What is the Perspective API base URL?

The Perspective API base URL is https://perspectiveapi.com

Perspective API

by Perspective Free tier

NLP API to return probability that if text is toxic, obscene, insulting or threatening

Quick Reference

Base URL https://perspectiveapi.com Auth type API Key Header Auth header Authorization: Bearer YOUR_TOKEN Rate limit 1 req/s (free); higher on request Pricing Enterprise / contact sales Free quota None Documentation https://perspectiveapi.com Endpoint status Live — HTTP 200 — endpoint is accessible2.05s (checked Mar 29, 2026) Builder score D 28% builder-friendly

Pricing

Latency

Depth

Authentication

See documentation for auth details

Authorization: Bearer YOUR_TOKEN

Pricing

Model subscription Starting price Enterprise / contact sales Free quota None

Free with Google account. Designed for non-commercial/research use; commercial requires approval.

Key Endpoints

Method	Path	Description
GET	`/`	See documentation for endpoint reference

Sample Request

curl 'https://perspectiveapi.com'

Sample Response

{}

Data sourced from API Map. Always verify pricing and rate limits against the official Perspective documentation.