SCIM (System for Cross-domain Identity Management) is an open standard protocol (RFC 7644) that automates the exchange of user identity information between identity providers like Okta and service providers. This skill covers building a SCIM 2.0-compliant API endpoint and integrating it with Okta for automated user lifecycle management including provisioning, deprovisioning, profile updates, and group management.
When to Use
When deploying or configuring implementing scim provisioning with okta capabilities in your environment
When establishing security controls aligned to compliance requirements
When building or improving security architecture for this domain
When conducting security assessments that require this implementation
Common Misconfigurations & Verification
Deprovisioning never reaches the app: Okta "deactivate" only deprovisions when the assignment is pushed and "Deactivate Users" is enabled; unassigning a user or relying on push-groups alone leaves an orphaned active account. Confirm a deactivated Okta user actually flips active:false at the SCIM endpoint, not just loses the app tile.
Hard-delete instead of soft-delete: the SCIM server should set active:false, not return 404 on the record. Verify deactivation maps to your deactivation and that re-activation restores the same id.
userName mutability creates duplicates: if the matching attribute (userName) changes on rename, Okta provisions a second account. Confirm the unique identifier is immutable.
Deprovision lag: measure HR termination → Okta deactivation → SCIM active:false; SOX/SOC2 typically expect same-day. Check the Okta provisioning log for queued/failed retries that silently leave access live.
Verify: the bearer token is rejected after rotation, filter=userName eq "..." returns exactly one record, pagination (startIndex/count) is honored, and the Okta SCIM validator passes CRUD, filtering, and pagination.
Prerequisites
Okta tenant with admin access (Developer or Production)
Application with REST API capable of user management
TLS-secured endpoint (HTTPS required)
Okta API token or OAuth 2.0 client credentials
Python 3.9+ with Flask or FastAPI
Core Concepts
SCIM 2.0 Protocol
SCIM defines a standard schema for representing users and groups via JSON, with a RESTful API for CRUD operations:
Operation
HTTP Method
Endpoint
Description
Create User
POST
/scim/v2/Users
Provisions a new user account
Read User
GET
/scim/v2/Users/{id}
Retrieves user details
Update User
PUT/PATCH
/scim/v2/Users/{id}
Modifies user attributes
Delete User
DELETE
/scim/v2/Users/{id}
Removes user account
List Users
GET
/scim/v2/Users
Lists users with filtering
Create Group
POST
/scim/v2/Groups
Creates a group
Manage Group
PATCH
/scim/v2/Groups/{id}
Add/remove group members
Okta SCIM Integration Architecture
Okta (IdP) ──SCIM 2.0 over HTTPS──> SCIM Server ──> Application Database
│ │
├── User Assignment ├── Create/Update User
├── User Unassignment ├── Deactivate User
├── Profile Push ├── Sync Attributes
└── Group Push └── Manage Groups