# v15 (retired) ### Status `Retired` April 29th, 2025 No longer supported. ### Release notes * in the `/users` endpoint the token object attributes have been aligned: * address is added * decimals is removed * in the `/prices` endpoint the carbonCredit attribute that existed in the listing and carbon\_pool objects have been split into a token and a creditId objects. in addition a symbol attribute was added to the token object (for consistency with the token object in the `/users` endpoint) * in the `/prices` the product object now contains the corresponding token object * the `/prices` endpoint now expects an arrays instead of a string for the vintage arguments * in the `/retirements` and `/retirements/:id` endpoints the credit attribute has been split into a token and a creditId objects. in addition a symbol attribute was added to the token object (for consistency with the token object in the `/users` endpoint) * the id, asset\_id, erc1155\_token\_id, listing\_id, pool\_name attribute are removed from the `/quotes` endpoints, they are replaced by the asset\_price\_source\_id attribute * the id attribute is removed from the `/orders` endpoints * the `/carbonProject` endpoint now expects arrays instead of strings for the following arguments: country, category, vintage, sdg ### References * The Token model: --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.carbonmark.com/carbonmark-api/versioning-and-release-process/v15-retired.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.