How can we help you?

How do I add or edit Prop 65 warnings via the API?

To add Prop 65 warnings via API, you can use a POST or PUT (create or update request).

The model schema is:

“prop_65_warning”: “string”

All warning messages will automatically only be shown to California-located customers, include a triangle warning sign and a link to An example is the following:



In this example, the seller entered, “This product can expose you to chemicals including fakeachorline, which is known to the state of California to cause cancer or birth defects or other reproductive harm. For more information, go to.” (Please note: the link will automatically be included).

To edit Prop 65 warnings via the API:

  1. Go to the Manage Inventory page and select Export Your Listings.
  2. A CSV file of all the listings will be sent to the email associated with your Reverb account.
  3. When adding or editing a product via the mass editor CSV, scroll to offers_enabled column and input the value FALSE to turn off offers for that listing.

  4. Once finished, you can upload your updated CSV via the Choose CSV File button.
For any additional questions, contact our Integrations team at
Was this article helpful?