Overview

Liminal Express APIs
Liminal environments
Generate API keys
- Manage API keys
Deploy MPC on your AWS server
Update your MPC version
Update Liminal Express
API Responses
Testnet faucets
Add new tokens

API REFERENCES

Key management
- Create an RSA keypost
- Import MPC shardpost
Wallets
Addresses
Transactions
Travel Rule transactions
Health

WEBHOOK & Notifications

Transaction webhooks
Receive transaction webhooks
- Receive webhook payload for batch transaction
Send transaction webhooks
- Send webhook payload for batch transaction
Set up webhook integration
- Set up webhook in Liminal Vaults
- Authenticate webhook requests
View and manage your webhooks
Handling webhook failures
FAQs

Supported chains

Liminal supported chains

Supported tokens

Arbitrum
Avalanche
Base
Binance Smart Chain
Cardano
Ethereum
Fantom
Near
Optimism
Playa3ull
Polygon
Solana
Telos
Tron
Xinfin

Service Status

Liminal Service Status

Release Notes

Liminal Express API changelog

Overview

Liminal Express APIs
Liminal environments
Generate API keys
- Manage API keys
Deploy MPC on your AWS server
Update your MPC version
Update Liminal Express
API Responses
Testnet faucets
Add new tokens

API REFERENCES

Key management
- Create an RSA keypost
- Import MPC shardpost
Wallets
Addresses
Transactions
Travel Rule transactions
Health

WEBHOOK & Notifications

Transaction webhooks
Receive transaction webhooks
- Receive webhook payload for batch transaction
Send transaction webhooks
- Send webhook payload for batch transaction
Set up webhook integration
- Set up webhook in Liminal Vaults
- Authenticate webhook requests
View and manage your webhooks
Handling webhook failures
FAQs

Supported chains

Liminal supported chains

Supported tokens

Arbitrum
Avalanche
Base
Binance Smart Chain
Cardano
Ethereum
Fantom
Near
Optimism
Playa3ull
Polygon
Solana
Telos
Tron
Xinfin

Service Status

Liminal Service Status

Release Notes

Liminal Express API changelog

Retrieve estimated gas fees and rates

post https://api-sdk.lmnl.dev/api/wallet/get-approx-fees

This API is a request to fetch the estimated gas fees and rates for hot wallet transactions in UTXO and EVM blockchains.

Body Params

wallet

object

required

Responses

Response body

object

success

boolean

required

This indicates whether the estimated fee and rates are successfully retrieved or not.

data

object

required

This object contains details about estimated fees and rates.

fees

string

required

This is the total transaction fee in the blockchain's native currency (for example, ETH, BTC) for processing a transaction.

feeRate

string

required

This is the rate at which the transaction fee is calculated. For example, gwei per gas unit for Ethereum, and satoshis per byte for Bitcoin.

ERC20TokenFees

string

required

This is the estimated transaction fee for an ERC-20 token transfer.

maxFeePerGasGwei

string

required

This is the estimated maximum fee per gas unit (in gwei) to pay for the transaction to be included in the blockchain. This maximum fee is a sum of base fee and priority fee.

maxPriorityFeePerGasGwei

string

required

This is the estimated maximum additional fee per gas unit (in gwei) to pay as a tip to miners or validators to prioritise the transaction for faster processing.

Response body

object

success

boolean

required

This indicates whether the response is successful or not.

data

object

required

errors

array of objects

required

errors*

object

value

string

required

The values entered in the request.

msg

string

required

A brief explanation of the API failure reason and/or guidance for troubleshooting.

param

string

required

This denotes the parameter which is wrong in request.

location

string

required

This denotes the location of the error. For example, "body", "query", or "path" params.

message

string | null

required

A short description of the error.

Response body

object

success

boolean

This indicates whether the gas fees and rates are successfully retrieved or not.

data

object

The details related to the error response.

Has additional fields

message

string

A short description of the error.

code

string

The code of the error.

Updated about 2 months ago

Retrieve a transaction status

Retrieve a list of addresses for consolidation

Did this page help you?

Language

Credentials

Basic

base64


xxxxxxxxxx
12
1
curl --request POST \
2
     --url https://api-sdk.lmnl.dev/api/wallet/get-approx-fees \
3
     --header 'accept: application/json; charset=utf-8' \
4
     --header 'content-type: application/json' \
5
     --data '
6
{
7
  "wallet": {
8
    "coin": "eth",
9
    "allToken": false
10
  }
11
}
12
'


xxxxxxxxxx
10
 
1
{
2
  "success": true,
3
  "data": {
4
    "fees": "0.00072000000312",
5
    "feeRate": "0.000014979",
6
    "ERC20TokenFees": "0.00108000000468",
7
    "maxFeePerGasGwei": "6.000000052",
8
    "maxPriorityFeePerGasGwei": "6.000000000"
9
  }
10
}

Updated about 2 months ago

Retrieve a transaction status

Retrieve a list of addresses for consolidation

Did this page help you?

Overview
Liminal Express APIs
Liminal environments
Generate API keys
Manage API keys
Rotate an API key
Delete an API key
Enable a disabled API key
Disable an API key
Deploy MPC on your AWS server
Update your MPC version
Update Liminal Express
API Responses
Testnet faucets
Add new tokens

API REFERENCES
Key management
Import MPC shardpost
Create an RSA keypost
Wallets
Retrieve a wallet balancepost
Retrieve a walletpost
Retrieve a list of walletspost
Create a hot walletpost
Addresses
Verify addressespost
Retrieve an address balancepost
Retrieve an addresspost
Retrieve a list of addressespost
Transactions
Resend a Bitcoin transactionpost
Resend EVM-chain transactionspost
Push a refill transactionpost
Consolidate wallet assetspost
API error responses
Retrieve a list of addresses for consolidationpost
Retrieve estimated gas fees and ratespost
Retrieve a transaction statuspost
Retrieve pending transactionspost
Retrieve all transactions by statuspost
Retrieve hot wallet transactionspost
Retrieve a transactionpost
Create transaction requestspost
Travel Rule transactions
Retrieve pending transactionspost
Check Travel Rule statusget
Create a Travel Rule transactionpost
List all VASPs with detailspost
Retrieve a Travel Rule transaction by transaction IDget
Retrieve a list of Travel Rule transactionspost
Update a transaction statuspost
Health
Healthget
Check Liminal server statusget
Retrieve memory usage of Liminal Expressget
Retrieve latest Liminal Express versionget

WEBHOOK & Notifications
Transaction webhooks
Receive transaction webhooks
Receive webhook payload for batch transaction
Send transaction webhooks
Send webhook payload for batch transaction
Set up webhook integration
Authenticate webhook requests
Set up webhook in Liminal Vaults
View and manage your webhooks
Manually retry unsent webhook notifications
Filter webhooks
View your webhooks
Handling webhook failures
FAQs

Supported chains
Liminal supported chains

Supported tokens
Arbitrum
Avalanche
Base
Binance Smart Chain
Cardano
Ethereum
Fantom
Near
Optimism
Playa3ull
Polygon
Solana
Telos
Tron
Xinfin

Service Status
Liminal Service Status

Release Notes
Liminal Express API changelog
Version [v0.7.1]
Version [v1.1.0] (Dev)
Version [v1.1.0] (Prod)
Version [v1.1.1] (Dev)
Version [v1.1.1] (Prod)
Version [v1.1.3] (Dev)
Version [v1.2.0] (Prod)
Version [v1.2.1] (Prod)

Overview
Liminal Express APIs
Liminal environments
Generate API keys
Manage API keys
Rotate an API key
Delete an API key
Enable a disabled API key
Disable an API key
Deploy MPC on your AWS server
Update your MPC version
Update Liminal Express
API Responses
Testnet faucets
Add new tokens

API REFERENCES
Key management
Import MPC shardpost
Create an RSA keypost
Wallets
Retrieve a wallet balancepost
Retrieve a walletpost
Retrieve a list of walletspost
Create a hot walletpost
Addresses
Verify addressespost
Retrieve an address balancepost
Retrieve an addresspost
Retrieve a list of addressespost
Transactions
Resend a Bitcoin transactionpost
Resend EVM-chain transactionspost
Push a refill transactionpost
Consolidate wallet assetspost
API error responses
Retrieve a list of addresses for consolidationpost
Retrieve estimated gas fees and ratespost
Retrieve a transaction statuspost
Retrieve pending transactionspost
Retrieve all transactions by statuspost
Retrieve hot wallet transactionspost
Retrieve a transactionpost
Create transaction requestspost
Travel Rule transactions
Retrieve pending transactionspost
Check Travel Rule statusget
Create a Travel Rule transactionpost
List all VASPs with detailspost
Retrieve a Travel Rule transaction by transaction IDget
Retrieve a list of Travel Rule transactionspost
Update a transaction statuspost
Health
Healthget
Check Liminal server statusget
Retrieve memory usage of Liminal Expressget
Retrieve latest Liminal Express versionget

WEBHOOK & Notifications
Transaction webhooks
Receive transaction webhooks
Receive webhook payload for batch transaction
Send transaction webhooks
Send webhook payload for batch transaction
Set up webhook integration
Authenticate webhook requests
Set up webhook in Liminal Vaults
View and manage your webhooks
Manually retry unsent webhook notifications
Filter webhooks
View your webhooks
Handling webhook failures
FAQs

Supported chains
Liminal supported chains

Supported tokens
Arbitrum
Avalanche
Base
Binance Smart Chain
Cardano
Ethereum
Fantom
Near
Optimism
Playa3ull
Polygon
Solana
Telos
Tron
Xinfin

Service Status
Liminal Service Status

Release Notes
Liminal Express API changelog
Version [v0.7.1]
Version [v1.1.0] (Dev)
Version [v1.1.0] (Prod)
Version [v1.1.1] (Dev)
Version [v1.1.1] (Prod)
Version [v1.1.3] (Dev)
Version [v1.2.0] (Prod)
Version [v1.2.1] (Prod)

200OK

400Bad Request

500Internal Server Error