---
title: "List available tiers"
method: GET
path: "/api/v1/estimates/tiers"
tags: ["Estimates"]
---

# List available tiers

`GET /api/v1/estimates/tiers`

## Request

- Base URL: `https://fermi.kromatic.com` (the document declares no server; this is the origin it was published from)
- URL: `https://fermi.kromatic.com/api/v1/estimates/tiers`
- Auth: one of:
  - API key in header `X-API-Key`
  - HTTP bearer

Returns all estimation tiers with their status, delivery mode, credit cost, and anonymous trial eligibility.

## Response `200`

Successful Response

- TiersResponse
  - `tiers` TierSummary[], required
    - `tier_id` integer, required
    - `status` 'live', required
    - `delivery` 'sync' | 'async', nullable
    - `credit_cost` integer, nullable
    - `supports_anonymous_trial` boolean, nullable
  - `disclaimer` string, required

---

[API](https://skmtc.dev/kromatic/apis/fermi.md) · [All operations](https://skmtc.dev/kromatic/apis/fermi/llms.txt) · [OpenAPI document](https://skmtc.dev/kromatic/apis/fermi/revisions/75a37f8067c2?raw)