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You can read contract data efficiently using the contract read API.

GET /v1/contract/read
Content-Type: application/json
x-secret-key: <your-project-secret-key>
 
{
    "readOptions": {
      "chainId": "1" // your chain id
	  "from": "0x...", // optional, if you want to read from a specific address
    },
    "params": [{
      "contractAddress": "0x...",
      "method": "function allowance(address owner, address spender)",
      "params": ["0x...", "0x..."],
    }],
}

You can batch multiple contract reads in a single request, and the response will be an array of results or errors.

You can write to a contract using the contract write API.

POST /v1/contract/write
Content-Type: application/json
x-secret-key: <your-project-secret-key>
 
{
	"executionOptions": {
		"from": "0x...", // your server wallet address
		"chainId": "1" // your chain id
	},
	"params": [{
		"contractAddress": "0x...",
		"method": "function transfer(address to, uint256 amount)",
		"params": ["0x...", "1000000000000000000"],
	}]
}

You can batch multiple contract writes in a single request, and the transactions will be batched atomically onchain.

You can deploy a contract using the contract deploy API.