# MerchantCategoryCode

Scalar · GraphQL API

An [ISO 18245](https://en.wikipedia.org/wiki/ISO_18245) Merchant Category Code. Four digits.

## Used by

- [CreditCardDetachedRefundOptionsInput](/braintree/graphql/reference/types/credit-card-detached-refund-options-input) — Input; merchantCategoryCode
- [InStoreCreditCardRefundOptionsInput](/braintree/graphql/reference/types/in-store-credit-card-refund-options-input) — Input; merchantCategoryCode
- [TransactionInput](/braintree/graphql/reference/types/transaction-input) — Input; merchantCategoryCode

## GraphQL definition

```graphql
scalar MerchantCategoryCode
```

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[View the complete GraphQL schema on GitHub](https://raw.githubusercontent.com/braintree/graphql-api/refs/heads/master/schema.graphql)