Acing the Hands-On Portion of the Auth0 Developer Exam

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You are preparing for the Auth0 Certified Developer exam and need guidance on the hands-on portion, which comprises approximately 50% of the assessment.

The Auth0 Certified Developer exam is heavily practical, requiring you to work directly in a live Auth0 tenant to implement authentication flows, configure applications and APIs, and customize Universal Login. Success requires hands-on experience with real-world configuration and troubleshooting tasks, not just theoretical knowledge.

What to Expect on the Hands-On Section

You will work within an Auth0 tenant to configure applications and first-party APIs, customize Universal Login branding, create Actions for token enrichment, and implement role-based access control (RBAC) and multi-factor authentication (MFA). Part II of the exam requires local coding in your preferred language (Node.js, .NET, Java, etc.), so ensure your machine has the necessary runtime and IDE installed and working before the exam begins. You will run a quickstart application locally against a live Auth0 tenant.

Essential Topics to Know

Application and Tenant Configuration: Select the correct application type and configure callback URLs, logout URLs, and allowed web origins correctly. Understand how misconfigured application settings directly impact authentication flows.

First-Party APIs and RBAC: Register a first-party API in Auth0, enable RBAC for the API, create permissions and assign them to roles, and assign roles to users. Validate that permissions appear in access tokens.

Auth0 Actions: Create and deploy Login or Post-Login Actions. Add custom claims to ID tokens and access tokens using properly namespaced claims. Access user roles and metadata within Actions.

Universal Login Customization: Customize Universal Login branding (logo, colors, background). Understand the difference between Classic and New Universal Login. Know where branding and customization options are located in the Auth0 Dashboard.

Multi-Factor Authentication (MFA): Enable MFA for your Auth0 tenant, configure MFA factors (such as OTP or Email), apply MFA policies, and validate MFA enforcement during login.

Official Preparation Resources

  1. Review the Auth0 Developer Exam Study Guide, which provides direct access to the skills and competencies aligned with exam topics, including exam structure, topic domain weightings, supported authentication and authorization flows, and practical expertise required for certification.

  2. Complete the Auth0 Developer Standard Practice Exam to become familiar with the exam format and question style. This exam closely simulates the difficulty and structure of the actual certification exam.

  3. Take the Auth0 Developer Premier Practice Exam for deeper, more realistic hands-on scenarios. This exam mirrors the real exam experience most closely in both content and format.

  4. Practice repeatedly in live Auth0 tenants. The most effective preparation follows this sequence: Study Guide → Standard Practice Exam → Premier Practice Exam → Repeated practice in live tenants.

Hands-On Troubleshooting Checklist

If a configuration does not work as expected, verify the following:

  • The correct application type is selected.
  • Application URIs are appropriately configured.
  • Required scopes are defined, assigned, and requested.
  • Permissions are included in the access token.
  • Roles are assigned to the correct users.
  • Actions are deployed and error-free.
  • MFA policies are not unintentionally blocking authentication.

Final Guidance

To succeed on the exam, you must be comfortable building and diagnosing OIDC and OAuth 2.0 flows, API access control, Auth0 SDKs and Management API usage, token scope management, user and role administration, application configuration, and the Auth0 API Explorer. Follow the structured preparation sequence above, and prioritize hands-on practice in live tenants to develop the practical expertise required for certification.

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Thanks for sharing, Monika! This is a great guide for those who want to or are currently pursuing an Auth0 Developer Certification! :clap:

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thnx !! this is sensational!!

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Hi @pranavijillellamudi
If you haven’t already, please email certification@okta.com. The team will help reschedule your exam. The issue you reported has been resolved.

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For the Auth0 Certified Developer Exam hands-on section, when an instruction asks me to perform a task programmatically using the Auth0 Management API v2, am I permitted to use the Postman desktop application to send the Management API request, instead of the browser-based Auth0 Management API Explorer? The current Management API documentation interface does not allow me to conveniently enter the required JSON request body.

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Hi @mitapala -
Yes, you can use Postman Desktop to send the Auth0 Management API v2 request instead of the browser-based Management API Explorer.

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