---
title: UnsignedInt64 - Customer API
description: >
  An unsigned 64-bit integer. Represents whole numeric values between 0 and 2^64
  - 1 encoded as a string of base-10 digits.


  Example value: `"50"`.
api_version: 2026-04
api_name: customer
type: scalar
api_type: graphql
source_url:
  html: 'https://shopify.dev/docs/api/customer/latest/scalars/UnsignedInt64'
  md: 'https://shopify.dev/docs/api/customer/latest/scalars/UnsignedInt64.md'
---

# Unsigned​Int64

scalar

An unsigned 64-bit integer. Represents whole numeric values between 0 and 2^64 - 1 encoded as a string of base-10 digits.

Example value: `"50"`.

## Map

### Fields with this scalar

* [Draft​Order.totalWeight](https://shopify.dev/docs/api/customer/latest/objects/DraftOrder#field-DraftOrder.fields.totalWeight)
* [Subscription​Contract.revisionId](https://shopify.dev/docs/api/customer/latest/objects/SubscriptionContract#field-SubscriptionContract.fields.revisionId)