ERP Integrations2 min read
ERP API Integration Explained: REST, Webhooks, Auth and Idempotency
A plain-English explanation of ERP API integration: REST APIs, webhooks, authentication methods, idempotency, pagination, rate limits and error handling.
Integration · Communication
Twilio ERP integration for SMS and voice that just works
SMS remains the most reliable way to reach someone quickly — for delivery windows, technician arrivals or verification codes. Twilio provides programmable messaging and voice; the ERP knows when to send what.
01Data
What data syncs, and in which direction
| Entity | Direction | Notes |
|---|---|---|
| SMS notifications | ERP → App | Triggered by ERP events with templates. |
| Inbound SMS | App → ERP | Replies logged; keywords like STOP respected. |
| Delivery status | App → ERP | Status callbacks update delivery logs. |
| Call logs | App → ERP | Calls recorded against partners. |
02Use cases
Common use cases
01
Delivery and appointment reminders
Reduce failed deliveries and missed visits.
02
Two-factor verification
Verify portal users or approvals.
03
Field team alerts
Urgent job notifications to technicians.
03 — Architecture
API architecture
The ERP calls Twilio's Messaging API through a queue so notifications don't block user actions. Twilio status callbacks and inbound messages hit a webhook endpoint that validates Twilio's request signature.
04Reliability
Authentication, errors and retries
01
Authentication
Twilio API keys (rather than the primary auth token) stored in a secrets manager; webhook signatures validated.
02
Error handling
Undeliverable numbers, carrier filtering and opt-outs recorded; fallback channels configurable.
03
Retry strategy
Transient errors retried with backoff; permanent failures logged without retry.
05 — Data mapping
Field mapping essentials
| Twilio | ERP |
|---|---|
| Partner mobile | To number (E.164) |
| Notification template | Message body |
| Message SID | Delivery log reference |
| Status callback | Delivery state |
| Inbound SMS | Message on record |
06 — Automation
Automation opportunities
- Send delivery window SMS on dispatch
- Remind customers of appointments the day before
- Escalate unacknowledged urgent jobs by voice call
- Process STOP/START opt-out keywords automatically
07 — Security
Security considerations
Request signature validation, scoped API keys, and compliance with messaging registration rules (such as A2P 10DLC in the US) and opt-out requirements.
Related
Where this integration fits
Other integrations
Often connected together
WhatsAppOrder updates, reminders and support conversations through the WhatsApp Business Platform.ZoomSchedule Zoom meetings from ERP records and log meetings against customers and projects.HubSpotContacts, companies, deals and order data synchronised between HubSpot and your ERP.Custom APIConnect any system with an API, database, file feed or EDI — built with production-grade reliability.
Insights
Related reading
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FAQ
Frequently asked questions
Do we need to register for business SMS?
In some countries, such as the US, application-to-person messaging requires registration. We help with setup.
Can customers reply?
Yes, replies are captured and logged.
Can we use voice calls?
Yes, for alerts or call logging.
Next step
Connecting Twilio to your ERP?
Tell us what you want to automate. We will design a reliable integration with monitoring built in.