Skip to main content
POST
/
assets
TypeScript
const response: Promise<FireblocksResponse<AssetResponse>> = fireblocks.blockchainsAssets.registerNewAsset(blockchainsAssetsApiRegisterNewAssetRequest);
{
  "legacyId": "TST3_ETH",
  "assetClass": "FT",
  "onchain": {
    "symbol": "TST3",
    "name": "Test 3",
    "decimals": 18,
    "address": "0xe7A9as1oa38bc4da0248s179E30aa94CcF453991",
    "standard": "ERC20"
  },
  "metadata": {
    "scope": "Global",
    "deprecated": false
  }
}

Documentation Index

Fetch the complete documentation index at: https://developers.fireblocks.com/llms.txt

Use this file to discover all available pages before exploring further.

Headers

​
Idempotency-Key
string

A unique identifier for the request. If the request is sent multiple times with the same idempotency key, the server will return the same response as the first request. The idempotency key is valid for 24 hours.

Body

application/json
​
blockchainId
string
required

Native asset ID of the blockchain

Example:

"(ETH, ETH_TEST5, MATIC_POLYGON)"

​
address
string
required

Asset address.

  • EVM-based chains: token contract address
  • Stellar (XLM): issuer address
  • Algorand (ALGO): asset ID
  • TRON (TRX): token contract address
  • NEAR: token address
  • Solana: token's mint account address
  • Sui: token's type
  • TON: token's address
Example:

"0xe7A9as1oa38bc4da0248s179E30aa94CcF453991"

​
symbol
string

Required for Stellar only, asset code is expected.

Example:

"TST3"

Response

A new asset has been created successfully

​
legacyId
string
required
Example:

"TST3_ETH"

​
assetClass
enum<string>
required
Available options:
NATIVE,
FT,
NFT,
SFT
Example:

"FT"

​
onchain
object
required
​
metadata
object
required