Cardstack (CARD) API and Price Oracle

Cardstack API Logo


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
Get a custom Cardstack price oracle or API endpoint

DIA Oracle Builder [BETA]
Create and manage price oracles autonomously
  • Autonomously deploy oracles under 3 minutes
  • Select data sources, methodology & update triggers
  • Easily fund, edit and delete oracles
  • Management and monitoring dashboard
  • Available in 3 testnet chains
build your oracle
Request custom oracle
Request a fully tailored price oracle implementation
  • Autonomously deploy oracles under 3 minutes
  • Tailored oracles for any individual needs
  • Editable, updatable oracles
  • Real-time gas balance notifications
  • Available in 35+ chains
Start request process
Token information

What is Cardstack (CARD)?

Cardstack (CARD) is an open-source protocol for building decentralized applications (dApps) on Ethereum. It aims to simplify the development process by providing a unified framework for creating and managing dApps. The project was founded in 2017 by Chris Tse and is developed by the Cardstack team. The name "Cardstack" comes from the idea of organizing information into "cards" that can be stacked together to create unique user experiences.

How does Cardstack work?

Cardstack is a blockchain-based platform that aims to decentralize the internet and provide users with a more user-centric digital experience. At its core, Cardstack utilizes blockchain technology to power its ecosystem and improve the way we interact with applications and data.

The underlying technology behind Cardstack is a combination of smart contracts and blockchain oracles. Smart contracts are self-executing agreements that automatically perform certain actions when predefined conditions are met. These contracts are deployed on the Ethereum blockchain, which is the primary blockchain used by Cardstack.

Cardstack leverages blockchain oracles to access real-time data and information from external sources and bring it on-chain. A blockchain oracle acts as a bridge between the blockchain and the off-chain world, providing verified and tamper-proof data to smart contracts. This enables Cardstack to securely integrate external data into its decentralized applications and services.

In terms of its functioning, Cardstack operates through a stack-based approach. It allows users to build personalized application interfaces, called Card Space, by connecting and stacking different cards together. These cards are modular components that can represent various applications, data sources, and services.

Cardstack provides users with the flexibility to create customized workflows and experiences by selecting and arranging the cards according to their preferences. This empowers users to have greater control over their digital interactions and promotes a more intuitive and personalized user experience.

Overall, Cardstack leverages blockchain technology and a stack-based approach to decentralize the internet and offer users a more user-centric digital experience. By utilizing smart contracts and blockchain oracles, Cardstack is able to securely integrate external data sources and empower users with greater control and customization over their digital interactions.

What are the benefits of Cardstack?

Cardstack is a blockchain-based platform that offers several benefits in comparison to its direct competitors. One significant advantage of Cardstack is its ability to simplify the development and user experience of decentralized applications (dApps). It provides a user-friendly framework that allows developers to build applications efficiently, reducing the time and effort required for development.

Another benefit of Cardstack is its modular architecture. This approach enables developers to pick and choose from a wide variety of pre-built modules and components, thus accelerating the development process. This modular design also facilitates the integration of various blockchain protocols, making it easier to create interoperable dApps.

Compared to its competitors, Cardstack emphasizes the usability and accessibility of blockchain technology. It aims to bridge the gap between traditional applications and blockchain-based solutions, making it easier for mainstream users to adopt and interact with decentralized applications. By focusing on improving the user experience, Cardstack aims to attract a broader user base and drive mainstream adoption of blockchain technology.

Furthermore, Cardstack is dedicated to fostering a vibrant developer community. It provides a comprehensive set of tools, documentation, and resources to support developers in building and deploying dApps. This commitment to community engagement sets Cardstack apart from its direct competitors and promotes collaboration and innovation within the ecosystem.

In summary, Cardstack offers benefits such as simplified development and user experience, modular architecture, emphasis on usability, and a thriving developer community, which distinguish it from its direct competitors in the blockchain industry.

What is Cardstack used for?

Cardstack is a blockchain project that aims to address the challenges of interoperability and user experience in decentralized applications (dApps). It provides a framework for building and utilizing application ecosystems where users can easily navigate between different dApps and use them seamlessly.

One of the common use cases for Cardstack is the creation of personalized application dashboards. Users can aggregate various dApps and services into a single interface, allowing them to access and interact with different functionalities without the need to switch between multiple applications. This improves user experience and provides a more streamlined workflow.

Additionally, Cardstack enables the creation of composite dApps by combining functionalities from different projects. Developers can leverage Cardstack's tools and APIs to build applications that integrate features from various dApp platforms, allowing for greater flexibility and innovation.

An example of a specific use case for Cardstack is in the field of decentralized finance (DeFi). With Cardstack, users can create a personalized DeFi dashboard that integrates different DeFi protocols, such as lending platforms, decentralized exchanges, and yield farming services. This empowers users to access and manage their DeFi investments and activities in a unified manner, simplifying the complex DeFi ecosystem.

Overall, Cardstack provides a solution for improving the usability and connectivity of decentralized applications. By enabling personalized application dashboards and composite dApps, Cardstack enhances the user experience and fosters innovation in the blockchain space.

What is DIA's Cardstack API?

DIA's Cardstack API is a powerful tool that provides real-time price feeds for crypto assets. These price feeds are constructed using raw data from over 85 on-chain and off-chain cryptocurrency and NFT exchanges, ensuring accurate and reliable information. DIA's API endpoints are available for free, allowing developers to test and explore the functionality of the feeds.

However, DIA also offers fully customizable custom feeds, which are tailored to meet specific user requirements. These custom feeds can be configured in terms of sources, methodologies, update mechanisms, and more. To request a custom feed, users can reach out to DIA via Discord or Telegram.

The importance of custom feeds should not be understated. While the free API endpoints are helpful for testing purposes, the custom feeds offer a higher level of flexibility and customization. They enable users to fine-tune the information they receive to suit their specific needs and applications.

DIA's API has a wide range of use cases within the blockchain ecosystem. In DeFi, it can be utilized for derivatives, options and futures, lending and borrowing markets, collateralized stablecoins, synthetic asset issuance, money markets, and more. In NFTfi, it can support peer-to-pool NFT lending and borrowing, on-chain NFT derivatives, NFT renting, fractionalization, and various other applications.

In summary, DIA's Cardstack API provides both free and custom feeds for real-time price data of crypto assets. The custom feeds offer a heightened level of customization and flexibility, catering to specific user requirements within the blockchain ecosystem. With the ability to access accurate and reliable price information, developers can build innovative and functional applications across various decentralized finance and NFT use cases.

What is DIA's Cardstack price oracle?

DIA's Cardstack price oracle is a smart contract that provides real-time price feeds for crypto assets. DIA is integrated with over 35 layer 1 and layer 2 networks, allowing it to deploy price oracles on multiple blockchains. These price feeds are created by aggregating data from more than 85 on-chain and off-chain cryptocurrency and NFT exchanges, resulting in comprehensive and reliable information.

While DIA offers free demo oracles for developers to test, these are strictly for testing purposes and cannot be used in production applications. However, DIA also offers custom price feed oracles that can be tailored to specific requirements. These custom oracles can be configured in terms of sources, methodologies, update mechanisms, and more. To request a custom price feed, users can reach out to DIA via Discord or Telegram.

DIA's price oracles have various use cases within the blockchain ecosystem. In the realm of DeFi, they can be utilized for derivatives, options and futures, lending and borrowing markets, collateralized stablecoins, synthetic asset issuance, money markets, and more. Additionally, in the NFTfi sector, DIA's oracles can facilitate peer-to-pool NFT lending and borrowing, on-chain NFT derivatives, NFT renting, NFT fractionalization, and other innovative applications.

It's important to clarify the term "blockchain oracle," which refers to an external information provider that supplies verified data from outside the blockchain to smart contracts. These oracles bridge the gap between on-chain and off-chain data, ensuring that smart contracts have access to accurate and reliable information.

In summary, DIA's custom oracles are the key highlight, providing users with tailored price feed solutions. Developers can request custom configurations for their specific needs via Discord or Telegram. Whether in DeFi or NFTfi, DIA's price oracles offer valuable data for a wide range of applications within the blockchain ecosystem.

Why use DIA's CARD API & price oracle?

DIA's CARD API and Price Oracle offer numerous benefits for users in the blockchain ecosystem, specifically in terms of accessing accurate and reliable price data for cryptocurrencies and NFTs. One of the key advantages of utilizing DIA's technology is the high degree of customization available. Users can tailor each oracle and API endpoint to meet the unique requirements of decentralized applications. This customization includes configuration settings for data sources, data cleaning filters, pricing methodologies, and update mechanisms. By allowing users to adapt the oracle to specific market conditions, DIA ensures robustness and resilience in delivering tailored solutions.

Transparency is another significant advantage of DIA's API and Oracle feeds. These tools provide full and granular transparency throughout the entire data journey. Moreover, DIA offers tracking and monitoring tools that enable users to closely monitor the performance of their oracle and API feeds. This transparency fosters trust and confidence in the data obtained through DIA's technology.

In summary, DIA's CARD API and CARD Price Oracle provide a range of benefits for blockchain users. These include customizable features that adapt to specific market conditions, resulting in accurate price data for cryptocurrencies and NFTs. Additionally, DIA's focus on transparency ensures users have full visibility into the data journey, enhancing trust and confidence in the obtained information.

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.