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POST
debug_getBadBlocks
curl --request POST \
  --url https://tempo-mainnet.core.chainstack.com/c3ce2925b51f1ed18719fe8a23bbdccf/ \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "method": "debug_getBadBlocks",
  "params": [],
  "id": 1
}
'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": "<unknown>"
}
Tempo API method that returns a list of invalid blocks that the node has encountered. Useful for debugging consensus or block validation issues.
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​
Parameters

  • none

​
Response

  • result — an array of bad block objects that the node has encountered. Each object contains the full block data and the reason it was rejected.

​
debug_getBadBlocks code examples

curl -X POST "CHAINSTACK_NODE_URL" \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc": "2.0", "method": "debug_getBadBlocks", "params": [], "id": 1}'

Body

application/json
​
jsonrpc
string
default:2.0
​
method
string
default:debug_getBadBlocks
​
params
any[]

Method parameters

​
id
integer
default:1

Response

200 - application/json

Successful response

​
jsonrpc
string
​
id
integer
​
result
any

Method result

Last modified on May 18, 2026