GPTZero API Integration

Overview

GPTZero is a specialized AI content detection service providing per-document and per-sentence AI probability scores. It detects output from GPT-family, Claude, Gemini, and other LLMs.

• API base URL: https://api.gptzero.me/v2
• Auth: x-api-key header
• Docs: https://gptzero.me/docs

Instructions

Authentication

Set GPTZERO_API_KEY in your environment, then use it in the x-api-key header for all requests.

Single Text Analysis — POST /v2/predict/text