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POST
/
uni
/
v1
/
json-rpc
curl --request POST \
  --url https://api.uniblock.dev/uni/v1/json-rpc?chainId=1 \
  --header 'content-type: application/json' \
  --data '{
    "id": 1,
    "jsonrpc": "2.0",
    "method": "eth_getRawTransactionByBlockNumberAndIndex",
    "params": [
      "0x10fb78",
      "0x1"
    ]
  }'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0xf86c018504a817c8008252089471c7656ed63d30e271b7db6f5cb94d10d5c2b7b3880de0b6b3a76400008025a0ba4681b..."
}

​
Parameters

​
chainId
string
default:"1"
required
Unique identifier for a blockchain network.
​
id
number
default:1
required
Request identifier used to match responses.
​
jsonrpc
string
default:"2.0"
required
JSON-RPC version.
​
method
string
default:"eth_getRawTransactionByBlockNumberAndIndex"
required
JSON-RPC method name.
​
params
object
default:["0x10fb78","0x1"]
required
Parameters: [blockNumber, transactionIndex]Positional parameters for eth_getRawTransactionByBlockNumberAndIndex:
  • params[0]: The block number (hex string or tag like “latest”, “finalized”, “safe”).
  • params[1]: The index of the transaction within the block (hexadecimal).

​
Returns

​
result
string
Raw transaction data as a hexadecimal string, including the full signed transaction. Example: “0xf86c018504a817c8008252089471c7656ed63d30e271b7db6f5cb94d10d5c2b7b3880de0b6b3a76400008025a0ba4681b…”.
curl --request POST \
  --url https://api.uniblock.dev/uni/v1/json-rpc?chainId=1 \
  --header 'content-type: application/json' \
  --data '{
    "id": 1,
    "jsonrpc": "2.0",
    "method": "eth_getRawTransactionByBlockNumberAndIndex",
    "params": [
      "0x10fb78",
      "0x1"
    ]
  }'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0xf86c018504a817c8008252089471c7656ed63d30e271b7db6f5cb94d10d5c2b7b3880de0b6b3a76400008025a0ba4681b..."
}