Fetch Web3 data from more than 40 blockchains with Postman and Covalent
Blog post from Postman
Leibing Guo, a developer advocate at Covalent, discusses the challenges of accessing blockchain data and how Covalent simplifies this process with its unified API. The Covalent API converts unstructured JSON-RPC data from blockchains like Ethereum, Polygon, and Avalanche into structured formats accessible via public REST APIs, enabling developers to easily obtain information about tokens, balances, transactions, and liquidity. This API supports over 40 blockchains and is utilized by more than 40,000 developers, particularly those new to Web3. Covalent has also developed a Postman Collection that allows developers to quickly issue API requests without worrying about parameters and configurations, making it easier to access structured blockchain data. The post concludes by offering guidance on setting up and using the Covalent API within Postman, emphasizing the importance of environment variables for efficient data retrieval and providing additional resources for those new to Web3.
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