# /v1/feepromos stops working

Calls to /v1/feepromos on Gemini Exchange API stopped working on September 10, 2026.

On September 10, 2026, the provider removed the deprecated /v1/feepromos endpoint from the REST API specification and TypeScript SDK. Any calls sent to /v1/feepromos fail after that day.

- API: Gemini Exchange API (api.gemini.com)
- Kind: Endpoint removal
- Announced: September 10, 2026
- Takes effect: September 10, 2026
- Calls after that day: fail
- Calls it hits: `/v1/feepromos`
- Source: [Announcement](https://developer.gemini.com/changelog/revision-history)
- Page: https://www.okapi.bot/providers/gemini-exchange-api/breaking-changes/v1-feepromos-stops-working/

## What to use instead

Call POST /v1/notionalvolume with the optional symbol parameter to read symbol-specific fee rates, such as stablecoin promo tiers.

## Gemini Exchange API's words

> Removed the deprecated /v1/feepromos endpoint from the REST API specification and TypeScript SDK