alchemy_simulateAssetChanges

POST

/:apiKey

POST

/v2/:apiKey

1 import requests
2 
3 url = "https://eth-mainnet.g.alchemy.com/v2/:apiKey"
4 
5 payload = { "0": {
6         "from": "0xd8da6bf26964af9d7eed9e03e53415d37aa96045",
7         "to": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
8         "data": "0xa9059cbb000000000000000000000000fc43f5f9dd45258b3aff31bdbe6561d97e8b71de00000000000000000000000000000000000000000000000000000000000f4240",
9         "gas": "0x5208",
10         "gasPrice": "0x3b9aca00"
11     } }
12 headers = {"Content-Type": "application/json"}
13 
14 response = requests.post(url, json=payload, headers=headers)
15 
16 print(response.json())

Try it

200Successful

1 {
2   "jsonrpc": "2.0",
3   "id": "1",
4   "result": {
5     "changes": [
6       {
7         "assetType": "ERC20",
8         "changeType": "TRANSFER",
9         "from": "0xd8da6bf26964af9d7eed9e03e53415d37aa96045",
10         "to": "0xfc43f5f9dd45258b3aff31bdbe6561d97e8b71de",
11         "rawAmount": "1000000",
12         "contractAddress": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
13         "decimals": 6,
14         "symbol": "USDC",
15         "name": "USD Coin",
16         "logo": "https://static.alchemyapi.io/images/assets/3408.png",
17         "amount": "1",
18         "tokenId": null
19       }
20     ],
21     "gasUsed": "0x5208",
22     "error": null
23   }
24 }

Simulates a transaction and returns a list of asset changes.

Path parameters

apiKeystringRequiredDefaults to docs-demo

Request

This endpoint expects an object.

transactionobjectRequired

Object describing the transaction to simulate.

Response

The asset changes resulting from the transaction simulation.

changeslist of objects or null