---
title: Decimal - Customer API
description: |
  A signed decimal number, which supports arbitrary precision and is serialized as a string.

  Example values: `"29.99"`, `"29.999"`.
api_version: 2025-10
api_name: customer
type: scalar
api_type: graphql
source_url:
  html: https://shopify.dev/docs/api/customer/latest/scalars/decimal
  md: https://shopify.dev/docs/api/customer/latest/scalars/decimal.md
---

# Decimal

scalar

A signed decimal number, which supports arbitrary precision and is serialized as a string.

Example values: `"29.99"`, `"29.999"`.

## Map

### Fields with this scalar

* <-|[Money​V2.amount](https://shopify.dev/docs/api/customer/latest/objects/MoneyV2#field-amount)