Endpoint Playground

Try the MLB Arm Value Details API

Test Crawlora's MLB Arm Value Details 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: /mlb/statcast-arm-value-details
Platform: MLB
Auth: apiKey
Credits: 1 credit/request
Required params: entity_id
Common optional params: type, game_type, key_base_out, minimum_opps, start_year, end_year

MLB Arm Value Details API documentation MLB platform page Crawlora API pricing Try MLB Discovery API Try Get an MLB.com editorial feed API Try Get an MLB game feed API Try MLB game boxscore API Try MLB game play-by-play API

Prefilled cURL

curl "https://api.crawlora.net/api/v1/mlb/statcast-arm-value-details?entity_id=<entity_id>&type=Run&game_type=Regular&key_base_out=All&minimum_opps=top&split=no&team_id=108&with_team_only=1" \
  -H "x-api-key: $CRAWLORA_API_KEY"

Request parameters visible to crawlers

Parameter	Type	Required	Prefilled value	Description
entity_id	string	Yes		Positive player id from an Arm Value player row
type	string	No	Run	Player view
game_type	string	No	Regular	Game type
key_base_out	string	No	All	Baserunner situation
minimum_opps	string	No	top	Minimum opportunities
start_year	integer	No		Start season, 2016 through current season
end_year	integer	No		End season, 2016 through current season; must be >= start_year
split	string	No	no	Split leaderboard records by season
team_id	string	No	108	MLB team id from mlb_discovery, split, or empty
with_team_only	string	No	1	Team-roster membership for a selected team

Example JSON response

{
  "code": 200,
  "msg": "OK",
  "data": {
    "entity_id": "677800",
    "type": "Fld",
    "total": 1,
    "source_url": "https://baseballsavant.mlb.com/leaderboard/services/baserunning/677800?game_type=Regular&key_base_out=All&n=top&season_end=2026&season_start=2026&split=no&team=147&type=Fld&with_team_only=1",
    "fetched_at": "2026-09-29T00:00:00Z",
    "plays": [
      {
        "game_date": "2026-05-17",
        "play_id": "d735add5-675d-378f-a533-d27882eee77e",
        "base_out_text": "Batter 1B, Going for 2B",
        "fielder_runs": 0.0005,
        "runner_runs": -0.0001,
        "is_att_xb": 0,
        "result": "Hold",
        "entity_id": 677800
      }
    ]
  }
}

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/requestmlb.statcastArmValueDetailsResponseDocMLB

GET /mlb/statcast-arm-value-details

Get expanded Baseball Savant Arm Value player plays

Returns the game-level play details displayed when expanding a Run, Fld, or Pit player row in the Arm Value leaderboard. Pass the leaderboard filters used to produce the selected row.

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

Required query parameters

entity_id

requiredstring

Positive player id from an Arm Value player row

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": {
    "entity_id": "677800",
    "type": "Fld",
    "total": 1,
    "source_url": "https://baseballsavant.mlb.com/leaderboard/services/baserunning/677800?game_type=Regular&key_base_out=All&n=top&season_end=2026&season_start=2026&split=no&team=147&type=Fld&with_team_only=1",
    "fetched_at": "2026-09-29T00:00:00Z",
    "plays": [
      {
        "game_date": "2026-05-17",
        "play_id": "d735add5-675d-378f-a533-d27882eee77e",
        "base_out_text": "Batter 1B, Going for 2B",
        "fielder_runs": 0.0005,
        "runner_runs": -0.0001,
        "is_att_xb": 0,
        "result": "Hold",
        "entity_id": 677800
      }
    ]
  }
}

Endpoint details

Returns the game-level play details displayed when expanding a Run, Fld, or Pit player row in the Arm Value leaderboard. Pass the leaderboard filters used to produce the selected row.

Method: GET
Path: /mlb/statcast-arm-value-details
Authentication: apiKey
Credit cost: 1 credit/request
Platform: MLB
Parameters: 11 documented fields

Request parameters

entity_id:querytype:querygame_type:querykey_base_out:queryminimum_opps:querystart_year:queryend_year:querysplit:queryteam_id:querywith_team_only:queryx-api-key:header

Response schema fields

codedatadata.entity_iddata.fetched_atdata.playsdata.source_urldata.totaldata.typemsg

Sample response summary

{
  "code": 200,
  "msg": "OK",
  "data": {
    "entity_id": "677800",
    "type": "Fld",
    "total": 1,
    "source_url": "https://baseballsavant.mlb.com/leaderboard/services/baserunning/677800?game_type=Regular&key_base_out=All&n=top&season_end=2026&season_start=2026&split=no&team=147&type=Fld&with_team_only=1",
    "fetched_at": "2026-09-29T00:00:00Z",
    "plays": [
      {
        "game_date": "2026-05-17",
        "play_id": "d735add5-675d-378f-a533-d27882eee77e",
        "base_out_text": "Batter 1B, Going for 2B",
        "fielder_runs": 0.0005,
        "runner_runs": -0.0001,
        "is_att_xb": 0,
        "result": "Hold",
        "entity_id": 677800
      }
    ]
  }
}

cURL example

curl "https://api.crawlora.net/api/v1/mlb/statcast-arm-value-details?entity_id=<entity_id>" \
  -H "x-api-key: $CRAWLORA_API_KEY"

View endpoint docs Open platform page Browse all endpoints Pricing Discover MLB sections and Stats API values Get an MLB.com editorial feed Get an MLB game feed Get an MLB player boxscore Get MLB game play-by-play

Endpoint Playground

Try the MLB Arm Value Details API

Endpoint facts

Method: GET
API path: /mlb/statcast-arm-value-details
Platform: MLB
Auth: apiKey
Credits: 1 credit/request
Required params: entity_id
Common optional params: type, game_type, key_base_out, minimum_opps, start_year, end_year

Prefilled cURL

curl "https://api.crawlora.net/api/v1/mlb/statcast-arm-value-details?entity_id=<entity_id>&type=Run&game_type=Regular&key_base_out=All&minimum_opps=top&split=no&team_id=108&with_team_only=1" \
  -H "x-api-key: $CRAWLORA_API_KEY"

Request parameters visible to crawlers

Parameter	Type	Required	Prefilled value	Description
entity_id	string	Yes		Positive player id from an Arm Value player row
type	string	No	Run	Player view
game_type	string	No	Regular	Game type
key_base_out	string	No	All	Baserunner situation
minimum_opps	string	No	top	Minimum opportunities
start_year	integer	No		Start season, 2016 through current season
end_year	integer	No		End season, 2016 through current season; must be >= start_year
split	string	No	no	Split leaderboard records by season
team_id	string	No	108	MLB team id from mlb_discovery, split, or empty
with_team_only	string	No	1	Team-roster membership for a selected team

Example JSON response

{
  "code": 200,
  "msg": "OK",
  "data": {
    "entity_id": "677800",
    "type": "Fld",
    "total": 1,
    "source_url": "https://baseballsavant.mlb.com/leaderboard/services/baserunning/677800?game_type=Regular&key_base_out=All&n=top&season_end=2026&season_start=2026&split=no&team=147&type=Fld&with_team_only=1",
    "fetched_at": "2026-09-29T00:00:00Z",
    "plays": [
      {
        "game_date": "2026-05-17",
        "play_id": "d735add5-675d-378f-a533-d27882eee77e",
        "base_out_text": "Batter 1B, Going for 2B",
        "fielder_runs": 0.0005,
        "runner_runs": -0.0001,
        "is_att_xb": 0,
        "result": "Hold",
        "entity_id": 677800
      }
    ]
  }
}

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/requestmlb.statcastArmValueDetailsResponseDocMLB

GET /mlb/statcast-arm-value-details

Get expanded Baseball Savant Arm Value player plays

Returns the game-level play details displayed when expanding a Run, Fld, or Pit player row in the Arm Value leaderboard. Pass the leaderboard filters used to produce the selected row.

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

Required query parameters

entity_id

requiredstring

Positive player id from an Arm Value player row

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": {
    "entity_id": "677800",
    "type": "Fld",
    "total": 1,
    "source_url": "https://baseballsavant.mlb.com/leaderboard/services/baserunning/677800?game_type=Regular&key_base_out=All&n=top&season_end=2026&season_start=2026&split=no&team=147&type=Fld&with_team_only=1",
    "fetched_at": "2026-09-29T00:00:00Z",
    "plays": [
      {
        "game_date": "2026-05-17",
        "play_id": "d735add5-675d-378f-a533-d27882eee77e",
        "base_out_text": "Batter 1B, Going for 2B",
        "fielder_runs": 0.0005,
        "runner_runs": -0.0001,
        "is_att_xb": 0,
        "result": "Hold",
        "entity_id": 677800
      }
    ]
  }
}

Endpoint details

Returns the game-level play details displayed when expanding a Run, Fld, or Pit player row in the Arm Value leaderboard. Pass the leaderboard filters used to produce the selected row.

Method: GET
Path: /mlb/statcast-arm-value-details
Authentication: apiKey
Credit cost: 1 credit/request
Platform: MLB
Parameters: 11 documented fields

Request parameters

entity_id:querytype:querygame_type:querykey_base_out:queryminimum_opps:querystart_year:queryend_year:querysplit:queryteam_id:querywith_team_only:queryx-api-key:header

Response schema fields

codedatadata.entity_iddata.fetched_atdata.playsdata.source_urldata.totaldata.typemsg

Sample response summary

{
  "code": 200,
  "msg": "OK",
  "data": {
    "entity_id": "677800",
    "type": "Fld",
    "total": 1,
    "source_url": "https://baseballsavant.mlb.com/leaderboard/services/baserunning/677800?game_type=Regular&key_base_out=All&n=top&season_end=2026&season_start=2026&split=no&team=147&type=Fld&with_team_only=1",
    "fetched_at": "2026-09-29T00:00:00Z",
    "plays": [
      {
        "game_date": "2026-05-17",
        "play_id": "d735add5-675d-378f-a533-d27882eee77e",
        "base_out_text": "Batter 1B, Going for 2B",
        "fielder_runs": 0.0005,
        "runner_runs": -0.0001,
        "is_att_xb": 0,
        "result": "Hold",
        "entity_id": 677800
      }
    ]
  }
}

cURL example

curl "https://api.crawlora.net/api/v1/mlb/statcast-arm-value-details?entity_id=<entity_id>" \
  -H "x-api-key: $CRAWLORA_API_KEY"