Top 9 Best Real-Time APIs & Alternatives (2021)

This API provides end-users with real-time data regarding currency exchange rates for 170 world currencies.

API Features:

The Fixer Currency API allows developers to integrate real-time query results on their platform for users to view. End-users can search specific currencies, see daily fluctuation data and map change rates over time. Additionally, the API provides tools for users to see the exchange rates between currencies.

Benefits:

Exact currency exchange rates change throughout the course of the day. Using this API, developers provide end-users with the most up-to-date information on well over 100 currencies, allowing them to make informed conversion decisions based on market rates.

Pricing:

There are four tiered plans for this API. The first tier is the basic plan, which is free. It offers developers up to 1000 requests per month. The next plan, the pro, offers up to 10000 requests monthly and costs $10. Next, the ultra plan costs $40.00 a month with a limit request of up to 100000 requests per month. Finally, the mega plan costs $80.00 a month and offers up to 500000 requests monthly.

Using this API, developers can utilize real time tracking information through their website or platform.

API Features:

This API offers developers the ability to incorporate vehicle tracking using GPS features directly onto their platforms. Typically speaking, developers can use this information to provide accurate and updated schedules for public transportation. These features include information on delays, cancellations and other issues that may disrupt regular routines.

Benefits:

Using this API, developers gain access to relevant information to track local transit using the same tracking systems transit providers use. End-users can check a developer's platform, determine current bus schedules, see if their transportation will be on time and instantly see updated arrival schedules.

Pricing:

This real time API is free for developers to integrate into their platforms as they see fit.

This API is ideal for developers creating sports-betting-related platforms, as it provides access to real-time information regarding scores and odds.

API Features:

Using this API, developers can integrate various features similar to those provided in high-tier, prescription-only sports betting websites. End-users can check sports scores in real-time, gaining access to current and future betting odds for many different sports.

Benefits:

Unlike other sports betting APIs, Sportspage Feeds provides real-time updates and results, allowing amateur sports betters to learn the ropes of betting and watch the changes to potential odds in real-time.

Pricing:

There are four pricing tiers to this API. The first tier is free, offering users up to 20 requests per day. The second tier offers 100 requests per day but costs $29.00. The third price tier, the ultra plan, provides up to 3000 requests per day and costs $69.00. Finally, the final tier, the mega plan, costs $119.00 a day and provides up to 30000 requests daily.

For developers creating a shopping platform, this API provides essential features to keep end-users updated on the most recent Amazon prices.

API Features:

Using this API, users can search for and request updated pricing information on any Amazon product. Between Amazon's daily lightning deals, multiple seller options and regular price fluctuations, shoppers often find themselves waiting for the ideal time to make a purchase. Therefore, this API becomes essential - developers can even set up alerts to notify users when a price drops on a watch-listed item, making sure end-users never miss a deal.

Benefits:

The price-tracking tools included in this API help online sellers and shoppers know when prices change and the most affordable option for all products across the store. Since the application monitors prices in real-time, sellers can keep regular pricing fair, and shoppers can receive the best price.

Pricing:

There are three price tiers for this API. The first tier is free, offering up to 150 requests from the API a month. The next tier, the pro tier, costs $50.00 a month and provides 10000 requests monthly. Finally, the ultra tier is the last price option. It costs $150.00 a month and offers up to 50000 requests, with a small charge for each additional subsequent request after.

This sports-related API offers real-time statistics, including upcoming games, cancellations and predictions based on historical odds.

API Features:

Developers that create sports-based platforms often find this API exceptionally useful. It provides access to a host of information available on nearly any professional sport. End-users can pull up sportsbooks, look at historical odds for the team to win, review current professional teams and look for upcoming games. Ultimately, it provides a virtual encyclopedia regarding any sports team of interest.

Benefits:

Developers for sports pages often know that many end-users check on sports statistics in real-time due to an inability to watch the game or simple curiosity. Using this API, developers can provide real-time game statistics alongside important statistics and other essential information any sports fan needs to access.

Pricing:

There are four included price tiers for this API. The first costs $24.99 a month, offering 50 requests per day. Next, the second tier costs $49.99 monthly and includes up to 100 requests per day. The third tier jumps up to up to 1000 requests per day, costing $199.99 a month. Finally, the fourth tier costs $999.99 a month and offers up to 10000 daily requests, with a small fee for each subsequent request.

As stock markets fluctuate, many investors need a way to monitor stock prices in real-time. This API allows developers access to these numbers for United States stocks.

API Features:

Unlike some of the real time API alternatives available, Option Chain allows developers easy search access to real-time stock market information. When a developer integrates this API into their platform, it allows end-users to request up-to-date stock information for any US-listed stock options, including highs, lows and daily movement.

Benefits:

End-users can access historical data and compare it to current data, looking for predictions based on the current stock market. Additionally, they can also compare similar stocks to determine which has a better-projected success rate moving forward.

Pricing:

This real time API is free for individuals to use with up to five requests per day. There are also three paid tiers. The first costs $9.99 a month and offers up to 100 requests daily. The second costs $19.99 a month and offers up to 500 requests daily. Finally, the third paid plan offers unlimited daily requests for $99.99.

For real estate agents, Zillow is the go-to resource for real-time market data.

API Features:

Using this API, real estate agents and potential home buyers can look up the most up-to-date housing costs in their area, search for listed houses and rentals on the market currently and compare prices based on location and more. Additionally, users have access to historical data to compare with current figures.

Benefits:

Developers provide end-users with a comprehensive view of the housing market locally, allowing users to find the most affordable and valuable propers that meet their specific search criteria.

Pricing:

This API is free to use and does not incur additional fees.

No one enjoys getting spoofed phone calls. Using this API, developers can create platforms that "fact check" phone numbers for end-users.

API Features:

This API provides a database of real-time information on current phone numbers. Additionally, users can check phone numbers to see if others got "spam" calls from this number, letting them know if it was spoofed. Finally, developers who integrate this API provide end-users with the ability to determine the caller's true location for validity and report fake spam calls.

Benefits:

Users can report current spoofed numbers, providing this information to other platform users so that they're aware that while it is a real number calling, it is a spam call.

Pricing:

This API offers free basic requests, with a nominal fee for each standard and advance request performed.

Google often has some of the best prices for items available online. Using this API, developers provide access to real-time Google Shopping prices and deal alerts.

API Features:

The Google Shopping API offers real-time updates on current prices through the Google Shopping marketplace. Users can set deal alerts, allowing them to get notifications when an item drops in price or check the current price and any deals available through the platform using this API.

Benefits:

Developers can provide users with in-platform access to current prices for items, allowing end-users to receive the best deals on hundreds of online shopping items.

Pricing:

Developers can use this API for free with up to 150 requests per month. However, there are two paid plans, as well. The first plan costs $50.00 a month and offers up to 10000 monthly requests. The paid plan provides up to 50000 monthly requests, which each additional request charging a nominal fee. It costs $150.00 a month.