---
title: "List Alt search filter values"
method: GET
path: "/alt/categories"
tags: ["Alt"]
---

# List Alt search filter values

`GET /alt/categories`

## Request

- Base URL: `https://api.crawlora.net/api/v1`
- URL: `https://api.crawlora.net/api/v1/alt/categories`
- Auth: API key in header `x-api-key`

Returns every accepted value for alt-search/alt-auctions/alt-sold-listings' category, auction_house, grading_company, and listing_type params, plus the sort enum. category/auction_house/grading_company/listing_type are read live from Alt's own current search index on every call, not a fixed taxonomy -- so this endpoint self-corrects if Alt's aggregator adds a new source auction house, grading company, or category.

## Headers

- `x-api-key` string, required

## Response `200`

OK

- AltCategoriesResponseDoc
  - `code` integer
  - `data` AltCategoriesResponse
    - `auction_house` string[]
    - `category` string[]
    - `grading_company` string[]
    - `listing_type` string[]
    - `sort` string[]
  - `msg` string

## Other responses

- `429`: Too Many Requests
- `503`: Service Unavailable

---

[API](https://skmtc.dev/crawlora/apis/crawlora-api.md) · [All operations](https://skmtc.dev/crawlora/apis/crawlora-api/llms.txt) · [OpenAPI document](https://skmtc.dev/crawlora/apis/crawlora-api/revisions/0497899e2016?raw)