> ## Documentation Index
> Fetch the complete documentation index at: https://api-docs.sw4p.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Estimate

> Get fee estimate for a transfer

Get a fee estimate before executing a transfer.

## Request Body

<ParamField body="from" type="string" required>
  Source chain
</ParamField>

<ParamField body="to" type="string" required>
  Destination chain
</ParamField>

<ParamField body="amount" type="string" required>
  Amount in USDC
</ParamField>

## Response

<ResponseField name="amount" type="string">
  Original amount
</ResponseField>

<ResponseField name="fee" type="object">
  Fee breakdown (total, platform, gas)
</ResponseField>

<ResponseField name="net_receive" type="string">
  Amount recipient receives
</ResponseField>

<RequestExample>
  ```bash theme={null}
  curl -X POST https://api.sw4p.io/sdk/v1/estimate \
    -H "Content-Type: application/json" \
    -H "X-API-Key: sk_..." \
    -d '{
      "from": "BASE",
      "to": "SOLANA",
      "amount": "100.00"
    }'
  ```
</RequestExample>

<ResponseExample>
  ```json theme={null}
  {
    "amount": "100.00",
    "fee": {
      "total": "2.50",
      "platform": "1.00",
      "gas": "1.50"
    },
    "net_receive": "97.50"
  }
  ```
</ResponseExample>