[{"year":2010,"month":"Jul","value":3.061}]
curl --location --request POST 'https://zylalabs.com/api/6201/washington+fuel+prices+api/8652/get+washington+historical+fuel+prices' --header 'Authorization: Bearer YOUR_API_KEY' --header 'Content-Type: application/json' --data-raw '{"month":"Required","year":"Required"}'
[{"year":2025,"month":2,"price":4.42}]
curl --location --request POST 'https://zylalabs.com/api/6201/washington+fuel+prices+api/8653/get+washington+latest+fuel+price+data' --header 'Authorization: Bearer YOUR_API_KEY' --header 'Content-Type: application/json' --data-raw '{"fuel_type":"Required"}'
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 Washington Fuel Prices API simply include your bearer token in the Authorization header.
| Header | Description |
|---|---|
Authorization
|
Required
Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.
|
No long-term commitment. Upgrade, downgrade, or cancel anytime. Free Trial includes up to 50 requests.
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The Washington Fuel Prices API provides historical data on conventional retail gasoline prices in Washington state, measured in dollars per gallon, with yearly records and monthly breakdowns.
The data is structured as a JSON object, with clear fields for year, month, and price, allowing for easy parsing and analysis.
The API requires the ability to handle large datasets that span multiple years, ensuring efficient retrieval and processing of historical price data.
Yes, the API adheres to standard data formats, making it easy to integrate and utilize for analysis or application development.
The API provides historical gasoline price data that can be accessed on a yearly basis with monthly breakdowns, covering multiple years.
This endpoint returns historical gasoline price data for Washington state, specifically detailing the price per gallon for a specified month and year. The data includes records from May 2003 to January 2025.
The response data includes three key fields: "year" (the year of the price record), "month" (the month of the price record), and "value" (the price in dollars per gallon).
The response for the latest fuel price data is structured as a JSON object containing fields for "year," "month," and "price," providing the most recent gasoline price information.
Users can specify the "month" and "year" as parameters to retrieve historical fuel prices for that specific time period.
This endpoint provides the latest gasoline price data for various fuel types, including regular, mid-grade, premium, and diesel, allowing users to stay updated on current market conditions.
Users can parse the JSON response to extract relevant price information for analysis, reporting, or application development, enabling insights into historical trends or current pricing.
The API sources its data from reliable state records and fuel price reporting systems, ensuring that the information reflects accurate and up-to-date gasoline prices.
Typical use cases include market analysis, fuel price forecasting, academic research, and application development for consumers or businesses needing fuel price insights in Washington state.
To obtain your API key, first sign in to your account and navigate to the API you want to use. From the API's Pricing section, choose a plan and complete the subscription process. Once subscribed, return to the API page and you will see your API Access Key displayed at the top of the documentation page. You can use this key to authenticate your requests.
You can’t switch APIs during the free trial. If you subscribe to a different API, your trial will end and the new subscription will start as a paid plan.
The free trial lasts for 7 days and allows you to make up to 50 API requests.
No, the free trial is available only once, so we recommend using it on the API that interests you the most. Most of our APIs offer a free trial, but some may not include this option.
Yes. If the API offers a free trial, you will see a "Free 7-Day Trial" option in its Pricing section. The trial lasts for 7 days and allows up to 50 API requests, enabling you to evaluate the API before subscribing to a paid plan.
Zyla API Hub is like a big store for APIs, where you can find thousands of them all in one place. We also offer dedicated support and real-time monitoring of all APIs. Once you sign up, you can pick and choose which APIs you want to use. Just remember, each API needs its own subscription. But if you subscribe to multiple ones, you'll use the same key for all of them, making things easier for you.
You can monitor your API usage through the response headers included with every request:
x-zyla-api-calls-monthly-used: Shows the total number of API requests you have used during the current billing period.
x-zyla-api-calls-monthly-remaining: Shows the number of API requests you have remaining for the current billing period.
Yes, you can cancel your subscription at any time. Simply go to the Pricing section of the API you're subscribed to and click the "Unsubscribe" button.
Please note that upgrades, downgrades, and cancellations take effect immediately. Once your subscription is canceled, access to the service will end immediately, regardless of any remaining API calls in your quota.
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