submitpackage | Alchemy Docs

1 import requests 2 3 url = "https://bitcoin-mainnet.g.alchemy.com/v2/:apiKey" 4 5 payload = { "0": ["0200000000010153fc6712e0c6cbfd15e56743f2a16bba3c0b17837d4fd33d68d2d930739e2b130000000000ffffffff01c0c62d0000000000160014c24b61118d4a2b36257b65e1ea7f15f85e41ff0402483045022100ac32e935715a57ec1d642a5e178c37f74c013bf8e4edc4cb1c79f5352f136e87022020b0b3192347d1b84e9b89d00a2ecb290f18f9c39e514fa3ef2b7a889e7b6c1b012103ab0b56c7aa6254a80c124e04d2149f7fc376afedfe4623f3c59b87c279eaeb1400000000"] } 6 headers = {"Content-Type": "application/json"} 7 8 response = requests.post(url, json=payload, headers=headers) 9 10 print(response.json())

1 { 2 "jsonrpc": "2.0", 3 "id": "1", 4 "result": { 5 "package_msg": "transaction failed", 6 "tx-results": { 7 "6dbccbd4775598af6e9713cd84e90e80431ecc7e932c4b832ab3966ad988bc08": { 8 "txid": "c67ecf450828d639a8cf3d74f168fe6bd9a1121a1167a1d46908d703f871c3a6", 9 "error": "bad-txns-inputs-missingorspent" 10 } 11 }, 12 "replaced-transactions": [] 13 } 14 }

Submits a package containing multiple raw transactions to the mempool for validation and acceptance.

Path parameters

apiKeystringRequiredDefaults to docs-demo

Request

This endpoint expects an object.

packagelist of stringsRequired

An array of raw transactions (serialized hex strings) to be submitted as a package.

Response

Transaction results keyed by wtxid.

package_msgstring or null

Status message for the package (e.g., “transaction failed”)

tx-resultsmap from strings to objects or null

replaced-transactionslist of strings or null

List of replaced txids (if any)