> ## Documentation Index > Fetch the complete documentation index at: https://docs.immutable.com/llms.txt > Use this file to discover all available pages before exploring further. # List owners by contract address > List owners by contract address ## OpenAPI ````yaml https://imx-openapiv3-mr-sandbox.s3.us-east-2.amazonaws.com/openapi.json get /v1/chains/{chain_name}/collections/{contract_address}/owners openapi: 3.0.3 info: title: Immutable zkEVM API version: 1.0.0 description: Immutable Multi Rollup API contact: name: Immutable API Support email: support@immutable.com url: https://support.immutable.com servers: - url: https://api.sandbox.immutable.com security: [] tags: - name: activities description: Activities Endpoints x-displayName: activities - name: chains description: Chains Endpoints x-displayName: chains - name: collections description: Collections Endpoints x-displayName: collections - name: nfts description: NFTs Endpoints x-displayName: nfts - name: nft owners description: NFT Owner Endpoints x-displayName: nft owners - name: metadata description: NFT Metadata Endpoints x-displayName: metadata - name: tokens description: ERC20 Token Endpoints x-displayName: tokens - name: demopage description: Temporary HTML endpoint for demo purposes x-displayName: demopage - name: verification x-displayName: verification - name: operatorallowlist x-displayName: operatorallowlist - name: crafting x-displayName: crafting - name: listings description: Listings Endpoints x-displayName: listings - name: orders x-displayName: orders - name: passport description: Passport operations x-displayName: passport - name: gamefi description: team gamefi x-displayName: gamefi - name: health x-displayName: health - name: passport profile description: Passport Profile endpoints x-displayName: passport profile - name: feed-items x-displayName: feed-items - name: assets x-displayName: assets - name: guardian description: Guardian endpoints x-displayName: guardian - name: pricing description: Pricing Endpoints x-displayName: pricing - name: metadata-search x-displayName: metadata-search paths: /v1/chains/{chain_name}/collections/{contract_address}/owners: get: tags: - nft owners summary: List owners by contract address description: List owners by contract address operationId: ListOwnersByContractAddress parameters: - name: contract_address in: path description: The address of contract required: true schema: type: string example: '0x8a90cab2b38dba80c64b7734e58ee1db38b8992e' - name: chain_name description: The name of chain in: path required: true schema: $ref: '#/components/schemas/ChainName' examples: testnet: value: imtbl-zkevm-testnet summary: Immutable zkEVM Public Testnet - name: account_address in: query required: false description: List of account addresses to filter by schema: type: array maxItems: 30 items: type: string example: '0xe9b00a87700f660e46b6f5deaa1232836bcc07d3' - name: from_updated_at in: query description: Datetime to use as the oldest updated timestamp required: false schema: type: string example: '2022-08-16T17:43:26.991388Z' format: date-time - name: page_cursor in: query description: >- Encoded page cursor to retrieve previous or next page. Use the value returned in the response. required: false schema: $ref: '#/components/schemas/PageCursor' - name: page_size description: Maximum number of items to return in: query required: false schema: $ref: '#/components/schemas/PageSize' responses: '200': description: 200 response content: application/json: schema: $ref: '#/components/schemas/ListCollectionOwnersResult' '400': $ref: '#/components/responses/BadRequest' '404': $ref: '#/components/responses/NotFound' '500': $ref: '#/components/responses/InternalServerError' components: schemas: ChainName: type: string description: The name of chain example: imtbl-zkevm-testnet PageCursor: type: string description: >- Encoded page cursor to retrieve previous or next page. Use the value returned in the response. example: >- ewogICJ0eXBlIjogInByZXYiLAogICJpdGVtIjogewogICAgImlkIjogNjI3NTEzMCwKICAgICJjcmVhdGVkX2F0IjogIjIwMjItMDktMTNUMTc6MDQ6MTIuMDI0MTI2WiIKICB9Cn0= PageSize: type: integer format: int32 description: Maximum number of items to return minimum: 1 default: 100 maximum: 200 example: 10 ListCollectionOwnersResult: type: object properties: result: description: List of NFT owners type: array items: $ref: '#/components/schemas/NFTWithOwner' page: $ref: '#/components/schemas/Page' required: - result - page NFTWithOwner: type: object properties: chain: $ref: '#/components/schemas/Chain' contract_address: type: string description: The address of NFT contract example: '0x5a019874f4fae314b0eaa4606be746366e661306' token_id: description: An `uint256` token id as string type: string example: '1' account_address: type: string description: The account address of the owner of the NFT example: '0x5a019874f4fae314b0eaa4606be746366e661306' balance: type: string description: The amount of owned tokens (uint256 as string) example: '1' updated_at: type: string format: date-time example: '2022-08-16T17:43:26.991388Z' description: When the owner last changed for the given NFT required: - chain - contract_address - token_id - account_address - balance - updated_at Page: type: object description: Pagination properties properties: previous_cursor: type: string nullable: true description: First item as an encoded string example: >- ewogICJ0eXBlIjogInByZXYiLAogICJpdGVtIjogewogICAgImlkIjogNjI3NTEzMCwKICAgICJjcmVhdGVkX2F0IjogIjIwMjItMDktMTNUMTc6MDQ6MTIuMDI0MTI2WiIKICB9Cn0= next_cursor: type: string nullable: true description: Last item as an encoded string example: >- ewogICJ0eXBlIjogInByZXYiLAogICJpdGVtIjogewogICAgImlkIjogNjI3NTEzMCwKICAgICJjcmVhdGVkX2F0IjogIjIwMjItMDktMTNUMTc6MDQ6MTIuMDI0MTI2WiIKICB9Cn0= required: - previous_cursor - next_cursor APIError400: allOf: - $ref: '#/components/schemas/BasicAPIError' - type: object properties: code: type: string description: Error Code enum: - VALIDATION_ERROR example: VALIDATION_ERROR details: type: object nullable: true description: Additional details to help resolve the error required: - code - details APIError404: allOf: - $ref: '#/components/schemas/BasicAPIError' - type: object properties: code: type: string description: Error Code enum: - RESOURCE_NOT_FOUND example: RESOURCE_NOT_FOUND details: type: object nullable: true description: Additional details to help resolve the error required: - code - details APIError500: allOf: - $ref: '#/components/schemas/BasicAPIError' - type: object properties: code: type: string description: Error Code enum: - INTERNAL_SERVER_ERROR example: INTERNAL_SERVER_ERROR details: type: object nullable: true description: Additional details to help resolve the error required: - code - details Chain: type: object description: The chain details properties: id: type: string description: The id of chain example: eip155:13372 name: type: string description: The name of chain example: imtbl-zkevm-testnet required: - id - name BasicAPIError: type: object properties: message: type: string description: Error Message example: all fields must be provided link: type: string description: Link to IMX documentation that can help resolve this error example: https://docs.x.immutable.com/reference/#/ trace_id: type: string description: Trace ID of the initial request example: e47634b79a5cd6894ddc9639ec4aad26 required: - message - link - trace_id responses: BadRequest: description: Bad Request (400) content: application/json: schema: $ref: '#/components/schemas/APIError400' NotFound: description: The specified resource was not found (404) content: application/json: schema: $ref: '#/components/schemas/APIError404' InternalServerError: description: Internal Server Error (500) content: application/json: schema: $ref: '#/components/schemas/APIError500' ````