API ACCESS & INTEGRATION GUIDE

Buy Turnitin API: Pricing, Access & Integration

Looking to buy Turnitin API access for plagiarism detection, similarity reports or academic software integration? Explore official licensing requirements, API pricing considerations, developer integration options and independent alternatives. Find the right solution for your institution, business or application.

API Licensing Guidance Pricing Explained Integration Resources

AiTurnPro is an independent service and is not affiliated with or endorsed by Turnitin. Official Turnitin API licensing is subject to Turnitin's authorisation. The pricing link displays AiTurnPro's published plans, not a confirmed official Turnitin API quotation.

Turnitin AI checking illustration showing plagiarism and AI writing detection
Understand similarity checking, API access and integration
Turnitin API Buying Guide

Can You Buy Turnitin API Access Directly?

Yes, eligible organisations can obtain official Turnitin integration access through applicable institutional licensing or authorised partnership arrangements. However, purchasing API access is different from buying a standard plagiarism check. Understanding the available routes can help you avoid unauthorised API-key sellers, unexpected licensing restrictions and integration problems.

How Official Turnitin API Access Works

Turnitin Core API (TCA) enables authorised software integrations. Access requires an appropriate licensed account and the credentials provisioned for that integration.

  1. 01
    Identify your organisation's needs

    Determine whether you need similarity checking for an institution, integration into a learning management system, or a commercial software product.

  2. 02
    Contact Turnitin about eligibility

    Request institutional licensing information or explore its partner programme. The appropriate purchasing route depends on your organisation and intended use.

  3. 03
    Confirm licensing and pricing

    Review applicable products, permitted integrations, commercial-use rights, subscription charges, data handling and any implementation requirements.

  4. 04
    Configure the API integration

    Once access is provisioned, an authorised administrator can configure an integration instance and generate an API key within the relevant Turnitin tenant.

  5. 05
    Test document and report workflows

    Validate authentication, uploads, processing webhooks, similarity reports, viewer permissions and any required end-user licence acceptance.

Which API Purchasing Route Fits You?

Not every customer needs the same type of licence. Choose a route based on your actual application and document-checking requirements.

Universities & Institutions

Explore institutional subscription arrangements and determine whether the required integration capabilities are included in the selected product.

Developers & EdTech Providers

If your software will serve institutions using Turnitin, investigate authorised integration or independent software vendor partnership arrangements.

Researchers & Individual Users

If you only need to check documents, an API licence may be unnecessary. Consider institution-provided access or an independent document-checking service instead.

Commercial SaaS Platforms

Confirm whether your proposed integration, customer access model and any commercial distribution rights are permitted under an appropriate agreement.

Buyer Type Potential Access Route Important Consideration
Educational Institution Institutional licence Verify API product entitlements and integration scope.
EdTech / LMS Vendor Authorised integration or partnership Confirm customer licensing, provisioning and certification requirements.
Commercial Software Business Applicable Turnitin partnership agreement Establish whether the proposed commercial model is authorised.
Individual Researcher Institutional access or document-checking service Individual document checks do not necessarily require an API.

Need a Practical Document-Checking Solution?

Explore AiTurnPro's independent services and published plans without purchasing an official Turnitin API licence.

Sources: Turnitin subscription purchasing guide | Turnitin partner programme | Turnitin Core API FAQ . AiTurnPro is independent of and is not endorsed by Turnitin. The pricing button leads to AiTurnPro's published pricing page, which should be verified before describing it as API pricing.

API Technology Explained

What Is the Turnitin API and How Does It Work?

The Turnitin Core API (TCA) is a REST-based integration interface that enables authorised applications to submit documents, initiate similarity checks and display originality reports within their own software environment. Instead of manually uploading every document through a separate platform, institutions and developers can automate submission processing using API requests, webhooks and report-viewing functionality. Official API access and available comparison repositories depend on the applicable Turnitin licence.

Turnitin API Architecture

A simplified view of how document submissions move through an authorised integration.

API-driven document submission and reporting

Turnitin API Integration: 6 Core Steps

Understanding this lifecycle helps developers plan an integration before obtaining API access.

  1. 01

    Create a Document Submission

    Your backend sends a request containing the required submission metadata. The API returns a unique submission identifier for subsequent operations.

    Create Submission
  2. 02

    Upload the Document

    Upload the file associated with the submission ID. Implement appropriate validation for file formats, size limits and upload failures.

    Upload Submission
  3. 03

    Receive Processing Confirmation

    Turnitin processes the uploaded document asynchronously. A webhook can notify the application when processing completes. Status polling can provide a fallback.

    Submission Complete Webhook
  4. 04

    Request a Similarity Report

    After submission processing, request report generation with the applicable repository search settings, indexing options and other permitted parameters.

    Generate Similarity Report
  5. 05

    Wait for the Report to Complete

    Similarity generation is also asynchronous. Use the report-completion webhook or supported status checks before enabling report access.

    Similarity Complete Webhook
  6. 06

    Launch the Similarity Report Viewer

    Request a viewer launch URL with the appropriate user identity and permissions. The authorised user can then examine matching text and source information.

    Create Viewer Launch URL

Key Capabilities of the Turnitin Core API

Similarity Reports

Generate reports identifying text similarities against comparison sources available under the relevant licence and configuration.

Asynchronous Processing

Manage document uploads and report generation without requiring users to hold a synchronous request open until processing finishes.

Automated Submission

Integrate document submission into an LMS, publishing workflow or custom application using authenticated REST API requests.

Repository Configuration

Configure eligible repository searches, submission indexing and report options according to the integration's entitlements.

Event Notifications

Webhooks notify your backend of submission and report status changes. Retry and polling logic improve operational resilience.

Controlled Report Access

Viewer identities, permission settings and end-user licence acceptance help manage who can access similarity reports.

Explore AI & Similarity Checking Solutions

Start with AiTurnPro's document-checking service or review its published pricing plans.

Technical references: Turnitin Core API workflow | Integration certification review | Webhook and retry best practices . AiTurnPro is an independent service, not an official Turnitin API reseller. Its pricing page must not be represented as official Turnitin API pricing.

API Pricing & Licensing Guide

Turnitin API Pricing: How Much Does API Access Cost?

There is no single publicly advertised Turnitin Core API price applicable to every institution or commercial integration. Official Turnitin subscription quotations depend on organisational requirements, selected products and licensing arrangements. Before you buy Turnitin API access, compare licence fees, implementation requirements, usage allowances and ongoing operational expenses. Understanding the total cost is more useful than relying on an unverified price per document.

Official Turnitin API

Request a Quote

Official access is subject to the relevant subscription, licensing entitlements and integration agreement.

No universal public TCA price is established here.

Independent API Providers

Varies by Vendor

Some providers offer usage-based billing, prepaid credits or negotiated enterprise agreements.

Verify actual API availability and document coverage.

AiTurnPro Document Scans

$1 / Scan

Published credit packages include AI writing and plagiarism/similarity checking for an eligible document.

Document-scanning price, not an API licence or API rate.

What Determines Turnitin API Licensing Costs?

Review these commercial and technical factors before requesting a formal quotation.

1. Organisation Size and Licence Scope

Institutional size, intended user groups and required services can influence the quotation. Confirm the applicable licensing basis with the vendor instead of assuming per-user pricing.

2. Products and API Entitlements

Similarity reports, repository access, indexing controls, integrations and additional product capabilities may have different licence requirements.

3. Document Volume and Usage Terms

Ask whether there are volume allowances, document limits, minimum commitments, overage charges or other usage restrictions. Do not assume a particular billing unit.

4. Development and Integration

Budget for authentication, document uploads, webhooks, report viewing, error handling, security reviews and integration testing.

5. Contract Duration and Support

Assess subscription commitments, renewal terms, integration support, account management and service-level provisions.

6. Compliance and Data Protection

Consider data-processing agreements, retention policies, legal review, security controls and institutional compliance obligations.

Plagiarism API Cost Calculator

Model a hypothetical usage-based API proposal to evaluate costs before requesting a quote.

Illustrative calculator only. Values are example assumptions and are not Turnitin API prices or AiTurnPro API quotations.
10,000
1,000 100,000
Monthly Usage Cost $5,000
Estimated First-Year Cost $63,200
First-Year Documents 120,000
Effective First-Year Cost / Scan $0.53

First-year total = (monthly documents × assumed scan price × 12) + setup + (monthly support × 12) + annual licence fee. This model excludes taxes, additional overages and other unentered costs.

Compare Common Plagiarism Detection Pricing Models

Pricing Model How It Works Suitable Use Case Consideration
Institutional Licence Custom agreement covering selected products, organisation requirements and licensing terms. Universities and large organisations Request a Quote
Usage-Based API Pay according to the vendor's defined unit of usage. SaaS products with variable demand Check minimums, rate limits and overages.
Prepaid Credits Purchase a balance of document checks for use under the provider's terms. Occasional or predictable workloads Check expiry, file limits and refund rules.
Enterprise Contract Negotiate capacity, support, permitted integration and service commitments. Large-volume commercial deployments Compare total cost and contractual restrictions.
AiTurnPro Document Scans Published credit packages provide eligible AI and plagiarism document checks. Users who need reports without API integration $1 per Eligible Scan

Questions to Ask Before Purchasing an API Licence

  • Is the quote for official Turnitin API access or a separate plagiarism detection platform?
  • Which products, repositories and report capabilities are included?
  • How are submissions counted and billed?
  • Are API credentials and a test environment provided?
  • Are integration, certification and technical support costs included?
  • Can the API be used in commercial software serving multiple customers?
  • What happens to submitted documents after processing or account termination?
  • What are the renewal, cancellation and additional-usage terms?

Need Document Checks Without an API Integration?

Explore AiTurnPro's independent AI and similarity scanning plans. Pricing shown is for document scans.

Sources: Official Turnitin Subscription Guide | Turnitin Licence Information | AiTurnPro Published Pricing . AiTurnPro is independent of Turnitin. Its document pricing does not constitute an official Turnitin API quotation.

Turnitin API Access & Developer Onboarding

How to Get a Turnitin API Key and Start Integrating

Obtaining a Turnitin API key involves more than registering an account. Your organisation must have an appropriate licence or authorised integration agreement, after which an administrator can configure an integration instance and generate credentials for its provisioned Turnitin tenant. Follow this practical onboarding roadmap to understand what happens before your first API request.

Quick Answer: Where Do You Get a Turnitin API Key?

Turnitin API credentials are generated within the administrator area of an authorised Turnitin tenant, under an integration instance. They are not unrestricted public API keys available for anyone to purchase individually. Access to the tenant, enabled services and API functionality depends on the applicable licensing arrangements.

Official Turnitin API Onboarding: Step by Step

01

Determine Your API Use Case

Define whether you need similarity detection within a university, learning management system, research platform or commercial SaaS application. Specify the expected document volume, integration architecture and intended user groups.

Procurement Planning
02

Apply for Appropriate Licensing

Contact Turnitin regarding an institutional subscription or suitable partnership arrangement. Confirm that the licence supports the required Turnitin Core API functionality and commercial use case.

Explore official Turnitin partnerships ↗
Licence Authorisation
03

Obtain Your Turnitin Tenant Details

Following authorisation and provisioning, obtain your organisation's tenant-specific Turnitin URL and administrator access. Each tenant has its own API environment. Example tenant addresses are illustrative, not shared public API endpoints.

Tenant Provisioning
04

Create an Integration Instance and API Key

In the authorised administrator environment, configure an integration instance for your application and generate its API key using Turnitin's instructions. Sandbox and production integration instances may be separate. Credentials are scoped to their integration instance.

Credential Configuration
05

Configure Authentication and Features

Store credentials securely on your backend, authenticate requests using the API key in an HTTP header and validate the connection with the Get Features Enabled request. Confirm permitted features, indexing settings, webhook registration and EULA requirements.

Development Environment
06

Implement Document Processing

Integrate submission creation, document upload, processing status, similarity report generation and report-viewer launch. Add webhook handling, retries, logging, user permissions and clear failure messages before deployment.

Integration Testing
07

Complete Review and Production Readiness

For applicable new customer or partner integrations, coordinate Turnitin's certification review. Be prepared to demonstrate configuration, document submissions, EULA handling and report access. Production provisioning may depend on the review and contractual arrangements.

Read certification review requirements ↗
Production Deployment

Can You Buy a Turnitin API Key From a Third Party?

Exercise caution when encountering websites offering instant Turnitin API keys, shared credentials or unrestricted API access at unusually low prices. Possession of a credential does not establish that the seller has the right to distribute it or that its use complies with Turnitin's licensing terms. For legitimate integration, obtain access through an appropriate Turnitin agreement and verify the permitted application, users and commercial distribution rights. Never upload confidential institutional documents through an unverified API.

Common Questions About Turnitin API Keys

Can I generate a Turnitin API key for free?

Generating credentials within an already authorised tenant is different from obtaining the underlying licence. Public documentation does not provide unrestricted free API access. Confirm the applicable account and licensing requirements with Turnitin.

Where is the Turnitin API key generated?

An authorised administrator creates the key within the relevant Turnitin tenant under an integration instance. Each integration instance has its own associated data and credentials.

Can one API key be used across several institutions?

Do not assume a single key can access multiple institutional accounts. Turnitin Core API credentials belong to integration instances within specific tenants. Multi-customer software should support the appropriate credentials and configuration for each licensed customer.

Do developers need a Turnitin sandbox?

A development or sandbox environment helps test authentication, document processing, callbacks and report viewing safely. Confirm sandbox access and provisioning with Turnitin as part of the onboarding and integration process.

Don't Need an API Integration?

Create an AiTurnPro account for independent document checking or review the published pricing plans.

Technical sources: Turnitin Core API Overview | API Keys and Integration Instances | Integration Configuration Guidance | Certification Review . AiTurnPro is independent of Turnitin. The linked AiTurnPro pricing page should not be described as official Turnitin API pricing.

Developer Documentation & API Workflow

Turnitin Core API Integration Guide for Developers

Integrating the Turnitin Core API requires a secure backend, authorised tenant credentials, document submission handling and asynchronous report processing. The REST-based API allows eligible software platforms to submit documents and provide users with access to similarity reports. This developer guide explains authentication, integration architecture, webhook handling and common implementation challenges before you buy Turnitin API access.

REST API HTTP requests with JSON metadata
API Key Authentication Tenant-specific authorisation
Asynchronous Processing Webhooks and status checks
Report Viewer Controlled similarity report access

Turnitin API Authentication Examples

Explore illustrative integration patterns for connecting a server-side application.

# Environment variables:
# TCA_BASE_URL=https://YOUR-TENANT.turnitin.com/api
# TCA_API_KEY=YOUR_SECRET_KEY

# Validate access using Get Features Enabled.
# Replace the placeholder path with its
# exact path from official API documentation.

curl -X GET \
  "$TCA_BASE_URL/FEATURES_ENDPOINT" \
  -H "Authorization: Bearer $TCA_API_KEY" \
  -H "Accept: application/json"

These examples illustrate backend authentication and error handling. FEATURES_ENDPOINT is a placeholder, not a live API path. Use the official Turnitin API reference for the exact endpoint, request schema and supported parameters. A valid licensed tenant and credentials are required.

Document Processing Lifecycle

The essential operations involved in obtaining a similarity report through an authorised API.

  1. 1

    Validate the API Connection

    Authenticate with the tenant API key. Call Get Features Enabled to determine licensed functionality and available settings.

  2. 2

    Create and Upload a Submission

    Create a submission with the required metadata, receive its unique identifier and upload the document with the correct filename and MIME-related metadata.

  3. 3

    Wait for Processing Confirmation

    Handle the SUBMISSION_COMPLETE webhook. If the event is delayed, check processing status through the supported submission information request.

  4. 4

    Generate the Similarity Report

    Request report generation and apply the licensed repository, indexing and exclusion settings required by the organisation.

  5. 5

    Wait for Similarity Completion

    Process the SIMILARITY_COMPLETE webhook or recover using the report information request if an event is missed.

  6. 6

    Provide the Report Viewer

    Request a viewer launch URL for an authorised user with appropriate permissions and any required EULA acceptance.

Webhook Handling

Webhooks allow the integration to react to completed submissions and reports. Validate incoming events, associate them with the correct tenant and submission, and process duplicate notifications idempotently.

Retry and Polling Strategy

Build a recoverable job queue. Turnitin recommends retry logic during disruptions and polling when expected webhooks are not received. Its guidance suggests polling after 30 minutes and at 30-minute intervals thereafter.

Security and Permissions

Never expose API credentials in frontend code. Protect stored tenant secrets, limit report access by user role, follow the applicable EULA workflow and prevent confidential document contents from leaking through diagnostic logs.

Common Turnitin API Integration Errors

Issue Possible Cause Recommended Action
401 Unauthorized Invalid, revoked or incorrectly configured credentials. Verify the API key, Bearer header and tenant URL.
403 Forbidden Insufficient permissions or unavailable functionality. Check user permissions and licensed feature availability.
451 EULA Required Submission user has not accepted the required agreement. Implement the applicable Turnitin EULA workflow.
Unsupported File Type File format or upload metadata fails validation. Validate extension, filename encoding and supported file types.
429 Too Many Requests Potential throttling or request-rate restriction. Respect server guidance, apply bounded backoff and avoid retry bursts.
5xx Server Error Potential temporary service or upstream failure. Use controlled retries, status recovery and monitoring.
Report Not Ready Asynchronous report processing has not completed. Wait for the completion event or use documented status polling.

Developer Note: Similarity Reports Are Not Raw Document-Comparison Data

The Turnitin Core API's standard workflow provides a report viewer for reviewing similarity results. Developers should not assume the entire report is returned as unrestricted raw JSON or that extracting data programmatically from the viewer is permitted. Turnitin explicitly advises against automated viewer scraping. Confirm supported programmatic report capabilities and the required permissions in the official documentation. Read the Turnitin API FAQ.

Explore AiTurnPro's Document Checking

AiTurnPro offers independent document scanning. Official Turnitin API integration requires separate authorised licensing.

Technical references: Turnitin Core API Overview | Retry and Polling Guidance | Integration Certification . AiTurnPro is not an official Turnitin API reseller. Its published document-scan pricing should not be interpreted as an official API quotation.

Technical Specifications & Buying Checklist

Turnitin Similarity API: Features, File Limits & Restrictions

Before purchasing Turnitin API access, developers and institutions should evaluate the supported file types, processing limits, repository settings and licensing restrictions. The Turnitin Core API supports automated document submission and similarity reporting, but not every feature is available under every agreement. Review these technical specifications to determine whether the platform meets your application's requirements.

100 MB Maximum File Upload Published TCA limit
800 Maximum Pages Published page restriction
2 MB Raw Text Limit Separate from upload size
REST API Architecture JSON metadata and HTTP requests

Turnitin Core API Technical Specifications

Specification Official API Capability Developer Consideration
API Architecture REST-based integration using HTTP and JSON. Build a secure backend for authentication and document processing.
Authentication API key associated with an authorised integration instance. Keep credentials private and use the correct tenant URL.
Maximum Upload Size 100 MB Reject oversized documents before requesting an upload.
Maximum Document Pages 800 Pages Check page counts in addition to file size.
Maximum Raw Text 2 MB Extracted text volume is subject to a separate limit.
Document Upload Content Type Binary/octet-stream upload as specified by the API documentation. Do not substitute an arbitrary multipart upload format.
Similarity Reports Asynchronous report generation and report-viewer access. Handle processing status, webhooks and viewer permissions.
Comparison Repositories Available sources depend on the licensed product and configuration. Check repository entitlements rather than assuming universal coverage.
Document Indexing Supported indexing controls for eligible workflows. Decide whether future submissions can match an uploaded document.
Report Exclusions Supported exclusion settings vary by product and licence. Read capabilities using Get Features Enabled.
Report Viewer Viewer launch URL for authorised report access. Do not scrape the viewer for undocumented raw report data.
End-User Agreement EULA acceptance may be required for submission and report access. Implement acceptance workflows when required by the tenant.

Supported Turnitin API File Formats

The official Turnitin Core API FAQ lists support for these document extensions. Actual processing also depends on the file's valid structure, content and applicable submission restrictions.

PDF DOC DOCX PPT PPTX PPS PPSX XLS XLSX TXT RTF HTML HTM ODT WPD PS HWP HWPX

Important API Restrictions to Understand

1. Repository Access Is Licence-Dependent

Available comparison sources may include internet content, publications and student submissions, depending on the licensed product. API availability alone does not guarantee access to every Turnitin repository.

2. Indexing Affects Future Matching

When indexing is enabled, a submission can become available for matching against future submissions. Institutions should choose indexing settings based on academic policy, permissions and data-retention requirements.

3. The Viewer Is Not a Raw Data Export API

Turnitin's standard report-viewing process uses an authorised viewer launch URL. Programmatically scraping the report viewer is not a supported method of obtaining similarity report content.

4. AI Detection Is a Separate Consideration

Similarity detection and AI writing detection serve different purposes. Confirm the availability, integration support and licensing of any AI detection features before making a procurement decision.

Turnitin API: Final Buying Questions

These answers address common concerns from universities, software developers and commercial organisations evaluating plagiarism detection APIs.

Can individuals buy Turnitin API access?

Official API access is linked to applicable organisational licensing and integration arrangements. Individuals seeking a one-time plagiarism report may find institution-provided access or a document-checking service more suitable.

Does the Turnitin API provide the same similarity scores as every Turnitin product?

Not necessarily. Results can depend on the licensed comparison repositories, submission indexing, exclusion settings and report configuration. Similarity scores should be interpreted within their particular context.

Can I use Turnitin API integration for a commercial SaaS platform?

Commercial integrations require an applicable authorised arrangement. Software vendors should clarify the intended business model, customer licensing, report permissions and distribution rights with Turnitin.

Can submitted papers be excluded from repository indexing?

The Core API supports indexing configuration. Where permitted by the integration and its licence, submissions can be configured not to enter the relevant matching index.

What happens if a report is delayed?

Document processing and report generation are asynchronous. Developers should process completion webhooks, check supported status endpoints and implement appropriate retry and recovery mechanisms.

Can I use AiTurnPro without buying the Turnitin API?

Yes. AiTurnPro offers independent document checking through its published plans. Using that service does not require purchasing an official Turnitin Core API licence. Its available capabilities and report provenance should be assessed separately from official Turnitin services.

Choose the Right Plagiarism Detection Solution

Ready to Explore Your Plagiarism Checking Options?

If your institution or software platform specifically requires official Turnitin similarity reports, review Turnitin's licensing and integration options. If you simply want to check documents for AI-generated content or plagiarism, explore AiTurnPro's independent scanning service and published credit packages. Choose a solution based on your actual requirements, budget and intended use.

Create Account → View API Pricing ↗ Explore Official Turnitin Partnerships ↗

AiTurnPro is an independent service and is not affiliated with or endorsed by Turnitin. Published AiTurnPro plans should not be treated as official Turnitin API quotations.

Explore AiTurnPro's Document-Checking Plans

Technical references: Turnitin Core API FAQ | API Settings and Repository Configuration | Integration Certification Guidance . File limits and API functionality should be reverified against official documentation before future technical updates.

Frequently Asked Questions

Buy Turnitin API: Frequently Asked Questions

Find clear answers about Turnitin API pricing, licence eligibility, API keys, integration requirements, plagiarism detection, file limits and alternatives. These questions cover what institutions, developers and software companies need to know before purchasing API access.

Quick Answer: Can You Buy the Turnitin API?

Official Turnitin API access is available through applicable institutional licensing and authorised integration arrangements. Turnitin does not advertise a universal pay-as-you-go Core API price for individual developers. Organisations should confirm eligibility, available features and commercial terms directly with Turnitin. Independent document-checking services are a separate option for users who do not require an API integration.

1. Can I buy Turnitin API access directly?

Eligible organisations can obtain official Turnitin API access through appropriate licensing or authorised integration arrangements. The purchasing process depends on the organisation, products and intended use. Institutions can contact Turnitin for a quotation, while commercial software vendors should investigate relevant partnership arrangements.

2. How much does the Turnitin API cost?

Turnitin does not publish one universal price for all Core API buyers. Subscription quotations are tailored to institutional requirements, selected products and licensing conditions. Buyers should also budget for integration development, security, support and operational maintenance.

See AiTurnPro's independent document-checking prices if you do not require official API integration.

3. Is there a free Turnitin API?

Turnitin does not advertise an unrestricted free public Core API for general use. Official integration requires authorised tenant credentials and applicable licensing. Institutions with existing agreements should check whether their subscription includes the required API functionality.

4. How can I get a Turnitin API key?

An authorised Turnitin administrator can create an API scope or integration instance and generate a corresponding API key in the account's integration settings. The key authenticates requests against the provisioned tenant. It must be stored securely and used only within the licensed integration.

5. Does Turnitin provide a REST API?

Yes. The Turnitin Core API provides REST-based integration for document submissions and similarity reporting. It uses HTTP requests, JSON metadata, API key authentication and asynchronous processing. Applications must implement document upload, report generation, status handling and authorised report viewing.

6. Can developers integrate Turnitin with Moodle or Canvas?

Yes. Turnitin provides supported integration options for learning management systems, including Moodle and Canvas. The specific integration method, administrative setup and available features depend on the chosen product, LMS and licensing arrangement. A custom API integration is not always necessary.

7. What is the maximum file size for the Turnitin API?

The official Turnitin Core API FAQ specifies a maximum file upload size of 100 MB, together with limits of 800 pages and 2 MB of raw text. Developers should validate documents before submission and verify current requirements against the official API documentation.

8. Which file formats does the Turnitin API support?

The Turnitin Core API supports several document formats, including PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX, TXT, RTF, HTML, ODT and certain additional formats. Successful processing also depends on file validity, extractable content, size restrictions and other API requirements.

9. Does the Turnitin API include AI writing detection?

Turnitin similarity detection and AI writing detection are separate capabilities. Having Core API access does not automatically guarantee access to AI writing detection through that integration. Confirm product entitlement, feature availability and API support directly with Turnitin before purchasing.

10. How long does Turnitin API report generation take?

Turnitin Core API document processing and similarity report generation are asynchronous. There is no universal completion time guaranteed for every submission. Actual processing depends on document characteristics and service conditions. Developers should use completion webhooks and documented status-checking mechanisms.

11. Can Turnitin API submissions avoid repository storage?

The Turnitin Core API provides submission indexing controls. When an authorised workflow permits indexing to be disabled, the document will not enter the relevant comparison index for future matching. This is different from guaranteeing immediate deletion of all stored processing data. Review the applicable retention policies.

12. Can a commercial SaaS company use the Turnitin API?

Commercial software companies should explore Turnitin's authorised partnership or integration arrangements. Permission to use an API does not automatically include permission to resell credentials, redistribute reports or provide unrestricted third-party access. Confirm the intended business model and contractual rights before building a commercial product.

13. What is the best alternative to the Turnitin API?

The best alternative depends on the required content coverage, API functionality, accuracy evaluation, price, security and commercial licensing rights. Compare independent plagiarism detection vendors on documented capabilities rather than assuming they reproduce Turnitin's proprietary database or generate identical similarity scores.

14. Can I check plagiarism without buying a Turnitin API licence?

Yes. An API is primarily useful when plagiarism checking must be integrated into another application. For individual document checks, users can consider institution-provided services or independent platforms such as AiTurnPro . Independent platforms should not be assumed to provide official Turnitin reports.

15. Does AiTurnPro sell official Turnitin API access?

AiTurnPro is an independent document-checking service and is not represented here as an authorised Turnitin API reseller. Its published plans cover document-scanning services rather than a verified official Turnitin API licence. Organisations requiring official Turnitin API integration should contact Turnitin through its authorised commercial channels.

Explore AiTurnPro Document Checking

References: Official Turnitin Purchasing Guide | Turnitin Core API FAQ | API Key Setup . AiTurnPro is independent of Turnitin.