POST
/
365cf697a3ad6d950b4c4a911e2e4f4d
curl --request POST \
  --url https://starknet-mainnet.core.chainstack.com/365cf697a3ad6d950b4c4a911e2e4f4d \
  --header 'Content-Type: application/json' \
  --data '{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "starknet_getClassAt",
  "params": [
    {
      "block_number": 385940
    },
    "0x073314940630fd6dcda0d772d4c972c4e0a9946bef9dabf4ef84eda8ef542b82"
  ]
}'

Starknet OpenRPC spec

For the latest version of the publicly maintained OpenRPC spec, see the Starknet specs GitHub repo.

Starknet API method that returns the class of a contract at a given address.

It provides the class of a contract at a specific address. This is useful for clients or wallets to inspect the class of a contract, which can provide information about the contract’s functionality and behavior.

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​
Parameters

  • address — the string of the address of the contract.

​
Response

  • class — the class of the contract at the given address.

​
Use case

A practical use case for starknet_getClassAt is to retrieve the class of a specific contract. For example, a wallet may use this method to display the class of a contract to a user, or a client may use it to verify the class of a contract before interacting with it.

​
Deprecated feeder gateway method

The feeder gateway was deprecated on December 11, 2023.

Example of the call you had to make to the feeder gateway before the deprecation:

Shell
curl 'https://alpha-mainnet.starknet.io/feeder_gateway/get_full_contract?contractAddress=0x073314940630fd6dcda0d772d4c972c4e0a9946bef9dabf4ef84eda8ef542b82'

Body

application/json
​
id
integer
default:1
​
jsonrpc
string
default:2.0
​
method
string
default:starknet_getClassAt
​
params
array

Response

200

Successful response