Estimate Fees

Get current fee rate and processing time estimates for each network

Deposits & withdrawals are comprised of a source transaction, initiated by the user, and a destination transaction, initiated by the Unit Guardians. The user pays for the network fees associated with each of the respective transactions.

Unit exposes a fee estimation endpoint to get the current fee rates (and expected processing times) associated with each network.

Endpoint

GET /v2/estimate-fees

200: OK Successful Response

{
  "bitcoin": {
    "deposit-fee-rate-sats-per-vb": 8,
    "deposit-size-v-bytes": 113,
    "depositEta": "21m",
    "depositFee": 1404,
    "withdrawal-fee-rate-sats-per-vb": 5,
    "withdrawal-size-v-bytes": 143,
    "withdrawalEta": "44m",
    "withdrawalFee": 715
  },
  "ethereum": {
    "base-fee": 4180642406,
    "depositEta": "3m",
    "depositFee": 542339092071454,
    "eth-deposit-gas": 21000,
    "eth-withdrawal-gas": 50000,
    "priority-fee": 7000,
    "withdrawalEta": "7m",
    "withdrawalFee": 209032470300000
  },
  "solana": {
    "depositEta": "1m",
    "depositFee": 8711125,
    "withdrawalEta": "4m",
    "withdrawalFee": 8000
  },
  "spl": {
    "depositEta": "1m",
    "depositFee": 7857245,
    "withdrawalEta": "4m",
    "withdrawalFee": 2815836
  }
}