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# Update product charge definitions

> You can update product charge definitions using the UI or REST API.

You can update product charge definitions using the UI or REST API.

After a charge definition is created, you can update it from the UI or through REST API.

> You can update product charge definitions using the UI or REST API.

## Docs

- [From Zuora UI](https://zuora.ferndocs.com/docs/billing/set-up-zuora-billing/build-product-and-prices/attribute-based-pricing/update-product-charge-definitions/update-product-charge-definitions-from-zuora-ui.md): Learn how to update charge definitions using the Manage Charge Definitions page in Zuora.
- [With REST API](https://zuora.ferndocs.com/docs/billing/set-up-zuora-billing/build-product-and-prices/attribute-based-pricing/update-product-charge-definitions/update-product-charge-definitions-with-rest-api.md): Learn how to update a charge definition using the REST API, including modifying fields in the request body for a specified charge.