API Changelog

Every change to our API matters and reflects our belief in one of the following guiding principles which we include as tags on each changelog item:

• <multichain> - one unified API for all chains
• <data-accessibility> - access to any blockchain data at any time with greater detail.
• <no-code> - support for non-devs

​2021-03-30

​Added

• Integrated FantomOpen external link chain! Fantom is a high-performance, scalable, customizable, and secure smart-contract platform. Fantom is permissionless, decentralized, and open-source while achieving fast finality (1-2 second transaction confirmation) and low fees ($0.00001). Furthermore, Fantom is EVM-compatible. ChainID: 250. <multichain>

• SushiSwapService Feature - Add swaps to Get Sushiswap address exchange liquidity transactions. <data-accessibility>

• Added NFT support for OPENSEA store front, Rariable, Zora, Hashmasks, Cryptopunks. With new endpoints. <data-accessibility>

  • Get external NFT metadata /v1/{chain_id}/tokens/{address}/nft_metadata/{token_id}/
  • Get NFT Token IDs /v1/{chain_id}/tokens/{address}/nft_token_ids/
  • Get NFT Transactions /v1/{chain_id}/tokens/{address}/nft_transactions/{token_id}/

• New Endpoint /v1/{chain_id}/address/{address}/portfolio_v2/ to Calculate historical portfolio value over time. With this new feature, organizations can get the USD value of all the ERC20 tokens in their wallet over the last 30 days with a 24 hour granularity. <data-accessibility>

• Avalanche C-ChainOpen external link has been indexed and is now ready for production use case. We are thrilled to be supporting AvalancheOpen external link. Avalanche is the first smart contracts platform that confirms transactions instantly, supports the entirety of the Ethereum development toolkit, and enables millions of independent validators to participate as full block producers. <multichain>

​Fixed

• Fix NFTService - Returned transactions data is empty. Issue-512Open external link

• Update NFT token_ids endpoint to support Binance Smart Chain. Issue-500Open external link

• Fix NFT Transactions endpoint returns duplicate-transactions. Issue-481Open external link

• Fix AVAX - balances returns zero. Issue-470Open external link

• Fix NFT balances empty when no-nft-fetch=true. Fixed by sql change. Issue-467Open external link

• Fix NFTService - Covalent NFT support for 0x495f947276749ce646f68ac8c248420045cb7b5e. Issue-465Open external link

• Fix NftService - Get all contract metadata on ChainId 56 timesout. Issue-454Open external link

• Fix NftService get external metadata. Issue-452Open external link

• Fix SushiSwap get address exchange balances was missing pools bug. Replaced getLiquidityEvents with getDecodedSushiswapActionEvents to filter Mint events. Issue-448Open external link

• Fix TokenBalanceService - not returning erc1155 tokens on Polygon[Matic] test net. Issue-432Open external link

​2021-02-28

​Added

• Binance Smart Chain (BSC) has been indexed and is now ready for beta testing. BSC is one of the most promising up-and-coming blockchains and we are thrilled to be supporting it. <multichain>

• New endpoint: Show all NFT token IDs by contract addressOpen external link <data-accessibility>

• Token balances endpoint now displays the token classification (ie. ERC20, ERC721, ERC1155, etc.). <no-code> <data-accessibility>

• Topic Hash CalculatorOpen external link - can find the topic hashes that are available in any smart contract address. <no-code> <data-accessibility>

• Uniswap Network V2 Assets endpoint now has an updated_at field to display when the last time the data was refreshed. <data-accessibility>

​Fixed

• Trim for all query params so that trailing spaces do not break the queries made in the docs/api. Issue-404Open external link

• Native BNB pricing for transaction prices / gas. Issue-394Open external link

• Fix AXIE and CryptoKitties NFT fetch data since they are not fully compliant with the ERC 721 standard. Issue-362Open external link

• Fix dust categorization issue related to ETH prices. Issue-329Open external link

​2021-01-26

​Added

• SushiSwap balances and log events are now available to serve up data for one of the largest DeFi exchanges. <data-accessibility>

• Aave V2 balances and network assets are now available to add to our existing support for one of the most promising projects in DeFi. <data-accessibility>

• All Class A endpoints now support CSV format. Simply append &format=csv to the URL to get your API response as CSV. <no-code>

• Matic MainNet and Matic Mumbai TestNet are now live. For more info, check out our docs on the Matic network: Matic NetworkOpen external link. <multichain>

• New NFT metadata endpoint providing ERC721 and ERC1155 metadata is now available. For more information on how to access NFT data, check out the Working with NFTsOpen external link case study. <data-accessibility>

​Changed

​Deprecated

​Removed

​Fixed

​Security