Authentication provider migrations are hardLearn why

Migrate authentication providers with fewer surprises

AuthShepherd helps engineering teams understand migration risks and move users safely between authentication providers.

Auth0↔Supabase↔AWS Cognito↔FusionAuth↔Firebase↔Keycloak

The old way vs. AuthShepherd

Auth migrations usually end up
as critical throwaway code

Migrating authentication providers often starts small and quickly becomes critical infrastructure work. User data, passwords, identities, queues, rate limits, email flows, hooks, and application databases are all involved, and most problems appear at cutover when real users start logging in. Teams end up stitching together one-off scripts for something that cannot fail.

The old way

1Export users (partial fields, inconsistent identifiers)
2Write custom import scripts and mapping logic
3Build a job runner for batching & retries
4Fight provider rate limits and throttling
5Monitor long-running background jobs manually
6Handle password resets and user comms
7Untangle social logins & identity linking
8Rebuild hooks/rules/token claims
9Update local DB references (RBAC tables, external IDs)
10Cut over in production and hope nothing breaks

Common failure points

Rate-limits stall migrations mid-run
Retry storms or duplicate users
Jobs crash with no observability
No dry-run, no subset testing
Support load spikes after cutover

AuthShepherd

1Connect providers with least-privilege access
2Analyze users: activity, identities, risk flags, hooks
3Choose strategy: Bulk, Guided Reset, JIT, or Hybrid
4Dry-run + subset testing before full run
5Queue-based execution with batching, retries, and backoff
6Rate-limit aware runners per provider (safe throughput)
7Live progress, logs, and audit trail
8Branded comms: custom domain + email templates
9Callbacks/webhooks to sync your app database
10Post-migration report + follow-up actions

Built-in safety rails

Automatic batching & concurrency tuning
Retry with backoff, deduplication safeguards
Clear observability: logs, statuses, progress
Pause/resume and partial runs
Staging test runs first

Dry-run before production

Test with subsets and validate data before cutover

Rate-limit safe execution

Automatic batching and concurrency control per provider

Progress + audit logs

Real-time visibility into migration status and outcomes

Strategies that match user behavior

Choose the right approach based on your user base and requirements

See migration strategies

How a migration works with AuthShepherd

A clear, controlled path from your current provider to the new one. Test in staging first, then migrate with visibility and clear checkpoints.

Connect providers

Securely connect source and target providers with least-privilege access.

Sync and normalize users

Import user profiles and identities into a herd so you can analyze and plan consistently.

Analyze risks

Spot what could break: social identities, missing emails, risky hooks, and local DB dependencies.

Choose a strategy

Pick Bulk Reset, Guided Reset, JIT, or Hybrid based on user activity and risk.

Test in staging

Run a dry-run or a partial subset test to validate mappings, rate limits, and callbacks.

Run the migration

Execute queue-based jobs with batching, retries, and rate-limit-aware throughput. Track progress in real time.

Verify and close out

Confirm users can authenticate, audit logs look clean, and your app DB has been synced. Generate a post-migration report.

Learn more about how it works

Migration Strategies

There's no single "right" migration strategy

Each strategy balances user impact, operational risk, and implementation effort differently. The right choice depends on your user base, authentication setup, and how much disruption you can tolerate during cutover.

Bulk Password Reset

Export all users, import into new provider, then guide users through password reset. Best for smaller user bases or when you can tolerate some friction.

Guided Password Reset

Send branded emails to guide users through password reset with clear communication. Reduces disruption compared to generic resets.

JIT Migration

Users migrate on first login after cutover. Great UX for active users with no mass password resets required.

Hybrid

Mix strategies: JIT for active users, bulk reset for dormant users. Flexible approach for diverse user bases.

Learn more about migration strategies

End-to-end support for auth migrations

AuthShepherd helps teams analyze migration risks, choose the right strategy, run migrations with observability, and keep application data in sync throughout the process.