classifier.dev

Zero-shot text classification over plain HTTP, no API key or signup

PlatformWebfreemium

classifier.dev is a free zero-shot text classification API that returns a label and confidence score for any piece of text against custom labels, with no signup or API key required. It runs as a single Cloudflare Worker and is also available as a CLI and MCP server, aimed at developers who need quick text classification without training or hosting their own model.

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