Authsignal

Authsignal Client API

Browser / device-facing REST API for fully custom authentication UIs. Supports passkeys, authenticator apps, SMS / WhatsApp OTP, email OTP, magic links, and push challenges. Authenticated with short-lived client tokens issued by the Server API.

GitHub

Documentation

📖
Documentation
https://docs.authsignal.com/api-reference/client-api/overview

API entry from apis.yml

apis.yml Raw ↑ 
aid: authsignal:client-api
name: Authsignal Client API
description: Browser / device-facing REST API for fully custom authentication UIs. Supports passkeys,
  authenticator apps, SMS / WhatsApp OTP, email OTP, magic links, and push challenges. Authenticated with
  short-lived client tokens issued by the Server API.
humanURL: https://docs.authsignal.com/api-reference/client-api/overview
baseURL: https://api.authsignal.com
tags:
- REST
- Client
- Passkeys
- OTP
properties:
- type: Documentation
  url: https://docs.authsignal.com/api-reference/client-api/overview