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latestOpenAPI 3.1.02026-07-243035381.4 MB
Cardano - Tatum API

Broadcast signed Ada transaction

/v3/ada/broadcast

You can work with Cardano by connecting directly to a blockchain node provided by Tatum.

2 credits per API call.

Broadcasts a signed transaction to the Ada blockchain. This method is used internally from Tatum KMS or Tatum Client Libraries. It is possible to create a custom signing mechanism and only use this method for broadcasting data to the blockchain.

post/v3/ada/broadcast

Request body

txDatastring required

Raw signed transaction to be published to network.

signatureIdstring uuid

ID of prepared payment template to sign. Required only, when broadcasting transaction signed by Tatum KMS.

indexnumber

(Only if the signature ID is mnemonic-based and you run KMS v6.2 or later) The index of the address to send the assets from that was generated from the mnemonic

Example request

{
  "txData": "62BD544D1B9031EFC330A3E855CC3A0D51CA5131455C1AB3BCAC6D243F65460D",
  "signatureId": "1f7f7c0c-3906-4aa1-9dfe-4b67c43918f6"
}

Response

OK

txIdstring required

The hash (ID) of the transaction

Example response

{
  "txId": "c83f8818db43d9ba4accfe454aa44fc33123d47a4f89d47b314d6748eb0e9bc9"
}