> ## Documentation Index > Fetch the complete documentation index at: https://docs.chainbase.com/llms.txt > Use this file to discover all available pages before exploring further. # Contract call > Calls a specific function for the specified contract. ## OpenAPI ````yaml post /v1/contract/call openapi: 3.0.2 info: title: 🛠️ Basic API version: v1.0.0 servers: - url: https://api.chainbase.online description: production server security: [] paths: /v1/contract/call: post: tags: - Contract summary: Contract call description: Calls a specific function for the specified contract. operationId: ContractCall parameters: - required: true schema: title: X-Api-Key type: string example: demo example: demo name: x-api-key in: header requestBody: content: application/json: schema: $ref: '#/components/schemas/ContractCallBody' required: true responses: '200': description: Successful Response content: application/json: schema: $ref: '#/components/schemas/ResponseContractCall' '400': description: Bad Request content: application/json: schema: $ref: '#/components/schemas/ErrorMessage' '401': description: Unauthorized content: application/json: schema: $ref: '#/components/schemas/ErrorMessage' '403': description: Forbidden content: application/json: schema: $ref: '#/components/schemas/ErrorMessage' '404': description: Not Found content: application/json: schema: $ref: '#/components/schemas/ErrorMessage' '422': description: Unprocessable Entity content: application/json: schema: $ref: '#/components/schemas/ErrorMessage' '500': description: Internal Server Error content: application/json: schema: $ref: '#/components/schemas/ErrorMessage' components: schemas: ContractCallBody: title: ContractCallBody required: - chain_id - contract_address - function_name - abi - params - to_block type: object properties: chain_id: title: Chain Id type: integer contract_address: title: Contract Address type: string function_name: title: Function Name type: string abi: title: Abi type: string params: title: Params type: array items: {} to_block: title: To Block type: string example: chain_id: 1 contract_address: '0xed5af388653567af2f388e6224dc7c4b3241c544' function_name: name abi: | [ { "inputs": [ { "internalType": "uint256", "name": "maxBatchSize_", "type": "uint256" }, { "internalType": "uint256", "name": "collectionSize_", "type": "uint256" }, { "internalType": "uint256", "name": "amountForAuctionAndDev_", "type": "uint256" }, { "internalType": "uint256", "name": "amountForDevs_", "type": "uint256" } ], "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "owner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "approved", "type": "address" }, { "indexed": true, "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "Approval", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "owner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "operator", "type": "address" }, { "indexed": false, "internalType": "bool", "name": "approved", "type": "bool" } ], "name": "ApprovalForAll", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "previousOwner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "from", "type": "address" }, { "indexed": true, "internalType": "address", "name": "to", "type": "address" }, { "indexed": true, "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "Transfer", "type": "event" }, { "inputs": [], "name": "AUCTION_DROP_INTERVAL", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "AUCTION_DROP_PER_STEP", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "AUCTION_END_PRICE", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "AUCTION_PRICE_CURVE_LENGTH", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "AUCTION_START_PRICE", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "", "type": "address" } ], "name": "allowlist", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "allowlistMint", "outputs": [], "stateMutability": "payable", "type": "function" }, { "inputs": [], "name": "amountForAuctionAndDev", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "amountForDevs", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "approve", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "quantity", "type": "uint256" } ], "name": "auctionMint", "outputs": [], "stateMutability": "payable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "owner", "type": "address" } ], "name": "balanceOf", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "quantity", "type": "uint256" } ], "name": "devMint", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint64", "name": "mintlistPriceWei", "type": "uint64" }, { "internalType": "uint64", "name": "publicPriceWei", "type": "uint64" }, { "internalType": "uint32", "name": "publicSaleStartTime", "type": "uint32" } ], "name": "endAuctionAndSetupNonAuctionSaleInfo", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "getApproved", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "_saleStartTime", "type": "uint256" } ], "name": "getAuctionPrice", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "getOwnershipData", "outputs": [ { "components": [ { "internalType": "address", "name": "addr", "type": "address" }, { "internalType": "uint64", "name": "startTimestamp", "type": "uint64" } ], "internalType": "struct ERC721A.TokenOwnership", "name": "", "type": "tuple" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "owner", "type": "address" }, { "internalType": "address", "name": "operator", "type": "address" } ], "name": "isApprovedForAll", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "publicPriceWei", "type": "uint256" }, { "internalType": "uint256", "name": "publicSaleKey", "type": "uint256" }, { "internalType": "uint256", "name": "publicSaleStartTime", "type": "uint256" } ], "name": "isPublicSaleOn", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "maxPerAddressDuringMint", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "name", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "nextOwnerToExplicitlySet", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "owner", "type": "address" } ], "name": "numberMinted", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "owner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "ownerOf", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "quantity", "type": "uint256" }, { "internalType": "uint256", "name": "callerPublicSaleKey", "type": "uint256" } ], "name": "publicSaleMint", "outputs": [], "stateMutability": "payable", "type": "function" }, { "inputs": [], "name": "renounceOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "safeTransferFrom", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" }, { "internalType": "bytes", "name": "_data", "type": "bytes" } ], "name": "safeTransferFrom", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "saleConfig", "outputs": [ { "internalType": "uint32", "name": "auctionSaleStartTime", "type": "uint32" }, { "internalType": "uint32", "name": "publicSaleStartTime", "type": "uint32" }, { "internalType": "uint64", "name": "mintlistPrice", "type": "uint64" }, { "internalType": "uint64", "name": "publicPrice", "type": "uint64" }, { "internalType": "uint32", "name": "publicSaleKey", "type": "uint32" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address[]", "name": "addresses", "type": "address[]" }, { "internalType": "uint256[]", "name": "numSlots", "type": "uint256[]" } ], "name": "seedAllowlist", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "operator", "type": "address" }, { "internalType": "bool", "name": "approved", "type": "bool" } ], "name": "setApprovalForAll", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint32", "name": "timestamp", "type": "uint32" } ], "name": "setAuctionSaleStartTime", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "string", "name": "baseURI", "type": "string" } ], "name": "setBaseURI", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "quantity", "type": "uint256" } ], "name": "setOwnersExplicit", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint32", "name": "key", "type": "uint32" } ], "name": "setPublicSaleKey", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes4", "name": "interfaceId", "type": "bytes4" } ], "name": "supportsInterface", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "symbol", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "index", "type": "uint256" } ], "name": "tokenByIndex", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "owner", "type": "address" }, { "internalType": "uint256", "name": "index", "type": "uint256" } ], "name": "tokenOfOwnerByIndex", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "tokenURI", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "totalSupply", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "transferFrom", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "withdrawMoney", "outputs": [], "stateMutability": "nonpayable", "type": "function" } ] to_block: latest ResponseContractCall: title: ResponseContractCall required: - data type: object properties: code: title: Code type: integer default: 0 message: title: Message type: string default: ok data: title: Data type: array items: {} ErrorMessage: title: ErrorMessage required: - code - message type: object properties: code: title: Code type: integer message: title: Message type: string ````