# NFT | Property | Description | Type | | ---------------------------- | ------------------------------------------------------------------------------ | ------- | | id | Unique identifier of the NFT (CERTHIS API) | Int | | nft\_id | Identifier of the NFT within the collection (COLLECTION SMART CONTRACT) | Int | | collection\_id | Identifier of the collection to which the NFT belongs (CERTHIS SMART CONTRACT) | Int | | owner\_address | Blockchain address of the current owner of the NFT | String | | creator\_address | Blockchain address of the creator of the NFT | String | | ipfs\_object | IPFS object containing the metadata of the NFT | Object | | collection\_object | Object describing the collection | Object | | label\_object | Object describing the label | Object | | owner\_object | Object describing the owner | Object | | creator\_object | Object describing the creator | Object | | currency\_object | Object describing the currency used for the NFT | Object | | collection\_currency\_object | Object describing the currency used for the collection | Object | | chain\_id | Blockchain chain identifier of the NFT | Int | | extra\_price\_collection | Extra price associated with the collection (LAZY MINT COLLECTION) | Number | | extra\_currency\_collection | Extra currency associated with the collection (LAZY MINT COLLECTION) | String | | token\_uri | URI pointing to the token metadata | String | | sellable\_type | Type of secondary sale: 0 = not for sale, 1 = ERC20 sale, 2 = ETH sale. | String | | sellable\_currency | Currency used for the sale | String | | sellable\_amount | Amount for which the NFT is sellable | Int | | royalties | Royalties associated with the NFT | Int | | created | Date when the NFT was created | Date | | updated | Date when the NFT was last updated | Date | | minted | Indicator if the NFT has been minted | Boolean | | chain\_name | Name of the blockchain on which the NFT resides | String | | is\_sbt | Indicator if the NFT is a Soul-Bound Token | Boolean | --- # 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.certhis.io/api-object-references/nft.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.