Sync and Index Smart Contract Events – Full Guide
December 7, 2021
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- Login
- Products
- Organised Blockchain DataUse powerful cross-chain data APIs for NFTs, tokens, balances, DeFi and more.web3 data api
- Real-Time On-Chain NotificationsSet custom filters and stream live on-chain data to your backend as it happens.streams api
- Web3 AuthenticationAdd Web3 authentication to any app, and sign in users with their favorite EVM or Solana wallet.auth api
Organised Blockchain DataUse powerful cross-chain data APIs for NFTs, tokens, balances, DeFi and more.web3 data api- NFT APICross-chain NFT transfers, prices and metadata.
- Token APIReal-time price, transfer and ownership token data.
- Balance APINative balance and token balances for user wallets.
- Transaction APIDetailed transaction and log data at your fingertips.
- Events APIPowerful out-of-the-box solutions to fetch logs and events.
- Block APISearch, filter and fetch blocks and its contents.
- DeFi APILiquidity reserves and pair data across multiple blockchains.
- Resolve APIResolve ENS names & unstoppable domains.
- IPFS APIUpload and get your data pinned automatically to IPFS.
- EVM APIGet NFT, token & transaction data from EVM chains.
Real-Time On-Chain NotificationsSet custom filters and stream live on-chain data to your backend as it happens.streams apiMoralis StreamsStream real-time blockchain data into your backend via webhooks. Ethereum, Polygon, Avalanche, BNB Chain, Fantom, Cronos and all testnets are supported.Web3 AuthenticationAdd Web3 authentication to any app, and sign in users with their favorite EVM or Solana wallet.auth apiMoralis AuthenticationIntegrate cross-chain Web3 authentication into your projects.- EVM APIGet NFT, token & transaction data from EVM chains.
- NFT APICross-chain NFT transfers, prices and metadata.
- Token APIReal-time price, transfer and ownership token data.
- Balance APINative balance and token balances for user wallets.
- Transaction APIDetailed transaction and log data at your fingertips.
- Events APIPowerful out-of-the-box solutions to fetch logs and events.
- Block APISearch, filter and fetch blocks and its contents.
- DeFi APILiquidity reserves and pair data across multiple blockchains.
- Resolve APIResolve ENS names & unstoppable domains.
- IPFS APIUpload and get your data pinned automatically to IPFS.
- Moralis StreamsStream real-time blockchain data into your backend via webhooks. Ethereum, Polygon, Avalanche, BNB Chain, Fantom, Cronos and all testnets are supported.
- Moralis AuthenticationIntegrate cross-chain Web3 authentication into your projects.
- Chains
- EVM Chains
- EthereumThe world’s biggest smart contract network
- BNBThe community-centric network with a vibrant ecosystem
- PolygonThe decentralized Ethereum scaling platform with low fees
- AvalancheThe quick and reliable smart contract platform
- FantomThe high-throughput open-source smart contract platform
- CronosThe EVM layer-1 network for DeFi, GameFi, and metaverse
- ArbitrumThe smart, secure layer-2 scaling network for Ethereum
- PalmThe scalable and sustainable Ethereum-compatible side chain
- OptimismThe layer-2 Optimistic Rollup network for speed, stability, and scalability
Other Networks
- For Business
- Resources
- API ReferenceStart building your Web3 project today with Web3 API endpoints.
- DocumentationIntegrate Web3 into any tech stack and follow step-by-step guides and get API endpoint references instantly.
- Moralis AcademyThe premier Web3 education platform, with an alumni of over 60,000 students and industry-leading Web3 courses.
- Moralis ForumJoin the Moralis forum for quick solutions and Web3 development discussions with our team and community.
- FAQAnswers to all your questions about building the future of Web3 using Moralis.
- Help CenterWe’ll help with everything you need!
- Pricing
- BlogThe number one blog for Web3 development. Join hundreds of thousands of readers in unraveling Web3 and learn how to build dapps at blazing speeds with Moralis!
- Moralis BlogUnravel Web3 and learn how to build dapps at blazing speeds with Moralis!All Articles
- News & AnnouncementsArticles about the happenings of the blockchain and crypto industry from Moralis.ioAll News
Moralis BlogUnravel Web3 and learn how to build dapps at blazing speeds with Moralis!All Articles- APICross-chain NFT transfers, prices and metadata.
- Token APIReal-time price, transfer and ownership token data.
- EthereumAll about Ethereum, how to build Ethereum dapps, create Ethereum NFT projects, and much more using Moralis!
- NFTsCreate your own NFT projects in a flash. Get all the inspiration and help you might need in building an NFT project.
- PythonMoralis’ Python SDK allows you to easily integrate Web3 functionality into your Python applications.
- StreamsThe easiest way to get real-time blockchain data via webhooks.
- Web3Keep up-to-date with how to create Web3 projects, launch dapps, build NFT applications, and much more.
News & AnnouncementsArticles about the happenings of the blockchain and crypto industry from Moralis.ioAll News- AnnouncementsOne place for all the latest announcements from Moralis. Learn about the latest chain integrations, partnerships, upcoming hackathons, and much, much more!
- FeaturedMoralis regularly ships new features that make life easier for all the developers using Moralis. Here, you can be the latest to take part of the latest Moralis features to supercharge your Web3 development.
- APICross-chain NFT transfers, prices and metadata.
- Token APIReal-time price, transfer and ownership token data.
- EthereumAll about Ethereum, how to build Ethereum dapps, create Ethereum NFT projects, and much more using Moralis!
- NFTsCreate your own NFT projects in a flash. Get all the inspiration and help you might need in building an NFT project.
- PythonMoralis’ Python SDK allows you to easily integrate Web3 functionality into your Python applications.
- StreamsThe easiest way to get real-time blockchain data via webhooks.
- Web3Keep up-to-date with how to create Web3 projects, launch dapps, build NFT applications, and much more.
- Start for Free
- Login
- Products
- Organised Blockchain DataUse powerful cross-chain data APIs for NFTs, tokens, balances, DeFi and more.web3 data api
- Real-Time On-Chain NotificationsSet custom filters and stream live on-chain data to your backend as it happens.streams api
- Web3 AuthenticationAdd Web3 authentication to any app, and sign in users with their favorite EVM or Solana wallet.auth api
Organised Blockchain DataUse powerful cross-chain data APIs for NFTs, tokens, balances, DeFi and more.web3 data api- NFT APICross-chain NFT transfers, prices and metadata.
- Token APIReal-time price, transfer and ownership token data.
- Balance APINative balance and token balances for user wallets.
- Transaction APIDetailed transaction and log data at your fingertips.
- Events APIPowerful out-of-the-box solutions to fetch logs and events.
- Block APISearch, filter and fetch blocks and its contents.
- DeFi APILiquidity reserves and pair data across multiple blockchains.
- Resolve APIResolve ENS names & unstoppable domains.
- IPFS APIUpload and get your data pinned automatically to IPFS.
- EVM APIGet NFT, token & transaction data from EVM chains.
Real-Time On-Chain NotificationsSet custom filters and stream live on-chain data to your backend as it happens.streams apiMoralis StreamsStream real-time blockchain data into your backend via webhooks. Ethereum, Polygon, Avalanche, BNB Chain, Fantom, Cronos and all testnets are supported.Web3 AuthenticationAdd Web3 authentication to any app, and sign in users with their favorite EVM or Solana wallet.auth apiMoralis AuthenticationIntegrate cross-chain Web3 authentication into your projects.- EVM APIGet NFT, token & transaction data from EVM chains.
- NFT APICross-chain NFT transfers, prices and metadata.
- Token APIReal-time price, transfer and ownership token data.
- Balance APINative balance and token balances for user wallets.
- Transaction APIDetailed transaction and log data at your fingertips.
- Events APIPowerful out-of-the-box solutions to fetch logs and events.
- Block APISearch, filter and fetch blocks and its contents.
- DeFi APILiquidity reserves and pair data across multiple blockchains.
- Resolve APIResolve ENS names & unstoppable domains.
- IPFS APIUpload and get your data pinned automatically to IPFS.
- Moralis StreamsStream real-time blockchain data into your backend via webhooks. Ethereum, Polygon, Avalanche, BNB Chain, Fantom, Cronos and all testnets are supported.
- Moralis AuthenticationIntegrate cross-chain Web3 authentication into your projects.
- Chains
- EVM Chains
- EthereumThe world’s biggest smart contract network
- BNBThe community-centric network with a vibrant ecosystem
- PolygonThe decentralized Ethereum scaling platform with low fees
- AvalancheThe quick and reliable smart contract platform
- FantomThe high-throughput open-source smart contract platform
- CronosThe EVM layer-1 network for DeFi, GameFi, and metaverse
- ArbitrumThe smart, secure layer-2 scaling network for Ethereum
- PalmThe scalable and sustainable Ethereum-compatible side chain
- OptimismThe layer-2 Optimistic Rollup network for speed, stability, and scalability
Other Networks
- For Business
- Resources
- API ReferenceStart building your Web3 project today with Web3 API endpoints.
- DocumentationIntegrate Web3 into any tech stack and follow step-by-step guides and get API endpoint references instantly.
- Moralis AcademyThe premier Web3 education platform, with an alumni of over 60,000 students and industry-leading Web3 courses.
- Moralis ForumJoin the Moralis forum for quick solutions and Web3 development discussions with our team and community.
- FAQAnswers to all your questions about building the future of Web3 using Moralis.
- Help CenterWe’ll help with everything you need!
- Pricing
- BlogThe number one blog for Web3 development. Join hundreds of thousands of readers in unraveling Web3 and learn how to build dapps at blazing speeds with Moralis!
- Moralis BlogUnravel Web3 and learn how to build dapps at blazing speeds with Moralis!All Articles
- News & AnnouncementsArticles about the happenings of the blockchain and crypto industry from Moralis.ioAll News
Moralis BlogUnravel Web3 and learn how to build dapps at blazing speeds with Moralis!All Articles- APICross-chain NFT transfers, prices and metadata.
- Token APIReal-time price, transfer and ownership token data.
- EthereumAll about Ethereum, how to build Ethereum dapps, create Ethereum NFT projects, and much more using Moralis!
- NFTsCreate your own NFT projects in a flash. Get all the inspiration and help you might need in building an NFT project.
- PythonMoralis’ Python SDK allows you to easily integrate Web3 functionality into your Python applications.
- StreamsThe easiest way to get real-time blockchain data via webhooks.
- Web3Keep up-to-date with how to create Web3 projects, launch dapps, build NFT applications, and much more.
News & AnnouncementsArticles about the happenings of the blockchain and crypto industry from Moralis.ioAll News- AnnouncementsOne place for all the latest announcements from Moralis. Learn about the latest chain integrations, partnerships, upcoming hackathons, and much, much more!
- FeaturedMoralis regularly ships new features that make life easier for all the developers using Moralis. Here, you can be the latest to take part of the latest Moralis features to supercharge your Web3 development.
- APICross-chain NFT transfers, prices and metadata.
- Token APIReal-time price, transfer and ownership token data.
- EthereumAll about Ethereum, how to build Ethereum dapps, create Ethereum NFT projects, and much more using Moralis!
- NFTsCreate your own NFT projects in a flash. Get all the inspiration and help you might need in building an NFT project.
- PythonMoralis’ Python SDK allows you to easily integrate Web3 functionality into your Python applications.
- StreamsThe easiest way to get real-time blockchain data via webhooks.
- Web3Keep up-to-date with how to create Web3 projects, launch dapps, build NFT applications, and much more.