---
title: "tool si.economics.ladder"
description: "nothing, or a version: the price ladder in force with its study."
section: reference
address: /reference/tools/si-economics-ladder
contract: 0476e35e6e275db5
---

# tool si.economics.ladder

nothing, or a version: the price ladder in force with its study.

[figure: Over MCP, si.economics.ladder takes LadderInput and returns a card whose body is PriceLadder.]

the price ladder in force with its study. The call needs the read grant at the tenant rung.



| | |
|---|---|
| input | [LadderInput](/concepts/ladderinput) |
| result | a card whose body is [PriceLadder](/concepts/priceladder) |
| read-only | no |
| destructive | no |
| card address | `ui://scale-intelligence/cards/PriceLadder` |
| HTTP route | [`/v1/economics/ladder`](/reference/economics/ladder) |





| field | type | required | note |
|---|---|---|---|
| `version` | `count` | no |  |