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Natural Language Processing (NLP)Key Required

PerspectiveFree REST API

Perspective API: machine learning models scoring toxicity and harassment in text

API Docs

Developer Workbench & Live ConsoleKey Required

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Official Docs
GET
curl -X GET "https://perspectiveapi.com/api/v1/resource?apiKey=YOUR_API_KEY" \
  -H "Accept: application/json" \
  -H "Authorization: Bearer <YOUR_API_KEY>"
ResponseReady / Idle

Ready for Live Evaluation

Click [ Send Request ] to dispatch a real request via FreeAPI proxy and inspect real JSON payloads.

Rate Limit
Variable
Auth Mode
Key Required
Security & CORS
HTTPS • CORS Ready
Protocol
REST / JSON

An external API key is required to authenticate requests with Perspective. Allowance: Variable.

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Bright Data
Web Unlocker & Proxies
COMPANION DEVELOPER TOOL0ms Client Sandbox

Text Readability & Content Metrics Analyzer

Calculate Flesch Reading Ease, Grade Level, Gunning Fog index, syllable counts, and reading durations in real time.

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Interactive Web Tool Available

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Frequently Asked Questions (FAQ)

Technical and integration answers for Perspective.

Yes, Perspective is listed as a free endpoint on FreeAPI Directory with an allowance of: Variable.
Official Service Provider Ownership: Perspective

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