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SAWO Labs

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Integrate passwordless authentication to simplify app login.

APIDeveloper ToolsAuth: API KeyFree
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Updated 2026-06-15

What is SAWO Labs?

SAWO Labs is an API-based service for implementing passwordless authentication in software applications.

It is useful for developers seeking to add secure login mechanisms without passwords to their apps.

What you can build with SAWO Labs

Web app passwordless login

Replace traditional username/password forms in web apps by calling the SAWO Labs API to generate and verify one-time login links or codes over HTTPS.

Mobile onboarding flow

Embed simplified authentication into mobile apps so users can sign in without creating or managing passwords, using the API key for each request.

SaaS multi-tenant auth

Add quick, password-free user access across different tenant workspaces in a SaaS product while keeping all calls authenticated via the provided API key.

Get started with SAWO Labs

  1. 1Sign up on the SAWO Labs site and copy your API key
  2. 2Read the endpoint reference in the official docs
  3. 3Add the API key to the Authorization header of HTTPS calls
  4. 4Wire the login endpoints into your frontend or mobile code
  5. 5Test a full auth cycle in a staging environment before going live

SAWO Labs: pros & cons

Pros

  • +No password storage or reset flows needed
  • +Lightweight API-key auth over HTTPS
  • +Fast to drop into existing login screens

Cons

  • Service availability tied to SAWO Labs uptime
  • Usage costs may apply beyond free tier
  • Only supports passwordless flows, not other auth methods
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Frequently asked questions

SAWO Labs is an API service that lets developers add passwordless authentication to apps using an API key over HTTPS.

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