Gas Price#
Dynamically obtain estimated gas prices for various chains, supporting EIP-1559, and covering EVM and UTXO model networks.
Request Path#
GET https://web3.okx.com/api/v5/wallet/pre-transaction/gas-price
Request Parameters#
| Parameter | Type | Required | Description |
|---|---|---|---|
| chainIndex | String | Yes | Unique identifier for the chain |
Response Parameters#
EVM#
| Parameter | Type | Description |
|---|---|---|
| >normal | String | Medium gas price, in wei |
| >min | String | Low gas price, in wei |
| >max | String | High gas price, in wei |
| >supporteip1559 | Boolean | Whether supports 1559 |
| >eip1559Protocol | Object | 1559 protocol |
eip1559 Protocol
| Parameter | Type | Description |
|---|---|---|
| eip1559Protocol | Object | Structure of 1559 protocol |
| >suggestBaseFee | String | Suggested base fee = base fee * 1.25, in wei |
| >baseFee | String | Base fee, in wei |
| >proposePriorityFee | String | Medium priority fee, in wei |
| >safePriorityFee | String | Low priority fee, in wei |
| >fastPriorityFee | String | High priority fee, in wei |
BRC-20/UTXO#
| Parameter | Type | Description |
|---|---|---|
| normalFeeRate | String | Medium fee rate |
| maxFeeRate | String | High fee rate |
| minFeeRate | Object | Low fee rate |
| inscriptionOutput | String | Inscription output size |
| minOutput | String | Minimum inscription output size, in Satoshi (usually 546 Satoshi) |
| normalCost | String | Single inscription transaction cost, in Satoshi |
| maxCost | String | Maximum single inscription transaction cost, in Satoshi |
| minCost | String | Minimum single inscription transaction cost, in Satoshi |
Request Example#
shell
curl --location --request GET 'https://web3.okx.com/api/v5/wallet/pre-transaction/gas-price?chainIndex=1' \
--header 'Content-Type: application/json' \
--header 'OK-ACCESS-PROJECT: 86af********d1bc' \
--header 'OK-ACCESS-KEY: 37c541a1-****-****-****-10fe7a038418' \
--header 'OK-ACCESS-SIGN: leaV********3uw=' \
--header 'OK-ACCESS-PASSPHRASE: 1****6' \
--header 'OK-ACCESS-TIMESTAMP: 2023-10-18T12:21:41.274Z'
Response Example#
200
// EVM
{
"code": "0",
"data": [
{
"normal" : "21289500000", // Medium gas price
"min" : "15670000000", // Low gas price
"max" : "29149000000", // High gas price
"supportEip1559" : true, // Whether supports 1559
"erc1599Protocol": {
"suggestBaseFee" : "15170000000", // Suggested base fee
"baseFee" : "15170000000", // Base fee
"proposePriorityFee" : "810000000", // Medium priority fee
"safePriorityFee" : "500000000", // Low priority fee
"fastPriorityFee" : "3360000000" // High priority fee
}
}
],
"msg": ""
}
// UTXO
{
"code": "0",
"data": [
{
"normalFeeRate": "27",
"maxFeeRate": "35",
"minFeeRate": "22",
"inscriptionOutput": "546",
"minOutput": "1500",
"normalCost": "1800",
"maxCost": "3600",
"minCost": "600"
}
],
"msg": ""
}