Endpoint Playground

Try the Alt market trends API

Test Crawlora's Alt market trends API with realistic prefilled parameters. Generate a cURL request, inspect the expected structured JSON response, and open the full docs or pricing page when you are ready to integrate this public web data extraction endpoint into your application.

Endpoint facts

Method: GET
API path: /alt/market-trends
Platform: Alt
Auth: apiKey
Credits: 1 credit/request
Required params: None
Common optional params: category

Alt market trends API documentation Alt platform page Crawlora API pricing Try Alt asset API Try Alt auctions API Try Alt card search API Try Alt categories API Try Alt listing API

Prefilled cURL

curl "https://api.crawlora.net/api/v1/alt/market-trends" \
  -H "x-api-key: $CRAWLORA_API_KEY"

Request parameters visible to crawlers

Parameter	Type	Required	Prefilled value	Description
category	string	No		Optional exact category filter -- must match one of the categories present in the live response (a subset of alt-categories' category list; Alt only publishes a trend index for its own tracked sports categories). Omit to get every tracked category.

Example JSON response

{
  "code": 200,
  "msg": "OK",
  "data": {
    "updated_at": "2026-09-16T00:00:00+00:00",
    "version": 42,
    "categories": [
      {
        "category": "BASKETBALL_CARDS",
        "start_date": "2026-06-07",
        "end_date": "2026-09-07",
        "current_index_value": 10208.990057733714,
        "weekly_change": 0.015332941318226824,
        "weekly_index_change": 154.16996642535923,
        "monthly_change": 0.0804380022254576,
        "ninety_day_change": 0.1960414688336092,
        "ninety_day_index_change": 1673.3411494315496
      }
    ]
  }
}

Public Playground

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Endpoint

Choose one catalog endpoint for this request.

1 shown

Group

Method

Auth

Endpoint

GETapiKey1 credit/requestalt.marketTrendsResponseDocAlt

GET /alt/market-trends

Get Alt's card-market price-trend index

Returns Alt's own category-level price-trend index -- the same data alt.xyz's "Market Trends" page shows: a weekly/monthly/90-day change and a current index value per card category, built from Alt's own sold/valuation data. Credential-free public data from Alt's own GraphQL API.

API key required. Paste a full key or rotate one from the API Keys page.

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API key

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Sample responseGET

Shown before your first request. Add an API key and send a request to see the live response, status, latency, and headers.

{
  "code": 200,
  "msg": "OK",
  "data": {
    "updated_at": "2026-09-16T00:00:00+00:00",
    "version": 42,
    "categories": [
      {
        "category": "BASKETBALL_CARDS",
        "start_date": "2026-06-07",
        "end_date": "2026-09-07",
        "current_index_value": 10208.990057733714,
        "weekly_change": 0.015332941318226824,
        "weekly_index_change": 154.16996642535923,
        "monthly_change": 0.0804380022254576,
        "ninety_day_change": 0.1960414688336092,
        "ninety_day_index_change": 1673.3411494315496
      }
    ]
  }
}

Endpoint details

Method: GET
Path: /alt/market-trends
Authentication: apiKey
Credit cost: 1 credit/request
Platform: Alt
Parameters: 2 documented fields

Request parameters

category:queryx-api-key:header

Response schema fields

codedatadata.categoriesdata.categories[].categorydata.categories[].current_index_valuedata.categories[].end_datedata.categories[].monthly_changedata.categories[].ninety_day_changedata.categories[].ninety_day_index_changedata.categories[].start_datedata.categories[].weekly_changedata.categories[].weekly_index_change

Sample response summary

{
  "code": 200,
  "msg": "OK",
  "data": {
    "updated_at": "2026-09-16T00:00:00+00:00",
    "version": 42,
    "categories": [
      {
        "category": "BASKETBALL_CARDS",
        "start_date": "2026-06-07",
        "end_date": "2026-09-07",
        "current_index_value": 10208.990057733714,
        "weekly_change": 0.015332941318226824,
        "weekly_index_change": 154.16996642535923,
        "monthly_change": 0.0804380022254576,
        "ninety_day_change": 0.1960414688336092,
        "ninety_day_index_change": 1673.3411494315496
      }
    ]
  }
}

cURL example

curl "https://api.crawlora.net/api/v1/alt/market-trends" \
  -H "x-api-key: $CRAWLORA_API_KEY"

View endpoint docs Open platform page Browse all endpoints Pricing Get one card design's population report and recent sales Search Alt's own live 24/7 auctions Search Alt's reference card-design catalog List Alt search filter values Get one Alt listing's full public detail

Endpoint Playground

Try the Alt market trends API

Endpoint facts

Method: GET
API path: /alt/market-trends
Platform: Alt
Auth: apiKey
Credits: 1 credit/request
Required params: None
Common optional params: category

Alt market trends API documentation Alt platform page Crawlora API pricing Try Alt asset API Try Alt auctions API Try Alt card search API Try Alt categories API Try Alt listing API

Prefilled cURL

curl "https://api.crawlora.net/api/v1/alt/market-trends" \
  -H "x-api-key: $CRAWLORA_API_KEY"

Request parameters visible to crawlers

Parameter	Type	Required	Prefilled value	Description
category	string	No		Optional exact category filter -- must match one of the categories present in the live response (a subset of alt-categories' category list; Alt only publishes a trend index for its own tracked sports categories). Omit to get every tracked category.

Example JSON response

{
  "code": 200,
  "msg": "OK",
  "data": {
    "updated_at": "2026-09-16T00:00:00+00:00",
    "version": 42,
    "categories": [
      {
        "category": "BASKETBALL_CARDS",
        "start_date": "2026-06-07",
        "end_date": "2026-09-07",
        "current_index_value": 10208.990057733714,
        "weekly_change": 0.015332941318226824,
        "weekly_index_change": 154.16996642535923,
        "monthly_change": 0.0804380022254576,
        "ninety_day_change": 0.1960414688336092,
        "ninety_day_index_change": 1673.3411494315496
      }
    ]
  }
}

Public Playground

Preview the endpoint before sending a live request

Sample responses, schemas, request previews, and code snippets are visible before sign in. Create an account when you are ready to save an API key and run authenticated requests.

Set up API key Endpoint docs

Endpoint

Choose one catalog endpoint for this request.

1 shown

Group

Method

Auth

Endpoint

GETapiKey1 credit/requestalt.marketTrendsResponseDocAlt

GET /alt/market-trends

Get Alt's card-market price-trend index

API key required. Paste a full key or rotate one from the API Keys page.

Set up API key

View docs

API key

API key required for live requests. Your key is only used to send requests from this Playground.

not configured

Active Playground key: not configured

Manage API keys in Console

Add an API key to send a live request.

If an active API key is configured, Copy cURL includes it. Share links never include API keys.

View docs

Sample responseGET

Shown before your first request. Add an API key and send a request to see the live response, status, latency, and headers.

{
  "code": 200,
  "msg": "OK",
  "data": {
    "updated_at": "2026-09-16T00:00:00+00:00",
    "version": 42,
    "categories": [
      {
        "category": "BASKETBALL_CARDS",
        "start_date": "2026-06-07",
        "end_date": "2026-09-07",
        "current_index_value": 10208.990057733714,
        "weekly_change": 0.015332941318226824,
        "weekly_index_change": 154.16996642535923,
        "monthly_change": 0.0804380022254576,
        "ninety_day_change": 0.1960414688336092,
        "ninety_day_index_change": 1673.3411494315496
      }
    ]
  }
}

Endpoint details

Method: GET
Path: /alt/market-trends
Authentication: apiKey
Credit cost: 1 credit/request
Platform: Alt
Parameters: 2 documented fields

Request parameters

category:queryx-api-key:header

Response schema fields

Sample response summary

{
  "code": 200,
  "msg": "OK",
  "data": {
    "updated_at": "2026-09-16T00:00:00+00:00",
    "version": 42,
    "categories": [
      {
        "category": "BASKETBALL_CARDS",
        "start_date": "2026-06-07",
        "end_date": "2026-09-07",
        "current_index_value": 10208.990057733714,
        "weekly_change": 0.015332941318226824,
        "weekly_index_change": 154.16996642535923,
        "monthly_change": 0.0804380022254576,
        "ninety_day_change": 0.1960414688336092,
        "ninety_day_index_change": 1673.3411494315496
      }
    ]
  }
}

cURL example

curl "https://api.crawlora.net/api/v1/alt/market-trends" \
  -H "x-api-key: $CRAWLORA_API_KEY"