v1

latestOpenAPI 3.1.02026-07-243035381.4 MB

Fee Estimation API

Estimate gas for a transaction

10 credits per API call

Estimate the current fee for different types of transactions.

This API is supported for the following blockchains:

Bitcoin
BNB Smart Chain
Celo
Dogecoin
Ethereum
Harmony
Klaytn
Litecoin
Polygon
XinFin

post/v3/blockchain/estimate

Request body

Example request

{
  "sender": "0xfb99f8ae9b70a0c8cd96ae665bbaf85a7e01a2ef",
  "recipient": "0x687422eEA2cB73B5d3e242bA5456b782919AFc85",
  "contractAddress": "0x687422eEA2cB73B5d3e242bA5456b782919AFc85",
  "amount": "100000"
}

Response

Example response

{
  "fast": "0.006584",
  "medium": "0.004584",
  "slow": "0.002584"
}