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Covalent API

3min
Overview
﻿Covalent provides an API that allows you to pull detailed, granular, and historical blockchain data such as:
Token balances associated with a given address.
History of transfers associated with a particular NFT.
Metadata associated with a given NFT contract.
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Using the API
The Covalent API documentation for Palm provides information on available API endpoints and lets users make requests directly from the browser.
﻿Sign up for an API key to use the Covalent API.
Pass the key as a query parameter with all requests using key=API_KEY.
To run queries against the Palm network update the chain_id query parameter to point to the targeted Palm network environment.
For example, to fetch all token balances (including NFTs) of a Palm address:
Make requests to the balances_v2 endpoint with chain_id as 11297108109 for Palm Mainnet.
Make requests to the balances_v2 endpoint with chain_id as 11297108099 for Palm Testnet.
Curl
curl -X GET https://api.covalenthq.com/v1/11297108109/address/0x4C1f6fCBd233241bF2f4D02811E3bF8429BC27B8/balances_v2/?quote-currency=USD&format=JSON&nft=false&no-nft-fetch=false&key=ckey_xxxxx \
-H "Accept: application/json"
curl -X GET https://api.covalenthq.com/v1/11297108109/address/0x4C1f6fCBd233241bF2f4D02811E3bF8429BC27B8/balances_v2/?quote-currency=USD&format=JSON&nft=false&no-nft-fetch=false&key=ckey_xxxxx \
-H "Accept: application/json"
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Updated 25 Mar 2024
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Example Queries