Blockdaemon REST API - Create an Unsigned Transaction

Time	Status	User Agent
Make a request to see history.

URL Expired

The URL for this request expired after 30 days.

Compute Unit Value: `10` (fixed)

Supported Protocols & Networks

Protocol	Network	Path Parameter
Avalanche	Mainnet-c	`avalanche-mainnet-c`
Testnet-c	`avalanche-testnet-c`
Bitcoin	Mainnet	`bitcoin-mainnet`
Testnet	`bitcoin-testnet`
Testnet4	`bitcoin-testnet4`
Bitcoincash	Mainnet	`bitcoincash-mainnet`
Testnet	`bitcoincash-testnet`
Cosmos	Mainnet	`cosmos-mainnet`
Ethereum	Mainnet	`ethereum-mainnet`
Sepolia	`ethereum-sepolia`
Hoodi	`ethereum-hoodi`
Litecoin	Mainnet	`litecoin-mainnet`
Testnet	`litecoin-testnet`
Near	Mainnet	`near-mainnet`
Testnet	`near-testnet`
Polkadot	Mainnet	`polkadot-mainnet`
Westend	`polkadot-westend`
Assethub Mainnet	`polkadot-assethub-mainnet`
Assethub Westend	`polkadot-assethub-westend`
Polygon	Mainnet	`polygon-mainnet`
Amoy	`polygon-amoy`
Solana	Mainnet	`solana-mainnet`
Testnet	`solana-testnet`
Devnet	`solana-devnet`
Stellar	Mainnet	`stellar-mainnet`
Testnet	`stellar-testnet`
Tron	Mainnet	`tron-mainnet`
Nile	`tron-nile`

blockchain_id

string

required

Defaults to ethereum-mainnet

Either a hyphen seperated protocol-network pair like ethereum-mainnet or the chain-id

``200 An unsigned transaction

``400 Bad request

``401 Invalid or expired token

``429 Rate limit exceeded

``500 An internal server error happened

``501 The request endpoint is not implemented

``503 The resource you are trying to access is currently unavailable

ShellNodeRubyPHPPython

``

xxxxxxxxxx

curl --request POST \

--url https://svc.blockdaemon.com/tx/v1/ethereum-mainnet/create \

--header 'X-API-Key: ••••' \

--header 'accept: application/json' \

--header 'content-type: application/json' ``