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POST
/
construction
/
combine
Create Network Transaction from Signatures
curl --request POST \
  --url https://example.com/construction/combine \
  --header 'Content-Type: application/json' \
  --data '
{
  "network_identifier": {
    "blockchain": "bitcoin",
    "network": "mainnet",
    "sub_network_identifier": {
      "network": "shard 1",
      "metadata": {
        "producer": "0x52bc44d5378309ee2abf1539bf71de1b7d7be3b5"
      }
    }
  },
  "unsigned_transaction": "<string>",
  "signatures": [
    {
      "signing_payload": {
        "hex_bytes": "<string>",
        "address": "<string>",
        "account_identifier": {
          "address": "0x3a065000ab4183c6bf581dc1e55a605455fc6d61",
          "sub_account": {
            "address": "0x6b175474e89094c44da98b954eedeac495271d0f",
            "metadata": {}
          },
          "metadata": {}
        },
        "signature_type": "ecdsa"
      },
      "public_key": {
        "hex_bytes": "<string>",
        "curve_type": "secp256k1"
      },
      "signature_type": "ecdsa",
      "hex_bytes": "<string>"
    }
  ]
}
'
{
  "signed_transaction": "<string>"
}

Body

application/json

ConstructionCombineRequest is the input to the /construction/combine endpoint. It contains the unsigned transaction blob returned by /construction/payloads and all required signatures to create a network transaction.

​
network_identifier
object
required

The network_identifier specifies which network a particular object is associated with.

​
unsigned_transaction
string
required
​
signatures
object[]
required

Response

Expected response to a valid request

ConstructionCombineResponse is returned by /construction/combine. The network payload will be sent directly to the construction/submit endpoint.

​
signed_transaction
string
required