Enterprise Resource Planning systems are the operational backbone of metal recyclers, processors, and manufacturers. When your ERP has access to live scrap metal pricing data, it unlocks automation across purchasing, inventory valuation, sales quoting, and financial reporting. This guide covers the architecture and implementation patterns for integrating the ScrapMetal API with common ERP platforms.
Why Integrate Pricing into the ERP
Without live pricing, scrap metal businesses rely on manually entered prices that go stale within hours. Purchase agents look up prices on their phones, type them into the ERP, and hope nothing changed before the truck arrives. Sales teams quote based on yesterday's prices and sometimes lose margin when the market has moved.
Integrating a price feed eliminates this lag. Purchase tickets can be generated with the current market price minus your target margin. Inventory values update daily to reflect actual market conditions. Sales quotes reference the latest data automatically.
Architecture Patterns
The most robust pattern is a middleware service that sits between the ScrapMetal API and your ERP. This service fetches prices on a schedule, transforms the data into your ERP's expected format, and pushes it through the ERP's import interface.
The middleware approach provides several benefits. It decouples your ERP from direct API dependencies, so if the API is temporarily unavailable, your ERP continues using the last cached prices. It handles data transformation in one place rather than embedding API logic inside ERP customizations. And it provides a single point for logging, alerting, and monitoring.
Caching Strategy
Scrap metal prices do not change by the minute the way stock prices do. A daily or twice-daily refresh is sufficient for most business processes. Your middleware should cache the most recent prices and serve them to the ERP on demand, only refreshing from the API on schedule.
Store cached prices with timestamps so the ERP can display when the price was last updated. If a cached price is older than your configured staleness threshold, flag it in the ERP interface so users know they are working with potentially outdated data.
Data Mapping
The ScrapMetal API returns prices identified by metal, grade name, and ISRI code. Your ERP likely uses its own material codes. Build a mapping table that connects API grade identifiers to your ERP material codes. This mapping is typically maintained by your operations team and changes infrequently.
Handle unit conversions carefully. The API returns copper and aluminum prices per pound but steel prices per gross ton. Your ERP may use different units. Build the conversion into your middleware so the ERP always receives prices in its native units.
Getting Started
Start with a narrow integration. Pick one metal category, map the grades to your ERP materials, and build the middleware for just those grades. Once the pipeline is proven, expand to additional metals. The ScrapMetal API's consistent response format makes adding new grades straightforward once the initial integration is in place.