---
agentTools:
  projectIndex: https://docs.onfleet.com/llms.txt
---

# API Documentation Updates — July 2026

**Added**

* Added documentation for the new costParam field in Route Optimization v3 configurable fields. [Additional Configurable Fields for ROv3](https://docs.onfleet.com/reference/additional-configurable-fields-for-rov3)
* Added documentation explaining how Vehicle Tags using Metadata can be used for vehicle compatibility matching in Route Optimization v3. [Additional Configurable Fields for ROv3](https://docs.onfleet.com/reference/additional-configurable-fields-for-rov3)
* Added a new Route by Vehicle object section to the route optimization reference so users can understand the vehicle-based route structure in request payloads. [Initialize Standard Route Optimization](https://docs.onfleet.com/reference/initialize-route-optimization)
* Added documentation for the optional clusteringLevel parameter for scheduled route optimization, including supported values, org-level defaults, precedence behavior, and applicability. [Initialize Standard Route Optimization](https://docs.onfleet.com/reference/initialize-route-optimization)