debug_getBadBlocks

Description

Interact with Substrate JSON‑RPC. This method is commonly used to build reliable indexers, developer tooling, and responsive UIs.

Lists problematic blocks seen by the node. Often disabled on public RPC.

Code Examples

cURL

curl -X POST https://api-bittensor-mainnet.n.dwellir.com/YOUR_API_KEY \
+  -H 'Content-Type: application/json' \
+  -d '{"jsonrpc":"2.0","method":"debug_getBadBlocks","params":[],"id":1}'

Python

import requests, json

url = 'https://api-bittensor-mainnet.n.dwellir.com/YOUR_API_KEY'
headers = {'Content-Type': 'application/json'}
payload = {
  "jsonrpc": "2.0",
  "method": "debug_getBadBlocks",
  "params": [],
  "id": 1
}
res = requests.post(url, headers=headers, data=json.dumps(payload))
print(res.json()['result'])

JavaScript

const res = await fetch('https://api-bittensor-mainnet.n.dwellir.com/YOUR_API_KEY', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
  "jsonrpc": "2.0",
  "method": "debug_getBadBlocks",
  "params": [],
  "id": 1
})
});
const data = await res.json();
console.log(data.result);