API Directory

Userstack

Category Development
Authentication OAuth
HTTPS Yes
CORS unknown
Official URL https://userstack.com/?utm_source=Github&utm_medium=Referral&utm_campaign=Public-apis-repo-Best-sellers
Added Date 2026-04-01
Last Verified 2026-04-01

Description

Secure User-Agent String Lookup JSON API

Other APIs in Development

24 Pull Requests

Project to promote open source collaboration during December

No Auth HTTPS CORS: yes

Agify.io

Estimates the age from a first name

No Auth HTTPS CORS: yes

API Grátis

Multiples services and public APIs

No Auth HTTPS CORS: unknown

ApicAgent

Extract device details from user-agent string

No Auth HTTPS CORS: yes

ApiFlash

Chrome based screenshot API for developers

apiKey HTTPS CORS: unknown

APIs.guru

Wikipedia for Web APIs, OpenAPI/Swagger specs for public APIs

No Auth HTTPS CORS: unknown

Azure DevOps

The Azure DevOps basic components of a REST API request/response pair

apiKey HTTPS CORS: unknown

Base

Building quick backends

apiKey HTTPS CORS: yes

Beeceptor

Build a mock Rest API endpoint in seconds

No Auth HTTPS CORS: yes