LMS API Development

WordPress LMS Integration, Engineered as Software.

Provisioning, enrollment, SSO and sync between WordPress and your LMS, built with queues, retries, logs and reconciliation instead of fragile point-to-point calls.

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See Related Work

Shipped on Canvas LMS and Moodle
API, webhook and SSO engineering
Written findings before any build

enrollment-syncHealthy

WordPress course siteCatalog · course pagesBrowsing
WooCommerce checkoutorder.completed webhookPaid
LMS APIIdempotent enrollment callEnrolled
Learner dashboardSSO session handed offLearning

Nightly reconciliation catches anything a webhook missed.

Overview

Most integrations work until they don't

A typical WordPress-to-LMS connector sends an API request when an order completes and assumes it succeeded. It works in testing. In production, the LMS times out during a busy launch, a learner changes their email, or a plugin update changes when a hook fires, and nobody knows until a learner writes in.

We design these integrations the way we design any distributed system: decide which system owns each record, make every write safe to repeat, record every attempt and run a job that checks both sides agree.

Decide where the source of truth lives

Before writing any code we fix ownership for three kinds of record. Users are usually owned by WordPress or an identity provider. Course catalog data is owned by whichever system your team edits, and the other system receives a copy. Enrollment and completion are owned by the LMS, because that is where learning activity happens.

Each synced record carries an external ID from its owner, stored in WordPress user or post meta and in the LMS's own external or SIS ID field where one exists. Matching on email alone is the most common cause of duplicate learners, so email is a fallback, not the key.

Users: WordPress or your SSO provider
Catalog: the system your team edits, mirrored to the other
Enrollment and completion: the LMS

Make enrollment idempotent and queued

Calling the LMS synchronously inside checkout couples your payment page to the LMS's response time. We hand the work to a background queue, normally Action Scheduler since WooCommerce already ships it, and return the learner to the confirmation page immediately.

Order status hooks can fire more than once, and retries can overlap. Each enrollment job carries an idempotency key built from the order line, checks whether the enrollment already exists in the LMS before writing, and records the result on the order. Failed jobs retry with backoff, and jobs that keep failing raise an alert with the API response attached.

php

add_action( 'woocommerce_order_status_completed', function ( $order_id ) { $order = wc_get_order( $order_id ); if ( ! $order || $order->get_meta( '_lms_enroll_queued' ) ) { return; // status hooks can fire more than once } as_enqueue_async_action( 'zs_lms_enroll_order', array( $order_id ), 'lms-sync' ); $order->update_meta_data( '_lms_enroll_queued', time() ); $order->save(); } );

Queue the enrollment once per order instead of calling the LMS during checkout.

Webhooks, polling and reconciliation

Event-driven calls keep latency low, but events get lost: a webhook endpoint is down, a job is dropped, an admin edits a record directly in the LMS. Polling alone is slow and wastes API quota. We use both. Events drive the normal path, and a scheduled reconciliation job compares paid orders and active subscriptions against LMS enrollments, then repairs or reports each difference.

The reconciliation report is also your audit trail. When finance asks why a learner had access after a refund, the answer is in a log rather than in someone's memory.

Single sign-on and access

Separate passwords for the website and the LMS generate a steady stream of support tickets. Where the LMS supports it, we connect both to one identity source using SAML or OpenID Connect, or launch course tools through LTI 1.3. Where it does not, we use the platform's documented login-link or token mechanism and keep the session handoff on the server side.

SSO failures are usually attribute problems: a missing email claim, a username format the LMS rejects, or a role that is not mapped. We document the attribute mapping and test login for new, existing and suspended learners.

CRM, communications and import/export

Once enrollment events are reliable, other systems can subscribe to them. We push enrollment and completion status to your CRM, trigger transactional and reminder emails from real LMS state, and build import and export tools for bulk corporate enrollments so staff stop editing CSVs by hand.

Scope

What Integration Can and Cannot Do

Typically supported

User creation and lookup through LMS APIs on Canvas and Moodle
Course enrollment and unenrollment triggered by WooCommerce order and subscription events
SSO through SAML, OIDC or LTI 1.3 where the LMS supports it
Scheduled reconciliation between orders and enrollments
Completion data pulled back into WordPress or a CRM

Must be confirmed per platform and plan

API access on hosted LMS plans, which varies by tier
Outbound webhooks from the LMS, which not every platform offers
Rate limits and bulk endpoints for large corporate enrollments
SSO protocols available on your specific LMS subscription
Real-time completion events versus scheduled polling

How it works

From Review to Running Integration

Integration work follows a fixed sequence so the architecture is agreed before code is written.

Trace the current data flow

We follow a real order, a registration and a login through every system and log.
Deliverables
Data flow diagram
Failure list with evidence
2

Design ownership and mapping

We agree which system owns each record and how IDs map between them.
Deliverables
Field and ID mapping
Error-handling design
3

Build and test on staging

We implement against a sandbox and test retries, duplicates and refunds.
Deliverables
Integration code
Scenario test results
4

Backfill and monitor

We repair historical mismatches and switch on reconciliation and alerts.
Deliverables
Backfill report
Monitoring and runbook

Experience

Integration Work We Have Delivered

Canvas, LTI and multi-LMS integrations. These were not WordPress projects; they show how we handle identity and enrollment across systems.

Axon Education

Canvas LMSLTICRM
Context
An education provider running admissions and student records alongside its LMS.
Technical challenge
Applications, documents and status updates lived in scattered forms, inboxes and spreadsheets, with no single view for admins or applicants.
Implemented solution
A standalone LTI application covering the admissions lifecycle — guided application form, admin review console, program management, user roles and a student portal — plus learner-portal, Canvas LMS and CRM integration work and ongoing platform support.
Read the case study
Discuss a similar requirement
P

Proctor360

Multiple LMS platformsLTI
Context
An online proctoring product used inside several learning management systems.
Technical challenge
Delivering one product experience across institutions that each run a different LMS.
Implemented solution
Multi-LMS integration engineering, so the product works inside each customer's learning platform.
Discuss a similar requirement

FAQ

Integration Questions

Something we haven't covered? The assistant answers from this page and can book an engineer.

Ask the assistant

Should we use an off-the-shelf connector plugin or custom code?

If a maintained connector covers your workflow and exposes useful logs, use it and we will configure and harden it. Custom code makes sense when you need logic the connector lacks, such as bundles, corporate seats or reconciliation.

How do you prevent duplicate enrollments?

Every enrollment job has an idempotency key tied to the order line, and the job checks the LMS for an existing enrollment before writing. Repeated events then become no-ops.

What happens if the LMS is down when someone buys a course?

The order completes normally and the enrollment job waits in the queue. It retries with backoff, and if it keeps failing an alert is raised with the error so someone can act.

Can you fix our existing integration instead of replacing it?

Often, yes. We start by adding logging and a reconciliation report to the current setup, which shows whether the faults are fixable in place or structural.

Do you need production LMS credentials?

We prefer a sandbox or test sub-account for development and a scoped, least-privilege token for production, issued by your administrator.

Get started

Request an Integration Review

Describe your WordPress setup, your LMS and the failures you see. We reply with questions or a proposed review scope.

Tell the assistant what's breakingYour LMS, the plugins involved and what learners or admins see. Ask it anything about the integration first if you like.
Confirm your work emailA one-time code proves the address. Never share passwords, API keys or LMS admin logins in chat.
Pick a timeChoose an open slot for your technical assessment. An engineer reviews your setup before the call.

ZionStar AssistantReplies instantly

Hi — I can help with WordPress LMS Integration. What's happening between your WordPress site and your LMS?

Orders complete in WooCommerce, but some learners never get enrolled.

That's usually the order-to-enrollment hand-off — a missed webhook or a duplicate account. Let's book a technical assessment; I'll need your name and work email.

Example conversation

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Make Every Purchase Produce Exactly One Enrollment.

We will review how your systems exchange users and enrollments and show you where the gaps are.

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