# GET /v2/fastBurn/USDC/fees/{}/{} is deprecated

Circle CCTP API deprecated GET /v2/fastBurn/USDC/fees/{}/{} without giving a shutdown date yet.

Circle deprecated the GET /v2/fastBurn/USDC/fees/{}/{} endpoint on June 10, 2025, without a shutdown date. Calls made to this endpoint will fail. This change impacts all integrations using this specific CCTP V2 API route.

## What to use instead

Use GET /v2/burn/USDC/fees/{sourceDomainId}/{destDomainId}, which returns both Fast and Standard Transfer fees.

- API: Circle CCTP API (iris-api.circle.com)
- Kind: Endpoint removal
- Announced: June 10, 2025
- Takes effect: no date given yet
- Calls after that day: fail
- Calls it hits: `GET /v2/fastBurn/USDC/fees/{}/{}`
- Source: [Announcement](https://developers.circle.com/release-notes/stablecoins-2025)
- Verified: October 27, 2026, against Circle CCTP API's own pages
- Page: https://www.okapi.bot/providers/circle-cctp-api/breaking-changes/get-v2-fastburn-usdc-fees-is-deprecated/

## Circle CCTP API's words

> Deprecated the following CCTP V2 API endpoint:

Okapi finds the calls this change hits in your repo and opens the pull request with the fix: https://github.com/apps/okapi-agent