# Turnitin (iParadigms)

> Turnitin is an education-technology company providing academic integrity, similarity checking, and grading products used by schools, universities, researchers, and publishers. It offers two programmatic integration surfaces for third-party platforms: a 1EdTech-certified LTI 1.3 / LTI Advantage integration, and the Turnitin Core API (TCA) — a RESTful API for submitting files, generating Similarity Reports, and displaying results in-workflow. TCA reference docs are credential-gated (existing customers and approved integration partners). Turnitin states SOC 2 compliance and operates international data centers. Gradescope is a Turnitin company.

## Developer
- [Turnitin Developer Portal](https://developers.turnitin.com/): Integration hub for LTI and the Turnitin Core API.
- [Turnitin Core API (TCA)](https://developers.turnitin.com/turnitin-core-api): RESTful similarity-checking API; reference is credential-gated.
- [Learning Tools Interoperability (LTI)](https://developers.turnitin.com/learning-tools-interoperability): LTI 1.3 / LTI Advantage certified integration.

## Product
- [Turnitin](https://www.turnitin.com/): Company website.
- [Blog](https://www.turnitin.com/blog/): Product and integrity research blog.
- [Help Center](https://helpcenter.turnitin.com/): Product help and guides.
- [Support](https://support.turnitin.com/): Customer support.

## Operations & Security
- [System Status](https://turnitin.statuspage.io/): Service status page.
- [Vulnerability Disclosure Policy](https://www.turnitin.com/vulnerability-disclosure-policy/): Coordinated disclosure program with Safe Harbor.
- [security.txt](https://www.turnitin.com/.well-known/security.txt): RFC 9116 security contact (vdp@turnitin.com).

## Legal
- [Privacy Policy](https://www.turnitin.com/privacy-policy-website/)
- [Terms of Use](https://www.turnitin.com/terms-of-use-website/)