Broadcast signed Ethereum transaction

post

https://api.tatum.io/v3/ethereum/broadcast

/v3/ethereum/broadcast

2 credits per API call

Broadcast signed transaction to Ethereum blockchain. This method is used internally from Tatum KMS or Tatum client libraries. It is possible to create custom signing mechanism and use this method only for broadcasting data to the blockchain.

Query Params

testnetType

string

enum

Defaults to ethereum-sepolia

Type of Ethereum testnet in query. Defaults to ethereum-sepolia. For mainnet API Key, this value is ignored.

Allowed:

Body Params

txData

string

required

length between 1 and 500000

Raw signed transaction to be published to network.

signatureId

uuid

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

index

number

0 to 2147483647

(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

Headers

x-testnet-type

string

enum

Defaults to ethereum-sepolia

Type of Ethereum testnet in header. Defaults to ethereum-sepolia. For mainnet API Key, this value is ignored.

Allowed:

Responses

Language

Credentials

Header

Response

Click Try It! to start a request and see the response here! Or choose an example:

application/json

200OK

400Bad Request

401Unauthorized. Not valid or inactive subscription key present in the HTTP Header.

403Forbidden. The request is authenticated, but it is not possible to required perform operation due to logical error or invalid permissions.

500Internal server error. There was an error on the server during the processing of the request.