GET
/
v1
/
access
/
owner
curl --request GET \
  --url https://api.oneofnone.io/v1/access/owner \
  --header 'x-api-key: <api-key>'
{
  "is_owner": true
}

Authorizations

x-api-key
string
header
required

The API key required for accessing protected routes. It should be included in the request headers as x-api-key.

Query Parameters

wallet
string
required

The wallet address of the user to check ownership for.

address
string
required

The contract address of the NFT collection to check against.

token_id
integer

Optional specific token ID to check ownership for. If not provided, the check is for any NFT from the collection.

Required range: x >= 1
chain
enum<string>

The blockchain network where the NFT resides. Defaults to BASE if not specified.

Available options:
ETH,
POLY,
BASE,
BASE_SEPOLIA,
ALL

Response

200
application/json
is_owner
boolean

Indicates whether the user is the owner of the NFT(s).