

Fetch a single report (matches, sources, score) by its numeric id.

```APIDOC
## GET /v2/report/{id}

### Description
Fetch a single report (matches, sources, score) by its numeric id.

### Method
GET

### Endpoint
/v2/report/{id}

### Parameters
#### Path Parameters
- **id** (string) - Required - The numeric ID of the report.
```

--------------------------------

### POST /v2/ai-detect-report-file

Source: https://www.quetext.com/api-docs

Creates an AI-detection report from an uploaded file.

```APIDOC
## POST /v2/ai-detect-report-file

### Description
Creates an AI-detection report by uploading a file.

### Method
POST

### Endpoint
/v2/ai-detect-report-file
```

--------------------------------

### POST /v2/ai-detect-report

Source: https://www.quetext.com/api-docs

Creates an AI-detection report for the provided text.

```APIDOC
## POST /v2/ai-detect-report

### Description
Creates an AI-detection report for the provided text content.

### Method
POST

### Endpoint
/v2/ai-detect-report
```

--------------------------------

### API Specification Format

Source: https://www.quetext.com/api-docs

The specification format used for the API documentation.

```text
OAS 3.0
```

--------------------------------

### POST /v2/report

Source: https://www.quetext.com/api-docs/quetext-plagiarism-api-v2.yaml

Submit raw text for plagiarism analysis. Words are counted via the same tokenizer used by the dashboard, and charges are deducted from your API credits wallet upon a successful response.

```APIDOC
## POST /v2/report

### Description
Submit text for plagiarism analysis. Words are counted via the same tokenizer used by the dashboard.

### Method
POST

### Endpoint
/v2/report

### Request Body
- **text** (string) - Required - The text content to be analyzed for plagiarism.

### Request Example
{
  "text": "The quick brown fox jumps over the lazy dog. This sentence is a classic example used for typing practice because it contains every letter of the English alphabet. Plagiarism detection systems analyze text against billions of web pages to find matching or paraphrased content."
}

### Response
#### Success Response (200)
- **status** (boolean) - Indicates if the report was successfully queued.
- **data** (object) - Contains the report details.
```

--------------------------------

### POST /v2/report-file

Source: https://www.quetext.com/api-docs

Creates a new plagiarism report from an uploaded file.

```APIDOC
## POST /v2/report-file

### Description
Creates a new plagiarism report by uploading a file.

### Method
POST

### Endpoint
/v2/report-file
```

--------------------------------

### API Version

Source: https://www.quetext.com/api-docs

The current version of the Quetext Plagiarism API.

```text
 2.0.0 
```

--------------------------------

### POST /v2/report

Source: https://www.quetext.com/api-docs

Creates a new plagiarism report.

```APIDOC
## POST /v2/report

### Description
Creates a new plagiarism report for the provided text content.

### Method
POST

### Endpoint
/v2/report
```

--------------------------------

### Quetext API OpenAPI Specification

Source: https://www.quetext.com/api-docs/quetext-plagiarism-api-v2.yaml

The full OpenAPI 3.0.3 specification defining the Quetext Plagiarism API v2 structure, security, and endpoints.

```yaml
openapi: 3.0.3
info:
  title: Quetext Plagiarism API (v2)
  version: "2.0.0"
  description: |
    Public-facing Quetext Plagiarism API. Authenticated with an `x-api-key`
    header.

    ## Authentication
    Set your API key in the `x-api-key` header. Create one at
    Account → API Keys → Create.

    ## Pricing
    **$0.10 per 1,000 words.** Each report-creating call (`/v2/report` for
    plagiarism, `/v2/ai-detect-report` for AI detection) deducts from your
    API credits wallet on success. If your balance is too low, the response
    is HTTP 402 and **nothing is charged**.

    ## Responses
    - **200** — Success. Body: `{ status: true, data: ... }`
    - **401** — Invalid/missing `x-api-key` header.
    - **402** — Insufficient wallet credits. Body includes
      `{ code:402, data: { balance_words, needed_words } }`.
    - **403** — Endpoint not enabled on your account.
    - **500** — Upstream error (response still returns HTTP 200 but body has
      `code:500`).
  contact:
    name: Quetext Support
    url: https://www.quetext.com/contact

servers:
  - url: https://www.quetext.com/api
    description: Production
  - url: https://localhost:8800/api
    description: Local development

security:
  - ApiKeyAuth: []

tags:
  - name: Reports
    description: Create, list, fetch, download, and delete plagiarism reports.
  - name: Account
    description: Plan and wallet balance.
  - name: Negative tests
    description: Example failure cases for integration tests.

paths:
  /v2/report:
    post:
      tags: [Reports]
      summary: Create plagiarism report
      description: |
        Submit text for plagiarism analysis. Words are counted via the same
        tokenizer used by the dashboard.

        **Charges**: Deducted from your API credits wallet on a `status:true`
        response. If your balance is below the word count, the response is
        HTTP 402 and nothing is deducted.
      operationId: createReportV2
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateReportRequest'
            examples:
              sample:
                summary: Sample text
                value:
                  text: "The quick brown fox jumps over the lazy dog. This sentence is a classic example used for typing practice because it contains every letter of the English alphabet. Plagiarism detection systems analyze text against billions of web pages to find matching or paraphrased content."
      responses:
        '200':
          description: Report queued.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CreateReportSuccess'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '402':
          $ref: '#/components/responses/InsufficientBalance'
        '403':
          $ref: '#/components/responses/Forbidden'
        '500':
          $ref: '#/components/responses/ServerError'

  /v2/report-file:
    post:
      tags: [Reports]
      summary: Create plagiarism report from an uploaded file
      description: |
        Same as **Create plagiarism report**, but the input is an uploaded
        file instead of raw text. The file is converted to text server-side and
        then analysed. To check a file for AI-generated content instead, use
        **Create AI-detection report from an uploaded file**
        (`POST /v2/ai-detect-report-file`).

        **Upload format**: `multipart/form-data` with the file in the `file`
        field. Supported file types: plain-text (`.txt`), PDF (`.pdf`), and
        Microsoft Word (`.doc`, `.docx`). Maximum file size: **10 MB**.

        This endpoint always creates a plagiarism report. It does not accept
        AI-detection or combined plagiarism-and-AI options; use
        `POST /v2/ai-detect-report-file` for AI-generated-content checks.

        Optional form field `title` sets the report title.
```

--------------------------------

### DELETE /v2/report/{id}

Source: https://www.quetext.com/api-docs/quetext-plagiarism-api-v2.yaml

Soft-delete a report by id. The report no longer appears in List reports afterwards.

```APIDOC
## DELETE /v2/report/{id}

### Description
Soft-delete a report by id. The report no longer appears in List reports afterwards.

### Method
DELETE

### Endpoint
/v2/report/{id}

### Parameters
#### Path Parameters
- **id** (string) - Required - The numeric ID of the report.
```

--------------------------------

### DELETE /v2/report/{id}

Source: https://www.quetext.com/api-docs

Deletes a specific plagiarism report.

```APIDOC
## DELETE /v2/report/{id}

### Description
Deletes the report associated with the provided ID.

### Method
DELETE

### Endpoint
/v2/report/{id}

### Parameters
#### Path Parameters
- **id** (string) - Required - The unique identifier of the report.
```
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