Chainstack's APIs and software are used by thousands of businesses, large and small, to build, scale, and maintain blockchain applications. To ensure your security and control, Chainstack's APIs offer secure node connections and key security best practices. Invite other members to join your network and deploy their infrastructure using simple network management tools. You can build and deploy the blockchain protocol that suits your needs. The protocol will never be updated or modified again. Chainstack's managed services for blockchain make it easy to launch, join, and scale decentralized networks. You can now safely experiment with enterprise-grade tools and services and then run production. Continuously monitor and provision your resources.
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Summ (formerly Crypto Tax Calculator) is a crypto & equities tax platform that simplifies tracking and reporting across all your exchanges, wallets, NFTs, and DeFi activity. Backed by Airtree, Coinbase Ventures, and 20VC, Summ helps investors stay compliant with confidence.
With support for thousands of integrations, Summ imports your complete transaction history and automatically generates audit-ready tax reports aligned with the tax requirements of over 180 countries.
Users can review trades, uncover tax-saving opportunities, and download accountant-ready tax forms, including Form 8949, Form 1040, capital gains summaries, and more.
Summ's portfolio tracker delivers real-time profit and loss insights, estimated tax liabilities, and accurate pricing for more than 300,000 cryptocurrencies and shares.
Rated 4.6/5 on Trustpilot and featuring seamless TurboTax integration, Summ makes crypto & equities tax reporting simple for both casual investors and active traders.
Built for speed, accuracy, and compliance, Summ gives users complete confidence at tax time.
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Goldsky
Ensure that every modification you implement is recorded. Utilize version history to easily switch between iterations, confirming that your API operates without issues. Our infrastructure, optimized for subgraph pre-caching, enables customers to experience indexing speeds that are up to three times faster, all without requiring any code alterations. You can create streams using SQL from subgraphs and other data streams, achieving persistent aggregations with zero latency, accessible through bridges. We offer sub-second, reorganization-aware ETL capabilities to various tools such as Hasura, Timescale, and Elasticsearch, among others. Combine subgraphs from different chains into a single stream, allowing you to perform costly aggregations in just milliseconds. Stack streams on top of one another, integrate with off-chain data, and establish a distinctive real-time perspective of the blockchain. Execute reliable webhooks, conduct analytical queries, and utilize fuzzy search features, among other functionalities. Furthermore, you can connect streams and subgraphs to databases like Timescale and Elasticsearch, or directly to a hosted GraphQL API, expanding your data handling capabilities. This comprehensive approach ensures that your data processing remains efficient and effective.
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Unmarshal
With Unmarshal's APIs, Notifications, you can create applications that track token balances, transactions, protocol positions, and other information. Unmarshal's APIs and Websockets allow users to track token metrics, protocol metrics, and price trends. Unmarshal's protocol engine allows you to track protocol volumes, transactions, analytics, and user positions for lending or borrowing. Unmarshal's insights and analytics dashboards, as well as price trend notifications, will help you make better investment decisions. Unmarshal is a Decentralized network that provides transforming tools and data indexers for any blockchain. Fully indexed blockchain data for tracking wallet balances and transactions across multiple chains. Self-service portal to subscribe to any new protocols. Within hours, you will receive indexed data. You can send real-time alerts to your customers about any transactions in their wallets.
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