Trimble Maps (PC*MILER) Routing API
Trimble Maps (PC*MILER) REST API for commercial vehicle routing, mileage calculation, and mapping platform. Enables AI agents to manage truck-specific route optimization including bridge heights, weight restrictions, hazmat routing, and permit routing, handle accurate freight mileage calculation for carrier rate rating and invoice audit, access geocoding and address validation for freight and logistics applications, retrieve traffic-aware routing and estimated transit time calculations, manage multi-stop route optimization for delivery and pickup planning, handle fuel optimization routing to minimize fuel costs for fleet operations, access point-of-interest data for truck stops, weigh stations, and rest areas, retrieve state line crossing data for fuel tax (IFTA) reporting, manage tolling data and cost calculation for route costing, and integrate routing data with TMS, dispatch, and fleet management systems.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Freight routing and mileage. SOC2. API key. US/EU. Route and freight location data.
⚡ Reliability
Best When
A trucking company, freight broker, or TMS provider using Trimble Maps/PC*MILER wants AI agents to automate route optimization, mileage calculation, freight invoice audit, hazmat routing, and IFTA fuel tax mileage reporting.
Avoid When
SAFETY RISK: Truck routing automation must validate vehicle configuration (height, weight, hazmat class) against route restrictions; incorrect vehicle profile causes bridge strikes, permit violations, and safety incidents. Hazmat routing requires endorsement validation and route compliance verification before automated dispatch. IFTA mileage data from API must be validated against actual GPS tracking for fuel tax filing accuracy.
Use Cases
- • Calculating freight mileage from carrier rate automation agents
- • Planning truck routes from dispatch optimization agents
- • Auditing freight invoices from billing accuracy agents
- • Routing hazmat shipments from compliance agents
Not For
- • Consumer navigation without commercial truck routing and freight focus
- • General mapping without truck-specific routing constraints and freight mileage
- • Last-mile delivery without over-the-road freight routing needs
Interface
Authentication
Trimble Maps uses API key authentication. Per-application keys. Developer portal at developer.trimblemaps.com. No webhooks — synchronous request/response routing. REST API with JSON and XML options. PC*MILER brand well-known for freight mileage. Trimble Maps is cloud API successor to desktop PC*MILER. Sunnyvale, California HQ.
Pricing
Sunnyvale, California (Trimble Inc.). PC*MILER founded 1984. Industry standard for freight mileage calculation. 95%+ of US freight invoices use PC*MILER for mileage validation. Used by major carriers, brokers, and shippers for rate setting and audit. TMS market standard for routing. Cloud API launched to replace desktop PC*MILER.
Agent Metadata
Known Gotchas
- ⚠ SAFETY RISK: Vehicle profile configuration (height, weight, hazmat class) must be validated against actual vehicle; incorrect profile generates routes with bridge strikes or permit violations
- ⚠ PC*MILER mileage standard — PC*MILER is the freight industry billing standard; small mileage differences from other routing engines can cause carrier rate disputes
- ⚠ Hazmat routing endorsement — hazmat routing requires CDL hazmat endorsement and commodity-specific routing restrictions; validate driver credentials before automated hazmat dispatch
- ⚠ IFTA fuel tax mileage — API mileage for IFTA reporting must reconcile with GPS actual miles; use API for estimation, GPS for actual IFTA filing
- ⚠ Desktop vs. cloud API — PC*MILER desktop and cloud API may produce slightly different mileage results; verify which version your carrier agreements reference
- ⚠ Toll accuracy — toll cost calculations require vehicle class and axle count configuration; verify vehicle configuration for accurate toll cost estimation
Alternatives
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Scores are editorial opinions as of 2026-03-07.