# omnia\_checkNFTSecurity
**Returns security details about an NFT (smart contract possible vulnerabilities, community-related risks).**
**Parameters**
`DATA`, 20 Bytes - contractAddress. The NFT smart contract address that is checked. REQUIRED
**Returns**
`Object with following details:`
| Parameter | Description | Notice |
| --------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `nft_name` | | |
| `nft_symbol` | | |
| `nft_description` | It describes the introduction of the NFT.
Return “null” means there is no description of the NFT.
| |
| `nft_erc` | It describes the ERC protocol of the NFT.
Example: "nft\_erc": "erc721"
| |
| `creator_address` | It describes the creator's address of the NFT.
Return “null” means that we didn't find the creator's address.
| |
| `create_block_number` | It describes the number of blocks created for the NFT.
Return “null” means that we didn't find the number of blocks created for the NFT.
| |
| `website_url` | It describes the website URL of the NFT.
Return “null” means there is no website URL or didn't find the website URL.
| |
| `discord_url` | It describes the discord URL of the NFT.
Return “null” means there is no discord URL or didn't find the discord URL.
| |
| `github_url` | It describes the GitHub URL of the NFT.
Return “null” means there is no GitHub URL or didn't find the GitHub URL.
| |
| `twitter_url` | It describes the Twitter URL of the NFT.
Return “null” means there is no Twitter URL or didn't find the Twitter URL.
| |
| `medium_url` | It describes the medium URL of the NFT.
Return “null” means there is no medium URL or didn't find the medium URL.
| |
| `telegram_url` | It describes the telegram URL of the NFT.
Return “null” means there is no telegram URL or didn't find the telegram URL.
| |
| `nft_items` | It describes the numbers of the NFT. | |
| `nft_owner_number` | It describes the holders of the NFT. | |
| `average_price_24h` | It describes the average price of the NFT in 24h. | |
| `lowest_price_24h` | It describes the lowest price of the NFT in 24h. | |
| `sales_24h` | It describes the sales of the NFT in 24h. | |
| `traded_volume_24h` | It describes the trading volume of the NFT in 24h. | |
| `total_volume` | It describes the total volume of the NFT. | |
| `highest_price` | It describes the highest price of the NFT. | |
| `nft_verified` | It describes whether the NFT is verified.
"1" means that the NFT is verified;
"0" means that we did not find any information about whether the NFT is verified.
| |
| `same_nfts` | It describes the info of other NFTs with duplicate names and symbols.
The info includes:
(1) "nft\_name" describes the name of the NFT;
(2) "nft\_symbol" describes the symbol of the NFT;
(3) “nft\_address” describes the address of the NFTs;
(4) “nft\_owner\_number” describes the holders of the NFT;
(5) “create\_block\_number” describes the number of blocks created for the NFT.
Return "null" means no NFTs with duplicate names and symbols.
| |
| `trust_list` | It describes whether the NFT is a famous and trustworthy one.
"1" means true;
Return "null" means no result.
| (1) Only "trust\_list": "1" means it is a famous and trustworthy NFT.
(2) Return "null" doesn't mean it is risky.
|
| `malicious_nft_contract` | It describes whether this NFT has performed malicious behaviors.
"1" means true;
"0" means false.
| Malicious behaviors include random additions, blacklist abuse, falsified transactions, and other high-risk behaviors. Interacting with NFTs flagged as Malicious may contain a high level of risk. |
| `nft_open_source` | It describes whether this contract is open source.
"1" means true;
"0" means false.
| Un-open-sourced contracts may hide various unknown mechanisms and are extremely risky. When the contract is not open source, we will not be able to detect other risk items. |
| `nft_proxy` | It describes whether this NFT contract has a proxy contract.
"1" means true;
"0" means false;
"Null" means unknown.
| (1) When "is\_open\_source": "0", it will return "null".
(2) Most Proxy contracts are accompanied by modifiable implementation contracts, and implementation contracts may contain significant potential risk.
|
| `metadata_frozen` | It describes whether the metadata of this NFT is stored in IPFS, AR, generated by contract, or another decentralized way.
"1" means true;
"0" means false;
"Null" means unknown.
| When "is\_open\_source": "0", it will return "null". |
| `privileged_burn` | It describes whether the NFT owner can burn others' NFT.
(1)value
The "value" describes the status of the risk.
null: the contract is not open source or there is a proxy, it is not possible to detect whether the risk exists. -1: the risk is detected but the ownership gives up. If the detection of a code vulnerability, it can also be considered risk-free.
0: the risk is not detected.
1: the risk is detected, and the owner's address is a common address (EOA), then it can be said that there is a clear risk.
2: The risk is detected, but the owner's address is a contract address, the risk is not significant.
3: The risk is detected, but the owner's address is not detectable / or an array.
(2)owner\_address
Owner\_address describes the owner's address.
null: the owner's address cannot be fetched.
(3)owner\_type
"blackhole": the owner is a blackhole address.
"contract": the owner is a contract.
"eoa": the owner is a common address (eoa).
"multi-address": the owner is an array/list.
null: the address is not detected.
| Privileged\_burn means that the owner can burn others' NFTs directly through the method. |
| `transfer_without_approval` | It describes whether the NFT owner can transfer NFT without approval.
Other contents are the same as above.
| Transfer\_without\_approval generally means the scammer does not need to get approvals to transfer another address's NFT.
One typical example is sleep\_minting. Sleep\_minting means that the scammer will first add the NFT to a well-known wallet address and then retrieve the NFT. After the value of the NFT has appreciated, it will be put back on the market.
|
| `privileged_minting` | It describes whether the NFT contract has minting methods which can only be triggered by an address with special privileges.
Other contents are the same as above.
| Some minting methods can only be triggered by an address with special privileges. Generally speaking, these are usually for the owner to mint. |
| `self_destruct` | It describes whether this NFT contract can self-destruct.
Other contents are the same as above.
| When the self-destruct function is triggered, this contract will be destroyed, all functions will be unavailable, and all related assets will be erased. |
| `restricted_approval` | It describes whether the NFT contract can restrict the approval, resulting in NFT can not be traded on the NFT DEX.
"1" means true;
"0" means false;
"Null" means unknown.
| If this risk exists, it means that users will not be able to trade the NFT on the exchange and only privileged users in the whitelist will be able to trade normally. |
| `oversupply_minting` | It describes whether this NFT owner can bypass the maximum amount of minting specified in the contract, and continue to mint NFTs beyond this limit.
"1" means true;
"0" means false;
"Null" means unknown.
| Oversupply minting refers to the existence of a special mint method in the NFT contract — the owner can bypass the maximum amount of minting specified in the contract, and continue to mint NFTs beyond this limit. |
## Example
#### Request
```
curl --request POST \
--url https://endpoints.omniatech.io/v1/RPC_ENDPOINT \
--header 'accept: application/json' \
--header 'content-type: application/json' \
--data '
{
"id": 1,
"jsonrpc": "2.0",
"method": "omnia_checknftsecurity",
"params": [
{
"contractAddress": "0x76BE3b62873462d2142405439777e971754E8E77"
}
]
}
'
```
#### Response
```
{
"id": 1,
"jsonrpc": "2.0",
"result": {
"nft_address": "0x76be3b62873462d2142405439777e971754e8e77",
"traded_volume_24h": 19.3307,
"red_check_mark": null,
"total_volume": 92038.56,
"nft_proxy": 0,
"restricted_approval": 0,
"highest_price": 360,
"transfer_without_approval": {
"value": 0
},
"discord_url": "https://discord.gg/parallelalpha",
"nft_open_source": 1,
"privileged_minting": {
"owner_address": "0x74db0bbfde94aa80a135c5f8b60c0ca3d17332f2",
"value": 1,
"owner_type": "eoa"
},
"nft_owner_number": 58763,
"trust_list": 0,
"token_id": null,
"lowest_price_24h": 0.0003,
"average_price_24h": 0.0732,
"nft_erc": "erc1155",
"creator_address": "0x74db0bbfde94aa80a135c5f8b60c0ca3d17332f2",
"medium_url": null,
"malicious_nft_contract": 0,
"privileged_burn": {
"owner_address": null,
"value": 0,
"owner_type": null
},
"twitter_url": "https://twitter.com/parallelnft",
"nft_description": "Sci-fi collectable card game with NFTs.",
"nft_symbol": "LL",
"self_destruct": {
"owner_address": null,
"value": 0,
"owner_type": null
},
"metadata_frozen": null,
"token_owner": null,
"nft_verified": 1,
"same_nfts": [
{
"nft_address": "0x4aae6652a96eab7b7be9907c9377044ecc84cf2c",
"nft_name": "Parallel",
"nft_owner_number": 1,
"create_block_number": 14502533,
"nft_symbol": "LL"
},
{
"nft_address": "0x6e642794b0356f1170c65c2fa65b711c6c8c1c63",
"nft_name": "parallel",
"nft_owner_number": 1,
"create_block_number": 14885561,
"nft_symbol": "LL"
}
],
"nft_items": 1069,
"oversupply_minting": null,
"nft_name": "parallel",
"github_url": null,
"website_url": "http://www.parallel.life",
"telegram_url": null,
"sales_24h": 264,
"create_block_number": 12097989
}
}
```