Fetch Crude Oil Inventory Data API

API ID 14039

Easily fetch precise crude oil inventory data for predictive insights and analytics.

API Documentation

Endpoints

Request
Lists commodities in the Fetch Crude Oil Inventory Data API catalog, including group, unit, geographic coverage, live or planned status and the last updated date.
Endpoint ID: 34130
GET https://zylalabs.com/api/14039/fetch+crude+oil+inventory+data+api/34130/list+commodities
INPUT PARAMETERS

List Commodities — Endpoint Features

Object Description
group Optional Commodity group to return. Example: energy, agriculture or metals.
status Optional Catalog status to return. Example: live or planned.

Free test requests remaining: 3 of 3.


INPUT PARAMETERS

group
status
API EXAMPLE RESPONSE
JSON
{
    "data": [
        {
            "commodity": "crude_oil",
            "group": "energy",
            "metric": "closing_stocks",
            "unit": "thousand_barrels",
            "coverage": "countries with available stocks + US hubs",
            "status": "live",
            "last_updated": "2026-08-21"
        }
    ]
}
List Commodities — CODE SNIPPETS

curl --location --request GET 'https://zylalabs.com/api/14039/fetch+crude+oil+inventory+data+api/34130/list+commodities?group=energy&status=live' --header 'Authorization: Bearer YOUR_API_KEY' 


    
Request
Returns one crude oil inventory profile, with the thousand-barrel unit, geographic coverage, history start date and country and hub counts.
Endpoint ID: 34131
GET https://zylalabs.com/api/14039/fetch+crude+oil+inventory+data+api/34131/get+commodity
INPUT PARAMETERS

Free test requests remaining: 3 of 3.

API EXAMPLE RESPONSE
JSON
{
    "commodity": "crude_oil",
    "group": "energy",
    "metric": "closing_stocks",
    "unit": "thousand_barrels",
    "history_from": "1982-08-20",
    "last_updated": "2026-08-21",
    "coverage": "countries with available stocks + US hubs",
    "areas_count": {
        "countries": 35,
        "hubs": 7
    }
}
Get Commodity — CODE SNIPPETS

curl --location --request GET 'https://zylalabs.com/api/14039/fetch+crude+oil+inventory+data+api/34131/get+commodity&commodity=Required' --header 'Authorization: Bearer YOUR_API_KEY' 


    
Request
Lists countries or United States hubs for a commodity, with the area code, name and latest inventory period for each place.
Endpoint ID: 34133
GET https://zylalabs.com/api/14039/fetch+crude+oil+inventory+data+api/34133/list+commodity+areas
INPUT PARAMETERS

List Commodity Areas — Endpoint Features

Object Description
type Optional Kind of area to list. Example: country or hub.
commodity Required

Free test requests remaining: 3 of 3.


INPUT PARAMETERS

type
API EXAMPLE RESPONSE
JSON
{
    "commodity": "crude_oil",
    "data": [
        {
            "area": "AT",
            "name": "Austria",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "AU",
            "name": "Australia",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "BE",
            "name": "Belgium",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "CA",
            "name": "Canada",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "CH",
            "name": "Switzerland",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "CL",
            "name": "Chile",
            "type": "country",
            "latest": "2026-05-01"
        },
        {
            "area": "CZ",
            "name": "Czech Republic",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "DE",
            "name": "Germany",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "DK",
            "name": "Denmark",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "EE",
            "name": "Estonia",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "ES",
            "name": "Spain",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "FI",
            "name": "Finland",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "FR",
            "name": "France",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "GB",
            "name": "United Kingdom",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "GR",
            "name": "Greece",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "HU",
            "name": "Hungary",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "IE",
            "name": "Ireland",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "IS",
            "name": "Iceland",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "IT",
            "name": "Italy",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "JP",
            "name": "Japan",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "KR",
            "name": "South Korea",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "LT",
            "name": "Lithuania",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "LU",
            "name": "Luxembourg",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "LV",
            "name": "Latvia",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "MX",
            "name": "Mexico",
            "type": "country",
            "latest": "2025-02-01"
        },
        {
            "area": "NL",
            "name": "Netherlands",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "NO",
            "name": "Norway",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "NZ",
            "name": "New Zealand",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "PL",
            "name": "Poland",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "PT",
            "name": "Portugal",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "SE",
            "name": "Sweden",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "SI",
            "name": "Slovenia",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "SK",
            "name": "Slovakia",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "TR",
            "name": "Turkey",
            "type": "country",
            "latest": "2026-06-01"
        },
        {
            "area": "US",
            "name": "United States",
            "type": "country",
            "latest": "2026-08-21"
        }
    ]
}
List Commodity Areas — CODE SNIPPETS

curl --location --request GET 'https://zylalabs.com/api/14039/fetch+crude+oil+inventory+data+api/34133/list+commodity+areas?type=country&commodity=Required' --header 'Authorization: Bearer YOUR_API_KEY' 


    
Request
Returns the latest crude oil closing stock for each country or US hub, including Cushing, with period, thousand-barrel value and reliability.
Endpoint ID: 34136
GET https://zylalabs.com/api/14039/fetch+crude+oil+inventory+data+api/34136/latest+inventory
INPUT PARAMETERS

Latest Inventory — Endpoint Features

Object Description
type Optional Area type in the snapshot. Example: country or hub.
sort Optional Row order. Example: value_desc or area_asc.
commodity Required

Free test requests remaining: 3 of 3.


INPUT PARAMETERS

type
sort
API EXAMPLE RESPONSE
JSON
{
    "commodity": "crude_oil",
    "metric": "closing_stocks",
    "unit": "thousand_barrels",
    "as_of": "2026-08-21",
    "data": [
        {
            "area": "US-SPR",
            "name": "Strategic Petroleum Reserve",
            "period": "2026-08-21",
            "value": 289726,
            "reliability": "reported"
        },
        {
            "area": "US-PADD3",
            "name": "PADD 3 - Gulf Coast",
            "period": "2026-08-21",
            "value": 251424,
            "reliability": "reported"
        },
        {
            "area": "US-PADD2",
            "name": "PADD 2 - Midwest",
            "period": "2026-08-21",
            "value": 101195,
            "reliability": "reported"
        },
        {
            "area": "US-PADD5",
            "name": "PADD 5 - West Coast",
            "period": "2026-08-21",
            "value": 45343,
            "reliability": "reported"
        },
        {
            "area": "US-PADD4",
            "name": "PADD 4 - Rocky Mountain",
            "period": "2026-08-21",
            "value": 22524,
            "reliability": "reported"
        },
        {
            "area": "US-CUSHING",
            "name": "Cushing, OK",
            "period": "2026-08-21",
            "value": 22428,
            "reliability": "reported"
        },
        {
            "area": "US-PADD1",
            "name": "PADD 1 - East Coast",
            "period": "2026-08-21",
            "value": 8423,
            "reliability": "reported"
        }
    ],
    "meta": {
        "count": 7,
        "period_min": "2026-08-21",
        "period_max": "2026-08-21"
    }
}
Latest Inventory — CODE SNIPPETS

curl --location --request GET 'https://zylalabs.com/api/14039/fetch+crude+oil+inventory+data+api/34136/latest+inventory?type=hub&sort=value_desc&commodity=Required' --header 'Authorization: Bearer YOUR_API_KEY' 


    
Request
Returns historical crude oil inventory for one or more countries or hubs, such as the United States and Cushing, newest period first.
Endpoint ID: 34138
GET https://zylalabs.com/api/14039/fetch+crude+oil+inventory+data+api/34138/inventory+time+series
INPUT PARAMETERS

Inventory Time Series — Endpoint Features

Object Description
area Optional Area codes, comma-separated. Example: US,US-CUSHING. Empty returns every area.
from Optional First period to include, as YYYY-MM-DD. Example: 2026-08-01.
to Optional Last period to include, as YYYY-MM-DD. Example: 2026-08-21.
limit Optional Maximum rows in the page. Example: 2. Default is 1000 and the maximum is 5000.
cursor Optional Page cursor from meta.next_cursor. Example: MjAyNi0wOC0yMXxVUy1DVVNISU5HfDE4OTgy.
commodity Required

Free test requests remaining: 3 of 3.


INPUT PARAMETERS

area
from
to
limit
cursor
API EXAMPLE RESPONSE
JSON
{
    "commodity": "crude_oil",
    "metric": "closing_stocks",
    "unit": "thousand_barrels",
    "as_of": "2026-08-21",
    "data": [
        {
            "area": "US",
            "period": "2026-08-21",
            "value": 428910,
            "reliability": "reported"
        },
        {
            "area": "US-CUSHING",
            "period": "2026-08-21",
            "value": 22428,
            "reliability": "reported"
        }
    ],
    "meta": {
        "count": 2,
        "next_cursor": "MjAyNi0wOC0yMXxVUy1DVVNISU5HfDE4OTgy",
        "from": "2026-08-01",
        "to": "2026-08-21",
        "from_defaulted": false
    }
}
Inventory Time Series — CODE SNIPPETS

curl --location --request GET 'https://zylalabs.com/api/14039/fetch+crude+oil+inventory+data+api/34138/inventory+time+series?area=US,US-CUSHING&from=2026-08-01&to=2026-08-21&limit=2&cursor=MjAyNi0wOC0yMXxVUy1DVVNISU5HfDE4OTgy&commodity=Required' --header 'Authorization: Bearer YOUR_API_KEY' 


    
Request
Returns the crude oil stock change versus the previous period for countries or hubs such as the United States and Cushing, in level and percent.
Endpoint ID: 34141
GET https://zylalabs.com/api/14039/fetch+crude+oil+inventory+data+api/34141/inventory+changes
INPUT PARAMETERS

Inventory Changes — Endpoint Features

Object Description
area Optional Area codes, comma-separated. Example: US,US-CUSHING.
periods Optional How many periods to return. Example: 4. The default is 8.
commodity Required

Free test requests remaining: 3 of 3.


INPUT PARAMETERS

area
periods
API EXAMPLE RESPONSE
JSON
{
    "commodity": "crude_oil",
    "unit": "thousand_barrels",
    "as_of": "2026-08-21",
    "data": [
        {
            "area": "US",
            "period": "2026-08-21",
            "value": 428910,
            "change": 95,
            "change_pct": 0.02
        },
        {
            "area": "US-CUSHING",
            "period": "2026-08-21",
            "value": 22428,
            "change": 1176,
            "change_pct": 5.53
        },
        {
            "area": "US",
            "period": "2026-08-14",
            "value": 428815,
            "change": 4405,
            "change_pct": 1.04
        },
        {
            "area": "US-CUSHING",
            "period": "2026-08-14",
            "value": 21252,
            "change": -1314,
            "change_pct": -5.82
        },
        {
            "area": "US",
            "period": "2026-08-07",
            "value": 424410,
            "change": 17423,
            "change_pct": 4.28
        },
        {
            "area": "US-CUSHING",
            "period": "2026-08-07",
            "value": 22566,
            "change": 1611,
            "change_pct": 7.69
        },
        {
            "area": "US",
            "period": "2026-07-31",
            "value": 406987,
            "change": 2479,
            "change_pct": 0.61
        },
        {
            "area": "US-CUSHING",
            "period": "2026-07-31",
            "value": 20955,
            "change": 2356,
            "change_pct": 12.67
        }
    ]
}
Inventory Changes — CODE SNIPPETS

curl --location --request GET 'https://zylalabs.com/api/14039/fetch+crude+oil+inventory+data+api/34141/inventory+changes?area=US,US-CUSHING&periods=4&commodity=Required' --header 'Authorization: Bearer YOUR_API_KEY' 


    

API Access Key & Authentication

After signing up, every developer is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the Fetch Crude Oil Inventory Data API simply include your bearer token in the Authorization header.

Headers
Header Description
Authorization Required Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.

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Overview

The Fetch Crude Oil Inventory Data API returns closing crude oil stocks by country and by United States storage hub. Values are in thousand barrels. Coverage includes countries that report stocks and hubs such as Cushing, Oklahoma, the Strategic Petroleum Reserve and the five PADD regions. The live commodity code is crude_oil. Use List Commodities to read the catalog, Get Commodity for the profile and history start, List Commodity Areas for country and hub codes, Latest Inventory for the current level of each area, Inventory Time Series for history, and Inventory Changes for the move versus the previous period. Filter a series or a change with area codes such as US, JP or US-CUSHING. Wheat, corn, natural gas, lithium and copper are listed as planned, and inventory calls for those codes return not available until they go live.

Fetch Crude Oil Inventory Data API FAQs

Thousand barrels. Inventory responses include unit set to thousand_barrels. Get Commodity returns the same unit on the commodity profile.

Closing crude oil stocks by country and by United States hub, in thousand barrels. Each row has the area, the period and the stock level. Inventory Changes also returns the change versus the previous period and the percent change.

Countries that report stocks, plus United States hubs. Hubs include Cushing, Oklahoma, the Strategic Petroleum Reserve and PADD regions 1 through 5. Area codes look like US, JP and US-CUSHING.

Pass commodity crude_oil and area US-CUSHING to Latest Inventory, Inventory Time Series or Inventory Changes. US-CUSHING is the hub code for Cushing, Oklahoma.

Get Commodity returns history_from. For crude oil that date is 1982-08-20 on the United States series. Other countries start on the first period that exists for that area. Set from on Inventory Time Series to choose the start date.

Crude_oil is live. Wheat, corn, natural gas, lithium and copper are in the catalog with status planned. An inventory call for a planned code returns not available until that commodity goes live.

Each endpoint returns specific crude oil inventory data. For example, Latest Inventory provides current stock levels, Inventory Time Series offers historical data, and Inventory Changes shows stock variations over time. Each response includes relevant metrics and area details.

Key fields include "area" (location code), "name" (location name), "period" (date of data), "value" (stock level in thousand barrels), and "reliability" (data source reliability). These fields help users understand inventory levels and their context.

Response data is structured in JSON format, with a main object containing metadata and a "data" array. Each entry in the array corresponds to a specific area, detailing its stock level, period, and reliability, making it easy to parse and analyze.

Parameters vary by endpoint. For example, Latest Inventory accepts area codes to specify locations, while Inventory Time Series allows users to set date ranges using "from" and "to" parameters. This customization helps tailor data requests to specific needs.

The API covers crude oil inventory data for various countries and U.S. hubs, including Cushing, the Strategic Petroleum Reserve, and PADD regions. This broad coverage allows for comprehensive analysis of global and regional oil stocks.

Data accuracy is maintained through regular updates from reliable sources, including government reports and industry publications. The "reliability" field in responses indicates the source's credibility, helping users assess data quality.

Typical use cases include market analysis, predictive modeling, and inventory management. Analysts can use the data to forecast trends, assess supply levels, and inform investment decisions based on crude oil stock changes.

Users can analyze the data by comparing stock levels across regions, tracking historical trends, and assessing changes over time. Utilizing the "change" and "change_pct" fields in Inventory Changes can help identify significant fluctuations in inventory levels.

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