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GET
/
v2
/
burn
/
USDC
/
fees
/
{sourceDomainId}
/
{destDomainId}
Get USDC transfer fees
curl --request GET \
  --url https://iris-api-sandbox.circle.com/v2/burn/USDC/fees/{sourceDomainId}/{destDomainId}
[
  {
    "finalityThreshold": 1000,
    "minimumFee": 1,
    "forwardFee": {
      "low": 90,
      "medium": 110,
      "high": 160
    }
  },
  {
    "finalityThreshold": 2000,
    "minimumFee": 0,
    "forwardFee": {
      "low": 90,
      "medium": 110,
      "high": 160
    }
  }
]

Documentation Index

Fetch the complete documentation index at: https://developers.circle.com/llms.txt

Use this file to discover all available pages before exploring further.

Path Parameters

​
sourceDomainId
integer
required

Source domain identifier for a blockchain on CCTP.

Required range: x >= 0
Example:

3

​
destDomainId
integer
required

Destination domain identifier for a blockchain on CCTP.

Required range: x >= 0
Example:

3

Query Parameters

​
forward
boolean
default:false

Whether to include fees for using the Circle Forwarder in the return value.

​
hyperCoreDeposit
boolean
default:false

Whether to include the forwarding fee for depositing into HyperCore in the return value. This parameter should only be used if the forward parameter is set to true and the destination domain is HyperEVM.

Response

Successfully retrieved the USDC transfer fees.

​
finalityThreshold
integer
required

The finality threshold, such as block confirmations, used to determine whether the transfer qualifies as a Fast or Standard Transfer.

​
minimumFee
number
required

Minimum fees for the transfer, expressed in basis points (bps). For example, 1 = 0.01%.

​
forwardFee
object

Gas and forwarding fees for using the Circle Forwarder in USDC minor units.

Example:
[
  {
    "finalityThreshold": 1000,
    "minimumFee": 1,
    "forwardFee": { "low": 90, "medium": 110, "high": 160 }
  },
  {
    "finalityThreshold": 2000,
    "minimumFee": 0,
    "forwardFee": { "low": 90, "medium": 110, "high": 160 }
  }
]