---
title: "Estimate Transaction Fees"
method: POST
path: "/v1/customers/{customer_id}/fees/estimate"
tags: ["Fees"]
---

# Estimate Transaction Fees

`POST /v1/customers/{customer_id}/fees/estimate`

Get estimated fees before executing a transaction.

**Actions:**

- `DEPOSIT`: Deposit of assets
- `WITHDRAWAL`: Withdrawal of assets
- `CONVERSION`: **Not supported** - use `/conversions/quote` instead

**Fee Calculation:**

The fee is determined by combining `action` + `asset`:
- DEPOSIT + Crypto asset (USDC, USDT, etc.) → No fee
- DEPOSIT + Fiat currency (USD, EUR, MXN) → Fiat deposit fee
- WITHDRAWAL + Crypto asset → Crypto withdrawal fee (includes gas)
- WITHDRAWAL + Fiat currency → Fiat withdrawal fee

**Notes:**

- Crypto withdrawal fees include network gas fees and may fluctuate
- Fiat fees are fixed rate + percentage

**Networks:**

- Crypto: ETHEREUM, POLYGON, ARBITRUM, AVALANCHE, BASE, BNBCHAIN, SOLANA, TRON
- Fiat: US_ACH, US_FEDWIRE, US_RTP, SWIFT, CUBIX, BANK_TRANSFER, PIX_TRANSFER

## Path parameters

- `customer_id` string, required

## Request body

- FeeEstimateRequest — Request body for fee estimation
  - `action` 'DEPOSIT' | 'WITHDRAWAL' | 'CONVERSION' | 'AUTO_CONVERSION' | 'TRANSFER' | 'REWARD', required
  - `amount` string, required — Amount for fee calculation
  - `asset` string, required — - Stablecoin assets: USDC, USDT, PYUSD, RLUSD, USDG, USDP, EURC, MXNB, 1USD(1USD/USDC conversion only, deposit/withdrawal not supported) - Digital assets: BTC - Fiat currencies: USD
  - `network` string, required

## Response `200`

- FeeMeta
  - `value` string, required — Fee amount
  - `asset` string, required — - Stablecoin assets: USDC, USDT, PYUSD, RLUSD, USDG, USDP, EURC, MXNB, 1USD(1USD/USDC conversion only, deposit/withdrawal not supported) - Digital assets: BTC - Fiat currencies: USD

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `422` — Unprocessable Entity - Invalid enum value (e.g., unsupported network or asset name)
- `500` — Internal Server Error

---

[API](https://skmtc.net/1money/apis/1money-openapi.md) · [All operations](https://skmtc.net/1money/apis/1money-openapi/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/1money/1money-openapi/revisions/aa2718d28cb5/schema)