HaloStar (HSR) API and Price Oracle

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For informational use only; request a custom oracle/API for production below.
General information
Contract address
Smart contract address of the asset
Blockchain network where the asset is deployed
Pricing methodology used to determine the price of the token in USD. By default, all price feeds on the DIA App are calculated with a MAIR methodology. This parameter is customisable.Learn more about methodologies.
Update frequency
120 seconds is the default update frequency. This parameter is customisable.Learn more about oracle updates.
Next update
24h Volume
The total volume captured by DIA across all the integrated sources.
Volume 24h
Trades 24h
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Token information

What is HaloStar (HSR)?

HaloStar (HSR) is a cryptocurrency that aims to be a decentralized payment system. It was founded in 2017 by Martin Simon and is developed by the Halo Technology team. HSR's name originates from the combination of "Halo," representing the project's goal of creating a trusted and transparent network, and "Star," symbolizing its ambition to become a prominent player in the crypto industry. HSR's key features include fast transaction processing and low fees.

How does HaloStar work?

HaloStar is a blockchain oracle that provides reliable and verifiable external data to smart contracts. It is built on the Ethereum blockchain, utilizing its robust and secure infrastructure.

The underlying technology behind HaloStar involves a network of nodes that collect and validate real-world data from various sources such as APIs, websites, and other external systems. These nodes are operated by trusted data providers who ensure the accuracy and authenticity of the data being supplied.

When a smart contract requires external data, it sends a request to the HaloStar oracle. The oracle then retrieves the requested information from its network of nodes. The data is verified and authenticated by consensus mechanisms implemented within the network, ensuring its integrity.

HaloStar leverages the power of blockchain technology to achieve transparency and immutability. The retrieved data is timestamped and stored on the Ethereum blockchain, making it tamper-proof and publicly available for audit purposes.

The functioning of HaloStar is based on a decentralized approach, where multiple nodes independently verify the data. This mitigates the risk of a single point of failure or manipulation, providing a highly reliable source of information for smart contracts.

Overall, HaloStar enhances the capabilities of decentralized applications by enabling them to interact with reliable external data. It ensures the accuracy and integrity of the supplied information, making it a valuable tool for various blockchain-based use cases.

What are the benefits of HaloStar?

HaloStar, as a blockchain oracle, offers several benefits compared to its direct competitors. One of its key advantages is its versatility in accessing and providing off-chain data to smart contracts. HaloStar is designed to connect various data sources, allowing smart contracts to access real-world information easily. This makes it a reliable and robust solution for blockchain applications requiring external data integration.

Compared to its competitors, HaloStar stands out in terms of scalability. It has the capability to handle high throughput data queries, ensuring efficient data retrieval and processing. Its scalability is particularly beneficial for decentralized finance (DeFi) applications that demand real-time and accurate data feeds.

Another advantage of HaloStar is its data authenticity and verification process. It ensures that the data provided by the oracle is reliable and tamper-proof. By employing advanced cryptographic techniques, HaloStar guarantees the integrity of the data, preventing any malicious manipulation.

Furthermore, HaloStar's flexibility in data customization and filtering sets it apart from its competitors. It allows developers to tailor the data feeds according to their specific requirements, filtering out unnecessary information and reducing the query overhead.

In conclusion, HaloStar offers several beneficial features compared to its direct competitors in the blockchain oracle space. Its versatility, scalability, data authenticity, and customization options provide a reliable and efficient solution for integrating off-chain data into smart contracts.

What is HaloStar used for?

HaloStar is a blockchain oracle designed to provide external data to smart contracts. It acts as a bridge between blockchains and the real world by supplying verified information from external sources. The main purpose of HaloStar is to ensure the accuracy and reliability of data used in decentralized applications (dApps).

There are several common use cases for HaloStar. One of them is price feeds for cryptocurrencies. By retrieving real-time data from external sources, HaloStar enables smart contracts to access accurate and up-to-date price information for cryptocurrencies. This is particularly useful in decentralized exchanges (DEXs) and other DeFi applications where the precise valuation of assets is crucial.

Another common use case for HaloStar is obtaining data from real-world events on the blockchain. For example, it can provide verifiable data about weather conditions, sports scores, stock prices, or any other information that exists outside the blockchain. This data can be used to trigger smart contract actions, such as executing a trade based on specific market conditions or settling a bet based on the outcome of a sports event.

In addition, HaloStar can also be employed in supply chain management systems to track and verify the origin and authenticity of products. By connecting to external sources, it ensures the integrity of data related to product provenance and quality, enhancing transparency and trust in supply chain processes.

Overall, HaloStar serves as a reliable source of external data for smart contracts, enabling them to interact with the real world in a secure and trustworthy manner.

What is DIA's HaloStar API?

DIA's HaloStar API is an essential tool for accessing real-time price feeds of various crypto assets. These price feeds are compiled using data from over 85 on-chain and off-chain cryptocurrency and NFT exchanges. DIA's extensive data collection allows them to provide comprehensive and accurate information, setting them apart from other web3 data providers.

The API endpoints offered by DIA serve multiple purposes. Firstly, developers can freely test the API endpoints provided by DIA. These free endpoints follow a standardized format and are publicly available for informational purposes. They are an excellent option for developers who want to experiment and get a feel for the price feed data.

However, DIA goes a step further by offering fully customizable and tailor-made API data feeds. These custom configurations can be modified based on specific requirements, such as the sources, methodologies, and update mechanisms for the feeds. To access these custom feeds, users can contact DIA through Discord or Telegram.

The custom API data feeds provided by DIA are particularly beneficial and valuable for users. They cater to individual needs and provide more flexibility in terms of data sources and feed specifications. These custom feeds can be utilized in various ways within the blockchain ecosystem. For instance, they can be leveraged in derivatives, options and futures, lending and borrowing markets, collateralized stablecoins, synthetic asset issuance, money markets, and many more DeFi and NFTfi applications.

In conclusion, while DIA offers free API endpoints that are useful for testing, the real value lies in the customization options available for users. These custom feeds provide greater control and adaptability, enabling developers and businesses to leverage DIA's comprehensive data sources to meet their specific requirements.

What is DIA's HaloStar price oracle?

DIA's HaloStar price oracle is a smart contract that provides real-time price feeds for various crypto assets. Integrated with over 35 layer 1 and layer 2 networks, DIA offers the flexibility to deploy price oracles across multiple blockchains. What sets DIA apart is its extensive data sourcing, aggregating raw data from more than 85 on-chain and off-chain cryptocurrency and NFT exchanges.

While DIA offers demo oracles for developers to test, these are strictly for testing purposes and cannot be integrated into production applications. However, if users require a custom configuration for a feed, DIA can create dedicated price feed oracles tailored to their specific needs. These custom oracles can be customized in terms of sources, methodologies, update mechanisms, and more. To request a custom feed, users can reach out to DIA via Discord or Telegram.

DIA's price oracles have numerous applications in the blockchain ecosystem. For decentralized finance (DeFi), they can be utilized in derivatives, options, futures, lending and borrowing markets, collateralized stablecoins, synthetic asset issuance, money markets, and more. Additionally, in the emerging NFTfi space, DIA's oracles can enable peer-to-pool NFT lending and borrowing, on-chain NFT derivatives, NFT renting, NFT fractionalization, and more.

A blockchain oracle, in general, is an external provider that supplies verified data to smart contracts from outside the blockchain. Oracles play a crucial role in bridging the gap between the decentralized blockchain world and real-world data sources, ensuring the accuracy and reliability of information utilized by smart contracts.

DIA's focus on providing custom oracles tailored to individual needs showcases their commitment to delivering specialized and precise price data for users. By offering this service, DIA empowers developers and decentralized applications to access accurate and relevant information that can enhance their blockchain projects.

Why use DIA's HSR API & price oracle?

DIA's HSR API & HSR Price Oracle offer numerous benefits for users in the blockchain ecosystem. One key advantage is the high level of customizability. Both the API and Price Oracle can be tailored to the specific needs of decentralized applications, allowing users to configure settings such as the data sources, data cleaning filters, pricing methodologies, and update frequency. This customization ensures that the data and oracle remain robust and resilient to market conditions, providing accurate and reliable price data for cryptocurrencies and NFTs.

Transparency is another major benefit of using DIA's API and Oracle feeds. Users have full visibility into the entire data journey, allowing for trust and verification. Furthermore, DIA provides tracking and monitoring tools that enable users to closely monitor the performance of their oracle and API feeds.

Overall, DIA's HSR API and Price Oracle offer accuracy, reliability, customization, and transparency for accessing price data in the blockchain ecosystem. By leveraging these technologies, users can make informed decisions based on accurate information, enhancing their overall experience in the blockchain space.

Why use DIA data feeds and oracles?

DIA provides full insight on the oracle’s data journey as well monitoring tools to track feeds in real-time.
Oracles can be tailored to any use case in terms of data sources, methodologies and update mechanisms and much more.
Broadest coverage
DIA provides price oracles for 3,000+ cryptocurrencies: from blue-chip tokens to long-tail assets.