starknet_getClassHashAt

POST

/{apiKey}

Get the contract class hash in the given block for the contract deployed at the given address

Path Parameters

apiKeystringrequireddefaults to docs-demo

For higher throughput, create your own API key

Request

block_idobject or enumrequired

The hash of the requested block, or number (height) of the requested block, or a block tag

Block hash, number or tag

contract_addressstringformat: "^0x(0|[a-fA-F1-9]{1}[a-fA-F0-9]{0,62})$"required

The address of the contract whose class hash will be returned

Responses

200

The class hash of the given contract

A field element. Represented by at most 63 hex digits

POST/v2/{apiKey}

curl --request POST \  --url https://starknet-mainnet.g.alchemy.com/v2/docs-demo \  --header 'Content-Type: application/json' \  --data '{  "jsonrpc": "2.0",  "id": 1,  "method": "starknet_getClassHashAt",  "params": [    {      "block_hash": "string"    },    "string"  ]}'

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