NFT Ownership
This page introduces how to get the change of NFT ownership with Token History API.
Before Getting Started
API introduced in here should only be used with HTTP Request.
The x-chain-id value for calling the API is 8217 (Cypress) or 1001 (Baobab).
Essential parameters for calling APIs are described in individual examples.
Values that a user needs to enter for calling APIs will be represented with one pair of braces ({}). A user must enter the following values.
Item | Description | Note |
chain-id | 8217 or 1001 | Cypress(Klaytn mainnet) or Baobab(Klaytn testnet |
access-key-id | Auth ID |
|
secret-access-key | Auth Password |
|
krn | (optional) ID of Account Pool | Unnecessary when using Default Account Pool |
A KAS API Authentication Key (API Auth Key) provides access to all KAS services and all the rights to a Klaytn account which was created by calling Wallet API via this API Auth Key. The rights here include accessing and transferring all the assets (KLAY, etc.) of or sending a transaction from a Klaytn account. If you shared your API Auth Key with any unauthorized personnel, your Klaytn account could be compromised and might cause unwanted transaction execution.
DO NOT share your API Auth Key (Secret AccessKey or Authorization) with any unauthorized personnel. DO PUT efforts necessary to keep your API Auth Key safe for the security of your KAS/Klaytn account.
Get Records of NFT Ownership Change
Search for the ownership change history of specific NFT.
NFT contract is a type of smart contract deployed to Klaytn that allows users to issue, delete, and send Non-fungible Token (Non-Fungible Token, NFT).
API Request
Search for the NFT ownership changes history as follows.
Query Parameter
You can receive API response values with Cursor-based Pagination.
Parameter | Description | Example | Required or Not |
size | the number of items in the API response (min=1, max=1000, default=100) |
| False |
cursor | the cursor required to get the next batch of response items |
| False |
nft-address
(0x251f622e8b5e713f357e...)is a required input value that stands for an address of the NFT contract to be searched.token-id
(0x1) is a required input value and an identifier of the token to be searched.
API Response
The record stating that the NFT ownership was changed from “from” to “to” at the “timestamp” point will be displayed as follows if the request is successful.
For details about this API, please visit here. For inquires about this document or KAS, please visit KAS Developer forum.
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