7 Top Fantasy Sports APIs

Fantasy Sport leagues are more popular than ever these days, with an estimated 60 million people participating in league play. Typically the participants create virtual teams based on real players of various sports, and utilize those real player statistics to compute finals scores and compete with other virtual teams. Nearly every real team sport imaginable has a fantasy component played by fans at the present, with many of the leagues requiring dues for players and payoffs for winners.

Several “official” fantasy sports leagues are commissioned by real leagues, including the NFL and Premier League soccer. Other leagues are created by individual organizations, or partner organizations, for a plethora of sports, including basketball, baseball, soccer, college sports, UFC, golf, tennis, auto racing and eSports. Developers looking to create applications to accompany this popular past time can start by finding the best APIs to suit their needs.

What is a Fantasy Sports API?

A Fantasy Sports API is an Application Programming Interface that enables developers to create applications that tap into Fantasy Sports data.

The best place to find these APIs is in the Fantasy Sports category in the ProgrammableWeb directory. In this article we highlight some favorites from our readers.

1. Sportradar Sports Data API

Sportradar provides real-time, accurate sports statistics and sports content. Sportradar’s data coverage includes all major U.S. sports, plus hundreds of leagues throughout the world. Data can be retrieved from Sportsradar via REST APITrack this API. This data includes schedules, standings, statistics, play by play, live images, and more.

2. Yahoo Fantasy Sports API

Yahoo Fantasy Sports allows users to compete against each other using statistics from real-world competitions. The Yahoo Fantasy Sports APITrack this API provides rich data on leagues, teams and player information. Use it to analyze draft results, review free agents, optimize current rosters, or create other applications. The Yahoo Fantasy Sports API utilizes the Yahoo Query Language (YQL) as a mechanism to access Yahoo Fantasy Sports data, returning data in XML and JSON formats.

3. Cric API

CricAPI provides data about the game of Cricket. Use the API to get live cricket match data, a list of matches, latest scores, player batting and bowling stats. The CricAPI Fantasy APITrack this API can be used before the match to help you with choosing players (batsmen / bowlers) for your fantasy game; once this is done you can hit the API at regular intervals and calculate the results of your Fantasy Cricket.

4. API

The ProFootballAPI NFL APITrack this API provides users with access to a database of current and past NFL football statistics and game information. The database is updated every minute, even while games are being played. Data is available going back to 2009. The NFL API can provide answers to simple queries or return large data sets for more in-depth use.

5. Goalserve MLB API

Goalserve provides live sports data feeds for multiple sports. The Goalserve Sports Data Feeds MLB APITrack this API delivers fixtures, live scores, results, in-game player statistics, profiles, injuries, odds, historical data since 2010, prematch and more.

6. GameScorekeeper API

GameScorekeeper provides feeds of data about eSports including League of Legends, Counter-Strike: Global Offensive, Heroes of the Storm, and DOTA 2. The GameScorekeeper REST APITrack this API provides JSON data related to eSports such as upcoming matches, competitions, teams, and results. The GameScorekeeper Live APITrack this API provides real-time data from eSports matches through websockets.

7. Sportmonks Soccer API<

SportMonks is a provider of data feeds for a variety of different professional sports. The SportMonks Soccer APITrack this API provides data feeds for live scores, full season fixtures, video highlights, and in-play odds among other features. Users can access historical data stretching way back to 2005.

Screenshot: SportMonks

Check out the Fantasy Sports category for more APIs, plus SDKs, Source Code Samples, and other resources.

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Author: <a href="">joyc</a>


Daily API RoundUp: Tracehorse, Scanbot, Staytus, StackStorm, Horizen

Every day, the ProgrammableWeb team is busy, updating its three primary directories for APIs, clients (language-specific libraries or SDKs for consuming or providing APIs), and source code samples. If you have new APIs, clients, or source code examples to add to ProgrammableWeb’s directories, we offer forms (APIs, Clients, Source Code) for submitting them to our API research team. If there’s a listing in one of our directories that you’d like to claim as the owner, please contact us at [email protected].

Ten APIs have been added to the ProgrammableWeb directory in categories including Scanning, Cryptocurrency, and Gambling. Highlights include the Tracehorse API which provides odds for horse racing, the StackStorm API for managing your IT stack, and an API that offers random insults. Here’s a rundown of the latest additions.

APIs Tracehorse delivers pre-race odds for multiple markets, covering the UK and international racecourses. The Tracehorse APITrack this API provides developers with low-latency, real-time horse racing odds data from UK bookmakers, returning runners, bookmakers, decimal odds, and more. This API is listed in the Gambling category.

Scanbot is a document scanning platform that enables business process digitization. Scanbot offers QR-code and barcode scanning, Optical Character Recognition (OCR), and medical certificate scanning capabilities. Scanbot offers customized experiences for insurance companies, logistics, banking, healthcare, and accounting. The APITrack this API is available indirectly, via SDKs. Find it in the Scanning category.

Staytus is a complete solution for publishing the latest information about any issues with your web applications, networks, or services. The Staytus APITrack this API allows you to access and modify issues in your Staytus site, access and modify services, and manage the people who have subscribed to receive email updates. The Staytus API is listed in the Web Site Management category. is a cloud platform that enables document collaboration, automation, and compliance. The APITrack this API enables developers to manipulate user data, groups, automations, messages, and sessions. follows GDPR compliance requirements. The API is filed in the File Sharing category.

Thomson Reuters is a global provider of news and information-based tools including several APIs. The Thomas Reuters ONESOURCE Calendar APITrack this API enables applications to monitor tax-related activities including tax obligation search, due date calculation, jurisdiction updates, and more. This API is listed in the Taxes category.

Evil Insult APITrack this API enables applications to generate insults. Get requests that will produce JSON formatted insults. This API is filed under Humor.

UnivaPay is a Japanese payment provider with credit card and cross-border support. The UnivaPay APITrack this API enables single charge and recurrent payments. The API offers access to metadata, transactions, refunds, credit card management, and account verification processes. UnivaPay supports direct debit transfers, convenience store, and credit settlement, and prepaid cards. Find this API in the Payments category. is a Software as a Service (SaaS) document generation system. The APITrack this API enables users to generate rich documents such as PDFs, images, and more from HTML or a URL. The cloudlayer API is listed in the Documents category.

StackStorm is an open-source automation platform with 3rd-party systems and custom applications. The platform wires together applications, services, and workflows. The StackStorm APITrack this API enables users to manage components in the DevOps stack environment, with methods for actions, action alias, alias execution, configs, executions, inquiries, packs, policies, and more. It is listed in the DevOps category.

Horizen is an inclusive ecosystem for decentralized applications. Horizen’s ZEN is a cryptocurrency with full end-to-end encryption and offers an optional privacy feature that allows the control of digital footprints. The Horizen APITrack this API, accessible indirectly by several SDKs, enables developers to build and manage digital wallets, sidechain support, and other blockchain functionalities. It is listed in the Cryptocurrency category.

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Author: <a href="">joyc</a>


Defying a 150-year-old rule for phase behavior

Frozen water can take on up to three forms at the same time when it melts: liquid, ice and gas. This principle, which states that many substances can occur in up to three phases simultaneously, was explained 150 years ago by the Gibbs phase rule. Today, researchers from Eindhoven University of Technology and University Paris-Saclay are defying this classical theory, with proof of a five-phase equilibrium, something that many scholars considered impossible. This new knowledge yields useful insights for industries that work with complex mixtures, such as in the production of mayonnaise, paint or LCD’s. The researchers have published their results in the journal Physical Review Letters.

The founder of contemporary thermodynamics and physical chemistry is the American physicist Josiah Willard Gibbs. In the 1870s he derived the phase rule, which describes the maximum number of different phases a substance or mixture of substances can assume simultaneously. For pure substances, the Gibbs Phase Rule predicts a maximum of 3 phases.

Professor Remco Tuinier, of the Institute for Complex Molecular Systems: “At the time, Einstein called Gibbs’ thermodynamics the only theory he really trusted. If we take water as an example, there is one point, with a specific temperature and pressure, where water occurs as gas, liquid and ice at the same time. The so-called triple point.” Assistant professor Mark Vis, from the same research group as Tuinier, adds: “This classic Gibbs phase rule is as solid as a rock and has never been defied.”

SHAPE MATTERS According to this phase rule, the mixture studied by the researchers would also exhibit a maximum of three phases at one specific point at the same time. But Tuinier and his colleagues now show that in this mixture there is a whole series of circumstances in which four phases exist at the same time. There is even one point at which there are five coexisting phases. Two too many, according to Gibbs. At that specific one point, also called a five-phase equilibrium, a gas phase, two liquid crystal phases, and two solid phases with ‘ordinary’ crystals exist simultaneously. And that has never been seen before. “This is the first time that the famous Gibbs rule has been broken,” Vis says enthusiastically.

The crux lies in the shape of the particles in the mixture. Gibbs did not take this into consideration, but the Eindhoven scientists now show that it is precisely the specific length and diameter of the particles that play a major role. Tuinier: “In addition to the known variables of temperature and pressure, you get two additional variables: the length of the particle in relation to its diameter, and the diameter of the particle in relation to the diameter of other particles in the solution.”


In their theoretical models, the researchers worked with a mixture of two substances in a background solvent: rods and polymers. This is also called a colloidal system, in which the particles are solid and the medium is liquid. Because the particles cannot occupy exactly the same space, they interact with each other. “This is also called the excluded volume effect; it causes the rods to want to sit together. They are, as it were, pushed towards each other by the polymer chains. In this way, you get a region in the mixture that mainly contains rods, and an area that is rich in polymers,” explains Tuinier.

He continues: “The rods then sink to the bottom, because they’re usually heavier. That’s the beginning of segregation, creating phases.” The lower part, which mainly contains rods, will eventually become so crowded that the rods will interfere with each other. They then take up a preferential position, so that they are less in each other’s way.

With the rods it looks like a neat arrangement next to each other. Eventually you get five different phases, a gas phase with unaligned rods at the top (an isotropic phase), a liquid phase with rods pointing in about the same direction (nematic liquid crystal), a liquid phase with rods lying in different layers (smectic liquid crystal), and two solid phases at the bottom.


Vis: “Our research contributes to the fundamental knowledge about this kind of phase transition and helps to understand and predict more precisely when these kinds of transition occur.” And that is useful in many areas. Think of pumping complex mixtures around in industrial reactors, making complex products like colloidal mixtures such as mayonnaise and paint, or ice that forms on car windows and black ice on roads.

Even in liquid crystals in monitors, these processes play a role. “Most industries choose to work with a single-phase system, where there is no segregation. But if the exact transitions are clearly described, then the industry can actually use those different phases instead of avoiding them,” says Vis.


It was more or less chance that the researchers arrived at an equilibrium of more than three phases. When simulating and programming plate-shaped particles and polymers, PhD students Álvaro González García and Vincent Peters from Tuinier’s group saw a four-phase equilibrium. Tuinier: “Álvaro came to me one day and asked me what had gone wrong. Because four phases just couldn’t be right.”

Then the researchers tried out multiple shapes, such as cubes and also rods. Tuinier: “With the rods, most phases turned out to be possible, we even found a five-phase equilibrium. That could also mean that even more complicated equilibria are possible, as long as you search long enough for complex different particle shapes.”

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Shape matters for light-activated nanocatalysts

Points matter when designing nanoparticles that drive important chemical reactions using the power of light.

Researchers at Rice University’s Laboratory for Nanophotonics (LANP) have long known that a nanoparticle’s shape affects how it interacts with light, and their latest study shows how shape affects a particle’s ability to use light to catalyze important chemical reactions.

In a comparative study, LANP graduate students Lin Yuan and Minhan Lou and their colleagues studied aluminum nanoparticles with identical optical properties but different shapes. The most rounded had 14 sides and 24 blunt points. Another was cube-shaped, with six sides and eight 90-degree corners. The third, which the team dubbed “octopod,” also had six sides, but each of its eight corners ended in a pointed tip.

All three varieties have the ability to capture energy from light and release it periodically in the form of super-energetic hot electrons that can speed up catalytic reactions. Yuan, a chemist in the research group of LANP director Naomi Halas, conducted experiments to see how well each of the particles performed as photocatalysts for hydrogen dissociation reaction. The tests showed octopods had a 10 times higher reaction rate than the 14-sided nanocrystals and five times higher than the nanocubes. Octopods also had a lower apparent activation energy, about 45% lower than nanocubes and 49% lower than nanocrystals.

“The experiments demonstrated that sharper corners increased efficiencies,” said Yuan, co-lead author of the study, which is published in the American Chemical Society journal ACS Nano. “For the octopods, the angle of the corners is about 60 degrees, compared to 90 degrees for the cubes and more rounded points on the nanocrystals. So the smaller the angle, the greater the increase in reaction efficiencies. But how small the angle can be is limited by chemical synthesis. These are single crystals that prefer certain structures. You cannot make infinitely more sharpness.”

Lou, a physicist and study co-lead author in the research group of LANP’s Peter Nordlander, verified the results of the catalytic experiments by developing a theoretical model of the hot electron energy transfer process between the light-activated aluminum nanoparticles and hydrogen molecules.

“We input the wavelength of light and particle shape,” Lou said. “Using these two aspects, we can accurately predict which shape will produce the best catalyst.”

The work is part of an ongoing green chemistry effort by LANP to develop commercially viable light-activated nanocatalysts that can insert energy into chemical reactions with surgical precision. LANP has previously demonstrated catalysts for ethylene and syngas production, the splitting of ammonia to produce hydrogen fuel and for breaking apart “forever chemicals.”

“This study shows that photocatalyst shape is another design element engineers can use to create photocatalysts with the higher reaction rates and lower activation barriers,” said Halas, Rice’s Stanley C. Moore Professor of Electrical and Computer Engineering, director of Rice’s Smalley-Curl Institute and a professor of chemistry, bioengineering, physics and astronomy, and materials science and nanoengineering.

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Materials provided by Rice University. Note: Content may be edited for style and length.

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IEEE Spectrum

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Google Cloud’s Enhanced Interactive Docs Earn Editors Choice Award for DX

There are many facets that go into the leading API portals and ProgrammableWeb has created a series of articles that help you understand what best practices are being used by real-world API providers. The series was kicked off with a comprehensive checklist of the criteria needed to build a world-class API developer portal. Subsequent Editors Choice articles including this one will provide a more in-depth look at how individual providers have executed on the various criteria.

Google recently announced a feature update to its Google Cloud Storage documentation; placeholder variables that can be replaced within the code samples. This new feature lets a developer replace a placeholder variable within a code sample with their own custom variable. 

Figure 1 Placeholder variables allow you to use custom parameters in the code sample

This feature allows a developer to use parameters specific to their own instance thereby giving them a better understanding of how well the API will meet their needs. It takes the idea of interactive samples one step further by allowing for nearly bespoke code samples.

Another neat feature can be seen when a documentation page has multiple code samples that each have the same placeholder variable.

Figure 2 Changing the placeholder variable once, will change the variable for all instances across multiples samples on a page

As you can see in the image above, if you change the variable in one place, it will be replaced anywhere else it appears on the page, including within other code samples. Not only is this a time saver, it ensures consistency for developers when they run the samples.

Google’s use of placeholder variables is a forward step that helps make its documentation more relevant and easier to understand for anyone new to its APIs. For this reason, Google has earned a ProgrammableWeb Editor’s Choice award for Developer Experience.

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Author: <a href="">wsantos</a>


ClearBank to Offer Multi-currency Bank Accounts via API

ClearBank, a cloud-based clearing bank, has announced multi-currency bank accounts via the ClearBank APITrack this API. ClearBank expects to offer over 30 multi-currency bank accounts options during the fourth quarter of 2020. This capability will allow users to seamlessly move funds between accounts with real-time FOREX pricing.

“Before, there were only two options for firms looking to help their customers hold and move multiple currencies,” Simon Jones, ClearBank Chief Customer Officer, commented in a press release. “One, obtain multi-currency capabilities through an electronic money institution but miss out on the functionality of a fully-fledged bank account, or two, work with an established correspondent bank that isn’t API-fluent and lose time-to-market through arduous onboarding processes. [T]his represents the best of both worlds.”

JP Morgan will provide the cash management functionality of the new offering. It will give access to the multiple currencies, pricing, and execution. The operations are all performed via the new API. Client funds will be held by ClearBank.

ClearBank has built its banking business on cloud-first, API-based bank accounts. This new offering is the next evolution in its business model. To learn more, visit the ClearBank site.

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Author: <a href="">ecarter</a>

IEEE Spectrum

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Postman’s New Schema Validation Feature Helps Encourage API Spec Literacy

Postman, an API development platform provider, has announced that its API Builder is gaining the ability to validate API schemas in real-time via a new UI pane that is accessible in the tool’s define tab. The addition of this functionality helps to provide developers with real-time feedback and encourage API specification literacy.

At the time of the announcement Postman’s schema validation functionality is only supported for OpenAPI 3.0, although Kin Lane, Postman’s Chief Evangelist noted to ProgrammableWeb that the company intends to “support all of the leading API specifications equally when it comes to autocomplete, validation, and other design-time features.”

While editing OpenAPI definitions in Postman users will now notice a small banner across the bottom of the define panel that either states “Schema validated” or lists the number of errors that were found. This information updates in real-time and users can click on the banner to expand the UI and dive into the specifics of the errors that were found. The feature is speedy, usually updating to display errors within a few seconds and provides useful information for identifying the error made.

The most straightforward benefits of this new tool are obvious, identifying errors in real-time is certain to improve development speed and accuracy on the platform. When ProgrammableWeb asked Lane about other, less obvious benefits provided by this feature he noted that:

“OpenAPI literacy to help educate developers about the finer details of the specification, as well as helping speed up their design processes.” Lane continued by noting that there is additional value in, “Providing a feedback loop around not just the APIs, but how OpenAPI is being applied (or not), gathering data, and feeding back to the OAI to inform the road map for the specification.”

This new Schema Validation functionality is available now in Postman v7.29’s API Builder. 

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Author: <a href="">KevinSundstrom</a>


New design principles for spin-based quantum materials

As our lives become increasingly intertwined with technology — whether supporting communication while working remotely or streaming our favorite show — so too does our reliance on the data these devices create. Data centers supporting these technology ecosystems produce a significant carbon footprint — and consume 200 terawatt hours of energy each year, greater than the annual energy consumption of Iran. To balance ecological concerns yet meet growing demand, advances in microelectronic processors — the backbone of many Internet of Things (IoT) devices and data hubs — must be efficient and environmentally friendly.

Northwestern University materials scientists have developed new design principles that could help spur development of future quantum materials used to advance (IoT) devices and other resource-intensive technologies while limiting ecological damage.

“New path-breaking materials and computing paradigms are required to make data centers more energy-lean in the future,” said James Rondinelli, professor of materials science and engineering and the Morris E. Fine Professor in Materials and Manufacturing at the McCormick School of Engineering, who led the research.

The study marks an important step in Rondinelli’s efforts to create new materials that are non-volatile, energy efficient, and generate less heat — important aspects of future ultrafast, low-power electronics and quantum computers that can help meet the world’s growing demand for data.

Rather than certain classes of semiconductors using the electron’s charge in transistors to power computing, solid-state spin-based materials utilize the electron’s spin and have the potential to support low-energy memory devices. In particular, materials with a high-quality persistent spin texture (PST) can exhibit a long-lived persistent spin helix (PSH), which can be used to track or control the spin-based information in a transistor.

Although many spin-based materials already encode information using spins, that information can be corrupted as the spins propagate in the active portion of the transistor. The researchers’ novel PST protects that spin information in helix form, making it a potential platform where ultralow energy and ultrafast spin-based logic and memory devices operate.

The research team used quantum-mechanical models and computational methods to develop a framework to identify and assess the spin textures in a group of non-centrosymmetric crystalline materials. The ability to control and optimize the spin lifetimes and transport properties in these materials is vital to realizing the future of quantum microelectronic devices that operate with low energy consumption.

“The limiting characteristic of spin-based computing is the difficulty in attaining both long-lived and fully controllable spins from conventional semiconductor and magnetic materials,” Rondinelli said. “Our study will help future theoretical and experimental efforts aimed at controlling spins in otherwise non-magnetic materials to meet future scaling and economic demands.”

Rondinelli’s framework used microscopic effective models and group theory to identify three materials design criteria that would produce useful spin textures: carrier density, the number of electrons propagating through an effective magnetic field, Rashba anisotropy, the ratio between intrinsic spin-orbit coupling parameters of the materials, and momentum space occupation, the PST region active in the electronic band structure. These features were then assessed using quantum-mechanical simulations to discover high-performing PSHs in a range of oxide-based materials.

The researchers used these principles and numerical solutions to a series of differential spin-diffusion equations to assess the spin texture of each material and predict the spin lifetimes for the helix in the strong spin-orbit coupling limit. They also found they could adjust and improve the PST performance using atomic distortions at the picoscale. The group determined an optimal PST material, Sr3Hf2O7, which showed a substantially longer spin lifetime for the helix than in any previously reported material.

“Our approach provides a unique chemistry-agnostic strategy to discover, identify, and assess symmetry-protected persistent spin textures in quantum materials using intrinsic and extrinsic criteria,” Rondinelli said. “We proposed a way to expand the number of space groups hosting a PST, which may serve as a reservoir from which to design future PST materials, and found yet another use for ferroelectric oxides — compounds with a spontaneous electrical polarization. Our work also will help guide experimental efforts aimed at implementing the materials in real device structures.”

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Materials provided by Northwestern University. Original written by Alex Gerage. Note: Content may be edited for style and length.

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