> ## Documentation Index
> Fetch the complete documentation index at: https://docs.landryx.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Construction endpoints

> Construction capex, schedule risk, benchmarks, and line-item estimates.

| Method | Endpoint                                     | Description                                     |
| ------ | -------------------------------------------- | ----------------------------------------------- |
| `GET`  | `/v1/construction-costs/catalog`             | Source and unit catalog                         |
| `POST` | `/v1/construction-costs/estimate`            | Deterministic project capex scenarios           |
| `POST` | `/v1/construction-costs/simulate`            | Seeded schedule and cost uncertainty simulation |
| `GET`  | `/v1/construction-costs/line-items/health`   | Line-item estimate service availability         |
| `POST` | `/v1/construction-costs/line-items/estimate` | Bounded regional line-item estimate             |

Screening assumptions, public benchmarks, and commercial line items remain separately sourced. Simulation outputs are not investment returns.