Laravel API Integration Checklist

Laravel API integration fails quietly more often than it fails loudly: duplicate webhooks, token expiry at 2 a.m., or a sync job that never retries. Use this Laravel API integration checklist before you connect CRM, ERP, payments, or SIS platforms (including OneRoster) — it is the same pre-flight we run on Laravel API integration projects.

Work the list internally, then request a quote if you need us to implement the gaps you cannot staff this quarter.

1. Scope and source of truth

Before writing code, write down which system owns each entity (customer, invoice, subscription, inventory). Laravel should not guess — every sync path needs an explicit rule for creates, updates, conflicts, and deletes.

• Document field mapping and required vs optional attributes
• Define conflict resolution (last-write-wins vs provider-wins vs manual queue)
• List events that must be real-time vs batch

2. Authentication and token lifecycle

OAuth refresh, API keys, and scoped tokens belong in encrypted storage with rotation runbooks. Never hard-code credentials in .env on worker boxes without a secrets strategy.

• Refresh tokens before expiry (scheduled job + alert on failure)
• Least-privilege scopes per integration
• Staging credentials separate from production

3. Webhook endpoints

Production webhooks need signature verification, idempotency keys, and fast HTTP 200 responses — heavy work goes to the queue.

• Verify HMAC / provider signature on every payload
• Store processed event IDs to ignore duplicates
• Return 200 quickly; process in a queued job
• Log raw payload hash for forensic replay (not full PII unless required)

4. Queues, retries, and dead letters

Laravel queues (Horizon recommended) are the reliability layer. Happy-path controller calls are not integration architecture.

• Exponential backoff with jitter on provider 429/5xx
• Dead-letter queue + alert when jobs exhaust retries
• Rate-limit outbound calls to respect provider quotas
• Idempotent job design — safe to retry

5. Observability and reconciliation

Finance and support will ask “why doesn’t this match?” — build reconciliation before launch.

• Structured logs with correlation IDs across webhook → job → API call
• Daily or hourly reconciliation report for money-moving integrations
• Dashboard or alert when sync lag exceeds SLA

6. Launch gates

Do not flip production webhooks until:

• Staging replay tests pass for create, update, delete, and duplicate events
• Rollback plan documented (disable webhook, pause queue, manual export path)
• On-call knows which Horizon queues and env vars control the integration

When the Laravel app itself is fragile

Integration work on a brittle codebase multiplies risk. If deploys are scary or tests are thin, start with a fixed-fee Laravel health audit — then layer CRM, ERP, and payment sync on a stable core.

Next step

Need help implementing this Laravel API integration checklist in your repo? Request a quote for Laravel API integration — we scope milestones in writing and deliver through your client portal.

FAQ

Click a question to expand.