Blockchain.com · JSON Structure

Data Api Tx Input Structure

A single Bitcoin transaction input.

Type: object Properties: 4
CryptocurrencyBitcoinBlockchain DataExchangeMarket DataTradingPaymentsPublic APIs

TxInput is a JSON Structure definition published by Blockchain.com, describing 4 properties. It conforms to the https://json-structure.org/meta/core/v0/# meta-schema.

Properties

sequence witness script prev_out

Meta-schema: https://json-structure.org/meta/core/v0/#

JSON Structure

Raw ↑
{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/blockchain/refs/heads/main/json-structure/data-api-tx-input-structure.json",
  "name": "TxInput",
  "description": "A single Bitcoin transaction input.",
  "type": "object",
  "properties": {
    "sequence": {
      "type": "int64",
      "description": "Sequence number.",
      "example": 1
    },
    "witness": {
      "type": "string",
      "description": "SegWit witness data."
    },
    "script": {
      "type": "string",
      "description": "Input script (scriptSig) as hex."
    },
    "prev_out": {
      "type": "object",
      "description": "A single Bitcoin transaction output (a UTXO before it is spent).",
      "properties": {
        "type": {
          "type": "int32",
          "description": "Output type indicator.",
          "example": 1
        },
        "spent": {
          "type": "boolean",
          "description": "True if the output has been spent.",
          "example": true
        },
        "value": {
          "type": "int64",
          "description": "Value in Satoshi.",
          "example": 100000
        },
        "spending_outpoints": {
          "type": "array",
          "description": "Outpoints that spent this output (when spent).",
          "items": {
            "type": "object",
            "properties": {
              "tx_index": {
                "type": "int64"
              },
              "n": {
                "type": "int32"
              }
            }
          }
        },
        "n": {
          "type": "int32",
          "description": "Output index within the transaction.",
          "example": 1
        },
        "tx_index": {
          "type": "int64",
          "description": "Internal transaction index.",
          "example": 1
        },
        "script": {
          "type": "string",
          "description": "Output script (scriptPubKey) as hex."
        },
        "addr": {
          "type": "string",
          "description": "Destination address (when derivable)."
        }
      }
    }
  }
}