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Implementation

GoHighLevel Private Integrations and OAuth: Which Authentication Model to Use

Use a private integration when a controlled internal system connects to a known HighLevel account and a trusted owner can manage the credential. Use OAuth when independent customers or locations must authorize an application, permissions must be consented and revoked per installation, or the integration will scale beyond one controlled account.

By GHL Automation Architect, Best GoHighLevel Agency · Published · Reviewed · 2 min read

The short answer

Use a private integration when a controlled internal system connects to a known HighLevel account and a trusted owner can manage the credential. Use OAuth when independent customers or locations must authorize an application, permissions must be consented and revoked per installation, or the integration will scale beyond one controlled account.

The governing principle

Choose authentication from the trust and tenancy model, not whichever credential is faster to obtain. Minimize scope, isolate installations, rotate secrets, and make revocation operational.

Recommended architecture

Private integrations need secure secret storage, least privilege, ownership, rotation, and environment separation. OAuth additionally needs authorization state, redirect validation, encrypted token storage, refresh handling, installation identity, and revocation cleanup.

Prerequisites

Do not configure the production change until these inputs are known and recorded.

  • Identify who owns the app, account, location, and data.
  • List scopes and operations actually required.
  • Define installation, rotation, revocation, and offboarding.
  • Choose separate development and production credentials.

Implementation procedure

Build in the smallest independently testable increments. Record the reason for each decision, not only the final setting.

  • Request the minimum permissions.
  • Store credentials in a managed secret system, never source code or a shared document.
  • Bind every token to an installation record and responsible owner.
  • Handle expiry, refresh, revocation, and permission errors explicitly.
  • Audit access and rotate according to risk and incident events.

Acceptance tests

A published asset is not necessarily a working system. Test normal, exception, duplicate, delayed, and recovery paths with traceable records.

  • A revoked credential stops access and produces an actionable alert.
  • One tenant cannot read or mutate another tenant.
  • Refresh or rotation does not interrupt queued work.
  • Logs redact credentials and sensitive payloads.
  • Offboarding removes access without deleting required business data.

Rollback and recovery

Revoke the compromised or faulty credential, disable affected jobs, issue a replacement with corrected scope, and replay only verified work. Investigate logs for unauthorized access before returning to service.

Operating the system

Maintain a credential inventory with owner, scopes, installation, created date, last use, rotation due date, and revocation status. Alert on repeated authorization failures and anomalous access.

Failure modes to prevent

Shared tokens, excessive scopes, credentials in frontend code, missing tenant boundaries, and no revocation procedure turn a simple integration into a material security risk.

Related questions

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Should this be changed directly in production?

Only low-risk, reversible settings should be changed directly. For workflows, integrations, permissions, routing, and data changes, use test records, a controlled release window, an owner, and a written rollback instruction.

Who should approve the design?

The operational owner should approve business rules, the technical owner should approve implementation and recovery, and compliance or legal reviewers should approve regulated communications and data handling where applicable.

How often should the configuration be reviewed?

Review after material process or product changes and on a recurring schedule. High-volume or revenue-critical systems deserve monthly health checks; stable, lower-risk assets may be reviewed quarterly.

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