# GoldRush by Covalent > Multichain blockchain data API across 100+ EVM and non-EVM chains. Wallet balances, > transaction history, NFTs, token prices, DEX pairs, and JSON-RPC. Pay per request via > the x402 protocol with no signup and no API key, or use an API key with a free tier. ## Start here - [GoldRush for AI agents](https://goldrush.dev/agents.md): x402 quick start, capability table, endpoint patterns and rate limits — start here if you are an agent - [Documentation](https://goldrush.dev/docs/): Full API documentation. Append .md to any /docs/* URL for the markdown version - [Pricing](https://goldrush.dev/pricing.md): Plans, free tier, and x402 per-request pricing, as markdown - [Supported chains](https://goldrush.dev/chains/): 100+ EVM and non-EVM chains with per-chain coverage ## API - [OpenAPI 3.1 contract](https://goldrush.dev/openapi.json): Every endpoint with typed requests, responses and errors - [Hosted MCP server](https://goldrush.dev/mcp): Streamable HTTP, no auth — search and retrieve GoldRush docs from an MCP client - [Agent capability manifest](https://goldrush.dev/.well-known/agent.json): Declared capabilities, endpoints and x402 authentication scheme - [API catalog](https://goldrush.dev/.well-known/api-catalog): RFC 9727 linkset pointing at the OpenAPI schema, docs and live status endpoint - [MCP server card](https://goldrush.dev/.well-known/mcp.json): Machine-readable MCP endpoint descriptor for automatic client configuration - [Full docs index](https://goldrush.dev/docs/llms.txt): Every documentation page, as an llms.txt index - [Everything inlined](https://goldrush.dev/llms-full.txt): Full text of the documentation in a single file ## Chains - [All supported chains](https://goldrush.dev/chains/): Index of every chain GoldRush indexes, with per-chain endpoint coverage - [Bitcoin](https://goldrush.dev/chains/bitcoin/): Bitcoin is the original blockchain and the world's largest cryptocurrency by market cap. GoldRush provides enhanced Bitcoin support including UTXO tracking and… - [Ethereum](https://goldrush.dev/chains/ethereum/): Ethereum is the foundational smart contract platform powering the majority of DeFi, NFTs, and Web3 innovation. The most secure and decentralized programmable b… - [Polygon](https://goldrush.dev/chains/polygon/): Polygon PoS is the most battle-tested Ethereum scaling solution with 1.3B+ transactions, 130M wallets, and 2.7M monthly active users. The proven choice for pro… - [BNB Smart Chain (BSC)](https://goldrush.dev/chains/bnb-smart-chain-%28bsc%29/): BNB Smart Chain (BSC) combines fast block times with low transaction costs, making it one of the most active chains for DeFi and token launches. Full EVM compa… - [Optimism](https://goldrush.dev/chains/optimism/): Optimism is a low-cost and lightning-fast Ethereum L2 blockchain. - [Avalanche C-Chain](https://goldrush.dev/chains/avalanche-c-chain/): Avalanche is an open-source platform for launching decentralized applications and enterprise blockchain deployments in one interoperable, highly scalable ecosy… - [Fantom](https://goldrush.dev/chains/fantom/): Fantom is a fast, high-throughput open-source smart contract platform for digital assets and dApps. Founded in 2018, Fantom is designed to overcome the limitat… - [Moonriver](https://goldrush.dev/chains/moonriver/): Moonriver is an Ethereum-compatible Solidity Smart Contracts Parachain on Kusama. Moonriver is a companion network to Moonbeam and provides a permanently incen… - [Solana](https://goldrush.dev/chains/solana/): Solana delivers 400ms block times and sub-cent transaction fees, making it the chain of choice for high-frequency trading, gaming, PumpFun memecoin discovery,… - [Arbitrum Nova](https://goldrush.dev/chains/arbitrum-nova/): Arbitrum Nova is a blockchain that features ultra-low transaction costs with high security. - [Oasis Sapphire](https://goldrush.dev/chains/oasis-sapphire/): The Sapphire ParaTime is the official confidential EVM Compatible ParaTime providing a smart contract development environment with EVM compatibility. Oasis Sap… - [Canto](https://goldrush.dev/chains/canto/): Canto is a general-purpose blockchain running the Ethereum Virtual Machine (EVM). It is focused on DeFi, making new systems will be made accessible, transparen… - [Moonbeam](https://goldrush.dev/chains/moonbeam/): Explore Moonbeam, an Ethereum-compatible parachain on Polkadot with enhanced governance, staking, and cross-chain integrations. Get started now! - [Cronos](https://goldrush.dev/chains/cronos/): Cronos is the first Ethereum-compatible blockchain network built on Cosmos SDK technology. An open-source and permission-less Layer 1 chain which runs in paral… - [Oasis](https://goldrush.dev/chains/oasis/): The Oasis Emerald ParaTime is the official EVM compatible ParaTime providing smart contract environment with full EVM compatibility. - [Harmony](https://goldrush.dev/chains/harmony/): Explore Harmony, the open blockchain with 2-second finality, low fees, and secure cross-chain bridges for Ethereum apps. Dive into historical data now! - [Axie/Ronin](https://goldrush.dev/chains/axie-ronin/): Discover Ronin, the Ethereum-linked side-chain for Axie Infinity. Earn tokens with skilled gameplay and community contributions. Get started today! - [Arbitrum](https://goldrush.dev/chains/arbitrum/): Arbitrum is Ethereum's leading L2 rollup, combining full EVM equivalence with dramatically lower fees. Trusted by major DeFi protocols for secure, scalable sma… - [Linea](https://goldrush.dev/chains/linea/): Linea is a type 2 zero knowledge Ethereum Virtual Machine that replicates an Ethereum environment by using rollups. - [Scroll](https://goldrush.dev/chains/scroll/): Discover Scroll, an L2 solution extending Ethereum with zero knowledge tech and EVM equivalence. Sign up for a free Covalent API key and start building today! - [Mantle](https://goldrush.dev/chains/mantle/): Mantle is a high-performance Ethereum layer-2 network built with modular architecture delivering low fees and high security. - [Gnosis](https://goldrush.dev/chains/gnosis/): Discover Gnosis Chain - a community-run Ethereum sidechain for decentralized prediction, governance, and efficient dApps. - [Base](https://goldrush.dev/chains/base/): Base is Coinbase's secure, low-cost L2 built on the OP Stack. With native Coinbase integrations and a thriving developer ecosystem, Base is bringing the next b… - [opBNB](https://goldrush.dev/chains/opbnb/): opBNB is an optimized L2 solution that offers low fees and high throughput for BNB Chain. - [zkSync Era](https://goldrush.dev/chains/zksync-era/): zkSync Era is a Layer-2 protocol that scales Ethereum with cutting-edge ZK tech. - [Blast](https://goldrush.dev/chains/blast/): Blast is an Ethereum L2 with native yield for ETH and Stablecoins. - [Taiko](https://goldrush.dev/chains/taiko/): Taiko is a Type 1 (Ethereum-equivalent) zkEVM that is open source and decentralized. - [Celo](https://goldrush.dev/chains/celo/): Celo is an EVM-compatible Layer-1 protocol. The Celo platform offers a decentralized address-based identity layer that makes it easy to send payments. - [Viction](https://goldrush.dev/chains/viction/): Viction, previously known as TomoChain, is a scalable, highly decentralized blockchain network that takes a community-driven approach to development and adopti… - [ZetaChain](https://goldrush.dev/chains/zetachain/): ZetaChain is an EVM-compatible L1 blockchain for cross-chain apps. - [Sei](https://goldrush.dev/chains/sei/): Sei is the first parallelized EVM, known for being extremely fast and processing multiple transactions at the same time. - [Cronos zkEVM](https://goldrush.dev/chains/cronos-zkevm/): Cronos zkEVM Mainnet is a zero-knowledge layer 2 network that was launched in a partnership between Cronos Labs and Matter Labs (the team behind zkSync) and Cr… - [ApeChain](https://goldrush.dev/chains/apechain/): Discover ApeChain, an Arbitrum Orbit L3 by ApeCoin, Horizen Labs & Caldera. Explore chain details, API access, and robust support to kickstart your project now. - [World Chain](https://goldrush.dev/chains/world-chain/): World Chain is a blockchain designed for humans, offering features like free gas fees, native mobile distribution through mini-apps, simplified crypto transact… - [Ink](https://goldrush.dev/chains/ink/): Ink is a cutting-edge L2 blockchain built on Optimism’s Superchain and released by Kraken. - [Berachain](https://goldrush.dev/chains/berachain/): Berachain is a high-performance EVM-compatible blockchain built on Proof-of-Liquidity consensus. - [Unichain](https://goldrush.dev/chains/unichain/): Unichain is a DeFi-native Ethereum L2, built to be the home for liquidity across chains. - [HyperEVM](https://goldrush.dev/chains/hyperevm/): HyperEVM brings Solidity smart contracts to the Hyperliquid ecosystem. Deploy familiar EVM dApps on a blockchain built for institutional-grade trading performa… - [Sonic](https://goldrush.dev/chains/sonic/): Sonic is the highest-performing EVM L1, combining speed, incentives, and world-class infrastructure for DeFi. - [Monad](https://goldrush.dev/chains/monad/): Monad redefines L1 scalability with 10,000 TPS, 1-second finality, and near-zero gas fees while maintaining full EVM compatibility. The next generation of high… - [Plasma](https://goldrush.dev/chains/plasma/): Plasma is a high-performance layer 1 blockchain purpose-built for stablecoins. It powers near instant, fee-free payments with institutional-grade security. - [HyperCore](https://goldrush.dev/chains/hypercore/): HyperCore powers fully onchain perpetual futures and spot order books with 200,000 orders/second throughput. The backbone of Hyperliquid's high-performance tra… - [ADI Chain](https://goldrush.dev/chains/adi-chain/): ADI Chain is a compliance-native L2 backed by UAE institutions, enabling governments and regulated institutions to launch stablecoins, health systems, land reg… - [MegaETH](https://goldrush.dev/chains/megaeth/): MegaETH is real-time Ethereum, streaming transactions at lightning speed: sub-millisecond latency and over 100,000 transactions per second. - [Tempo](https://goldrush.dev/chains/tempo/): Tempo is a general-purpose blockchain optimized for payments. - [Robinhood Chain](https://goldrush.dev/chains/robinhood-chain/): Robinhood Chain is a permissionless, AI-native Layer 2 blockchain built for financial services and real-world assets. - [Arc](https://goldrush.dev/chains/arc/): Arc is an open L1 blockchain purpose-built to unite programmable money and onchain innovation with real-world economic activity. ## Comparisons - [All comparisons](https://goldrush.dev/compare/): GoldRush against other blockchain data providers - [GoldRush vs Alchemy](https://goldrush.dev/compare/goldrush-vs-alchemy/): Decoded multichain data API vs JSON-RPC and node infrastructure. - [GoldRush vs Moralis](https://goldrush.dev/compare/goldrush-vs-moralis/): Multichain data API with x402 vs Web3 API with auth and Streams. - [GoldRush vs QuickNode](https://goldrush.dev/compare/goldrush-vs-quicknode/): Decoded multichain data API vs RPC infrastructure with marketplace add-ons. - [GoldRush vs Infura](https://goldrush.dev/compare/goldrush-vs-infura/): Decoded multichain data vs Ethereum-first JSON-RPC infrastructure. - [GoldRush vs Ankr](https://goldrush.dev/compare/goldrush-vs-ankr/): Decoded multichain data API vs decentralized RPC with Advanced APIs. - [GoldRush vs Bitquery](https://goldrush.dev/compare/goldrush-vs-bitquery/): Foundational multichain data API vs GraphQL-first onchain query platform. - [GoldRush vs The Graph](https://goldrush.dev/compare/goldrush-vs-the-graph/): API-first decoded data vs decentralized subgraph indexing. - [GoldRush vs Dune](https://goldrush.dev/compare/goldrush-vs-dune/): Production decoded-data API vs SQL analytics and the Sim API. - [GoldRush vs Allium](https://goldrush.dev/compare/goldrush-vs-allium/): Self-serve decoded-data API vs enterprise data infrastructure. - [GoldRush vs Goldsky](https://goldrush.dev/compare/goldrush-vs-goldsky/): Turnkey decoded-data API vs subgraph indexing and streaming pipelines. - [GoldRush vs CoinGecko API](https://goldrush.dev/compare/goldrush-vs-coingecko/): Onchain wallet and decoded data vs market and price data. - [GoldRush vs Zerion API](https://goldrush.dev/compare/goldrush-vs-zerion/): Decoded data across 100+ chains vs wallet and portfolio API. ## Migration guides - [All migration guides](https://goldrush.dev/migrate/): Port an existing integration to GoldRush — endpoint mappings and code, not sales pages - [Migrate from Zerion API](https://goldrush.dev/migrate/from-zerion/): Every Zerion v1 wallet endpoint, mapped to its GoldRush equivalent. 1:1 endpoint mapping with working code, plus the rows we do not cover. - [Migrate from Dune Sim](https://goldrush.dev/migrate/from-dune-sim/): Sim shut down on 1 August 2026. Here is where each endpoint goes. 1:1 endpoint mapping with working code, plus the rows we do not cover. - [Migrate from Alchemy](https://goldrush.dev/migrate/from-alchemy/): Swap POST-with-key-in-URL Data APIs for flat GET endpoints. 1:1 endpoint mapping with working code, plus the rows we do not cover. - [Migrate from DeBank Cloud](https://goldrush.dev/migrate/from-debank/): Map the /v1/user/* Pro API onto GoldRush, including what does not port. 1:1 endpoint mapping with working code, plus the rows we do not cover. ## Guides - [All guides](https://goldrush.dev/guides/): Step-by-step integration guides - [Introducing Transactions V3 APIs](https://goldrush.dev/guides/introducing-transactions-v3-apis/): transactions - [Understanding Different Types of Blockchain Transactions with Covalent](https://goldrush.dev/guides/understanding-blockchain-transactions-with-covalent/): transactions - [How to Get Bitcoin Balances and Transactions](https://goldrush.dev/guides/how-to-get-bitcoin-balances-and-transactions/): transactions - [Scaling Transactions API with Time Buckets](https://goldrush.dev/guides/scaling-transactions-time-buckets/): transactions - [How to Track Wallets or Transactions with the GoldRush API](https://goldrush.dev/guides/how-to-flag-interesting-wallets-and-or-transactions/): transactions - [How to Get All Historical Transactions in a Block](https://goldrush.dev/guides/how-to-get-all-historical-transactions-in-a-block/): transactions - [Discover Your Ethereum Gas Consumption with the GoldRush API](https://goldrush.dev/guides/ethereum-gas-consumption/): transactions - [Building Web3 Wallets (Part 7) - Multi-Chain Wallet Activity Summary](https://goldrush.dev/guides/building-web3-wallets-part-7-multi-chain-wallet-activity-summary/): transactions - [Calculate Crypto Cost Basis and Capital Gains with GoldRush](https://goldrush.dev/guides/calculate-crypto-cost-basis-and-capital-gains-with-covalent/): transactions - [Building Block Explorers (Part 1) - Multi-chain Block Transaction Explorer](https://goldrush.dev/guides/building-block-explorers-part-1-multi-chain-block-transaction-explorer/): transactions - [Comparing GoldRush's Transactions API to RPC Providers](https://goldrush.dev/guides/comparing-covalent-s-transactions-api-to-rpc-providers/): transactions - [How to Get Transaction History for an Address on Ethereum](https://goldrush.dev/guides/how-to-get-transaction-history-for-an-address-on-ethereum/): transactions - [DIY - Build Your Own Crypto Tax Calculator with Google Sheets](https://goldrush.dev/guides/diy-build-your-own-crypto-tax-calculator-with-google-sheets/): transactions - [How to Get the Earliest Transaction History for an Address on Ethereum](https://goldrush.dev/guides/how-to-get-the-earliest-transaction-history-for-an-address-on-ethereum/): transactions - [A Deep Dive Into The Architecture of RPC Nodes](https://goldrush.dev/guides/a-deep-dive-into-the-architecture-of-rpc-nodes/): transactions - [How to Fetch Onchain Gas Prices and Estimate Gas Costs](https://goldrush.dev/guides/how-to-fetch-gas-prices-and-estimate-gas-costs/): transactions - [What are Internal Transactions in Ethereum?](https://goldrush.dev/guides/what-are-internal-transactions-in-ethereum/): transactions - [How to Get the Number of Transactions in a Block](https://goldrush.dev/guides/how-to-get-the-number-of-transactions-in-a-block/): transactions - [A Guide to DeFi Taxes](https://goldrush.dev/guides/guide-to-defi-taxes/): other - [Getting Started with the GoldRush SDK](https://goldrush.dev/guides/getting-started-with-the-covalent-sdk/): other - [Understanding Merkle Patricia Tries in Ethereum](https://goldrush.dev/guides/understanding-merkle-patricia-trees-in-ethereum/): other - [What Are DAOs and How Do They Work?](https://goldrush.dev/guides/what-are-daos-and-how-do-they-work-part-1/): other - [How to Clone UniswapV2 (Frontend)](https://goldrush.dev/guides/how-to-clone-uniswapv2-frontend/): other - [Modular vs. Monolithic Blockchains](https://goldrush.dev/guides/modular-vs-monolithic-blockchains/): other - [How to Clone UniswapV2 (Backend)](https://goldrush.dev/guides/how-to-clone-uniswapv2/): other - [What are Liquid Staking Derivatives? Working Mechanisms and Case Studies](https://goldrush.dev/guides/what-are-liquid-staking-derivatives-working-mechanisms-and-case-studies/): other - [Comprehensive Guide to Bitcoin Wallet Address Lookup and Transaction Tracking](https://goldrush.dev/guides/comprehensive-guide-to-bitcoin-wallet-lookup-and-transaction-tracking/): other - [How to Resolve a Wallet Address Given an ENS Domain](https://goldrush.dev/guides/how-to-resolve-a-wallet-address-given-an-ens-domain/): other - [How to Calculate Impermanent Loss (with Examples)](https://goldrush.dev/guides/how-to-calculate-impermanent-loss-with-examples/): other - [Where Does GoldRush Fit in the Infrastructure Stack?](https://goldrush.dev/guides/where-does-covalent-fit-in-the-infrastructure-stack/): other - [How to Use ERC-4626, the Tokenized Vault Standard](https://goldrush.dev/guides/how-to-use-erc-4626-the-tokenized-vault-standard/): other - [How Do Smart Contract ABIs Work?](https://goldrush.dev/guides/how-do-smart-contract-abis-work/): other - [Erigon vs Geth: Unravelling the Dynamics of Ethereum Clients](https://goldrush.dev/guides/erigon-vs-geth-unravelling-the-dynamics-of-ethereum-clients/): other - [What are Multi-Signature Contracts and How Do They Work?](https://goldrush.dev/guides/what-are-multi-signature-contracts/): other - [What is Chain Abstraction? Simplifying Web3](https://goldrush.dev/guides/what-is-chain-abstraction-simplifying-web3/): other - [How to Access the GoldRush API Using the Viem Framework: A Comprehensive Guide](https://goldrush.dev/guides/how-to-access-the-covalent-api-using-the-viem-framework-a-comprehensive-guide/): other - [Deep Dive into Modular Blockchain Architecture: Paradigms, Layers and Technologies](https://goldrush.dev/guides/deep-dive-into-modular-blockchain-architecture-paradigms-layers-and-technologies/): other - [The Ultimate RainbowKit Integration Tutorial for Web3 Developers (Part 2)](https://goldrush.dev/guides/the-ultimate-rainbowkit-integration-tutorial-for-web3-developers-part-2/): other - [Understanding RPC Communication Protocols in Blockchain: JSON-RPC vs. gRPC](https://goldrush.dev/guides/understanding-rpc-communication-protocols-in-blockchain-json-rpc-vs-grpc/): other - [A Complete Guide to Building on Modular Blockchains](https://goldrush.dev/guides/a-complete-guide-to-building-on-modular-blockchains/): other - [How to Calculate Unrealized Profit and Loss for Your Crypto Assets](https://goldrush.dev/guides/how-to-calculate-unrealized-profit-and-loss-for-your-crypto-assets/): other - [What are Deterministic Wallets and How They Work?](https://goldrush.dev/guides/what-are-deterministic-wallets-and-how-they-work/): other - [GoldRush vs. Etherscan: A Side-by-Side Comparison](https://goldrush.dev/guides/etherscan-api-alternatives-covalent-vs-etherscan-a-side-by-side-comparison/): other - [What is an Ethereum Contract Address and How Do You Find It?](https://goldrush.dev/guides/what-is-an-ethereum-contract-address-and-how-do-you-find-it/): other - [How Layer 2 Blockchains Solve Ethereum’s Scalability Dilemma](https://goldrush.dev/guides/how-layer-2-blockchains-solve-ethereum-s-scalability-dilemma/): other - [Understanding the Role of Gwei](https://goldrush.dev/guides/understanding-gwei/): other - [What is Proto-Danksharding (EIP 4844)?](https://goldrush.dev/guides/proto-danksharding-eip-4844/): other - [AI Meets Crypto: What You Need to Know](https://goldrush.dev/guides/ai-meets-crypto-what-you-need-to-know/): other - [Vanity Addresses on the Blockchain](https://goldrush.dev/guides/vanity-addresses-on-the-blockchain/): other - [What is ERC-4626? The Tokenized Vault Standard](https://goldrush.dev/guides/what-is-erc-4626-the-tokenized-vault-standard/): other - [The Ultimate RainbowKit Integration Tutorial for Web3 Developers](https://goldrush.dev/guides/the-ultimate-rainbowkit-integration-tutorial-for-web3-developers/): other - [How to Implement a Multi-Signature Contract](https://goldrush.dev/guides/how-to-implement-a-multi-signature-contracts/): other - [What is an RPC Node, and How Does it Work?](https://goldrush.dev/guides/what-is-an-rpc-node-and-how-does-it-work/): other - [What are Ethereum Accounts? Types, Addresses, Wallets, and Security Explained](https://goldrush.dev/guides/what-are-ethereum-accounts-types-addresses-wallets-and-security-explained/): other - [Top Web3 Programming Languages](https://goldrush.dev/guides/top-web3-programming-languages/): other - [How to Read Data with JSON-RPC](https://goldrush.dev/guides/how-to-read-data-with-json-rpc/): other - [What is ERC-1363? The Payable Token Standard](https://goldrush.dev/guides/what-is-erc-1363-the-payable-token-standard/): other - [How to Implement an ERC-1363 Smart Contract](https://goldrush.dev/guides/how-to-implement-an-erc-1363-smart-contract/): other - [What Are Intent-Based Systems? How They Work and How to Use Them](https://goldrush.dev/guides/what-are-intent-based-systems-how-they-work-and-how-to-use-them/): other - [Understanding Public Key Cryptography](https://goldrush.dev/guides/understanding-public-key-cryptography/): other - [Ethereum vs. Solana for Developers: A Technical Comparison](https://goldrush.dev/guides/ethereum-vs-solana-for-developers-a-technical-comparison/): other - [Understanding Blockchain Consensus Mechanisms](https://goldrush.dev/guides/understanding-blockchain-consensus-mechanisms/): other - [What are Decentralized Identifiers (DIDs)?](https://goldrush.dev/guides/what-are-decentralized-identifiers-dids/): other - [What is a Hashing Algorithm?](https://goldrush.dev/guides/what-is-a-hashing-algorithm/): other - [How Do ZK Rollups Work? Details and Implementation](https://goldrush.dev/guides/how-do-zk-rollups-work-details-and-implementation/): other - [Optimizing Data Availability in ZK Rollups: Challenges and Innovations](https://goldrush.dev/guides/optimizing-data-availability-in-zk-rollups-challenges-and-innovations/): other - [Build a Real-Time Agent on Base with GoldRush (Part 1) — Set Up Streaming Data and Configure a Deterministic Signal](https://goldrush.dev/guides/build-a-real-time-agent-on-base-with-goldrush-part-1-set-up-streaming-data-and-co/): other - [Build a Real-Time Agent on Base with GoldRush (Part 2) — Make the Agent Profitable: Cost-Aware Execution And PnL Backfill](https://goldrush.dev/guides/build-a-real-time-agent-on-base-with-goldrush-part-2-make-the-agent-profitable-co/): other - [Anomaly Detection Dashboard on Solana by Employing the Goldrush Streaming API - (Part 1)](https://goldrush.dev/guides/anomaly-detection-on-solana-part-1/): other - [Building a Solana Memecoin Sniper Bot Using the GoldRush Streaming API - Part 1](https://goldrush.dev/guides/building-a-solana-memecoin-sniper-bot-using-the-goldrush-streaming-api-part-1/): other - [Building a Solana Memecoin Sniper Bot Using the Goldrush Streaming API - Part 2](https://goldrush.dev/guides/building-a-solana-memecoin-sniper-bot-using-the-goldrush-streaming-api-part-2/): other - [Anomaly Detection Dashboard on Solana by Employing the Goldrush Streaming API - (Part 2)](https://goldrush.dev/guides/anomaly-detection-on-solana-part-2/): other - [Solana Memecoin Sniper Bot with GoldRush API - Part 3](https://goldrush.dev/guides/building-a-solana-memecoin-sniper-bot-using-the-goldrush-streaming-api-part-3/): other - [HFT Bot on Sonic Using Goldrush Streaming API (Part 1) — Real-Time On-Chain Feeds and a Deterministic Arbitrage Signal](https://goldrush.dev/guides/hft-bot-on-sonic-using-goldrush-streaming-api-part-1-real-time-on-chain-feeds-and/): other - [Real-Time Sybil Detection on Base with GoldRush (Part 1)](https://goldrush.dev/guides/real-time-sybil-detection-on-base-with-goldrush-part-1/): other - [Real-Time Base Whale Tracking Using GoldRush Streaming API- Part 1](https://goldrush.dev/guides/real-time-base-whale-tracking-using-goldrush-streaming-api-part-1/): other - [Real-Time Base Whale Tracking Using GoldRush Streaming API- Part 2](https://goldrush.dev/guides/real-time-base-whale-tracking-using-goldrush-streaming-api-part-2/): other - [Building HFT Bot on Sonic Using Goldrush Streaming API (Part 3) — Live Execution on Sonic with Guardrails](https://goldrush.dev/guides/building-hft-bot-on-sonic-using-goldrush-streaming-api-part-3-live-execution-on-s/): other - [AI-Driven DeFi Exploit Detection with GoldRush (Part 1) — From exploit stories to real-time signals](https://goldrush.dev/guides/ai-exploit-detection-on-goldrush-part-1/): other - [Real-Time Sybil Detection On Base With GoldRush - (Part 3)](https://goldrush.dev/guides/real-time-sybil-detection-on-base-with-goldrush-part-3/): other - [Building a Paymaster Liquidity Monitor for ERC-4337 using the GoldRush API - Part 1](https://goldrush.dev/guides/building-a-paymaster-liquidity-monitor-for-erc-4337-using-the-goldrush-api-part-1/): other - [Building a Paymaster Liquidity Monitor for ERC-4337 using the GoldRush API - Part 2](https://goldrush.dev/guides/building-a-paymaster-liquidity-monitor-for-erc-4337-using-the-goldrush-api-part-2/): other - [Decoding Whales on Ethereum using GoldRush - Part 2](https://goldrush.dev/guides/decoding-whales-on-ethereum-using-goldrush-part-2/): other - [AI Driven DeFi Exploit Detection with GoldRush (Part 2) — Wallet History Capture & Anomaly Scoring](https://goldrush.dev/guides/ai-exploit-detection-on-goldrush-part-2/): other - [Decoding Whales on Ethereum using GoldRush - Part 3](https://goldrush.dev/guides/decoding-whales-on-eth-using-goldrush-part-3/): other - [Mastering PeerDAS: The Ultimate Technical Guide to Ethereum's "Fusaka" Scaling Engine](https://goldrush.dev/guides/mastering-peerdas-the-ultimate-technical-guide-to-ethereum-s-fusaka-scaling-engin/): other - [Building a Real-Time Hyperliquid Liquidation Monitor using GoldRush – Part 3](https://goldrush.dev/guides/building-a-real-time-hyperliquid-liquidation-monitor-part-3/): other - [Building a Sniper Bot on Monad using GoldRush (Part 1/ 4) — Build The Token Launch Radar](https://goldrush.dev/guides/building-a-sniper-bot-on-monad-using-goldrush-part-1/): other - [Early Warning System on Monad using GoldRush - Part 1](https://goldrush.dev/guides/liquidity-drain-alert-early-warning-system-on-monad-part-1/): other - [How to Verify NFT Ownership in a Collection](https://goldrush.dev/guides/how-to-verify-nft-ownership-in-a-collection/): nft - [Mastering the ERC-1155 Multi-Token Standard (Part 1)](https://goldrush.dev/guides/mastering-the-erc-1155-multi-token-standard-part-1/): nft - [Mastering the ERC-1155 Multi-Token Standard (Part 2)](https://goldrush.dev/guides/mastering-the-erc-1155-multi-token-standard-part-2/): nft - [How to Create an NFT Allowlist (AKA Whitelist)](https://goldrush.dev/guides/how-to-create-an-nft-allowlist/): nft - [Displaying NFT Holdings with GoldRush's NFT Endpoints](https://goldrush.dev/guides/from-wallet-to-web-displaying-nft-holdings-with-covalent-s-nft-endpoints/): nft - [EIP-2981: Implementing NFT Royalties On-Chain](https://goldrush.dev/guides/eip-2981-implementing-nft-royalties-on-chain/): nft - [How to Create Fractional NFTs: a Step-By-Step Guide](https://goldrush.dev/guides/how-to-create-fractional-nfts-a-step-by-step-guide/): nft - [How to Get NFT Owners at a Specific Block Height Using the GoldRush API](https://goldrush.dev/guides/how-to-get-nft-owners-at-a-specific-block-height-using-the-covalent-api/): nft - [A Complete Guide to EIP-6551 (ERC-6551): Token Bound Accounts](https://goldrush.dev/guides/a-complete-guide-to-erc-6551-token-bound-accounts/): nft - [What Are Dynamic NFTs and Why Do They Matter?](https://goldrush.dev/guides/what-are-dynamic-nfts-use-cases-and-examples/): nft - [What is ERC-4907? The Rental NFT Standard](https://goldrush.dev/guides/what-is-erc-4907-the-rental-nft-standard/): nft - [How to Get All NFTs for Address](https://goldrush.dev/guides/how-to-get-all-nfts-for-address/): nft - [Navigating NFT APIs: A Comprehensive Introduction](https://goldrush.dev/guides/navigating-nft-apis-a-comprehensive-introduction/): nft - [How NFCs are Bringing NFTs into the Physical World](https://goldrush.dev/guides/how-nfcs-are-bringing-nfts-into-the-physical-world/): nft - [Comparing GoldRush’s Token Balances API to RPC Providers](https://goldrush.dev/guides/comparing-covalent-token-balances-to-rpc/): balances - [How to Get Token Holder Data for ERC-20, ERC-721 and ERC-1155s](https://goldrush.dev/guides/how-to-get-token-holder-data-for-erc-20-erc-721-and-erc-1155s/): balances - [Understanding Web3 Wallets with GoldRush](https://goldrush.dev/guides/understanding-web3-wallets/): balances - [Building Web3 Wallets (Part 1) - Token Displays](https://goldrush.dev/guides/building-web3-wallets-part-1-token-displays/): balances - [How to Build a 30-Day Historical Crypto Portfolio Chart](https://goldrush.dev/guides/how-to-build-a-30-day-historic-crypto-portfolio-chart/): balances - [Building Web3 Wallets (Part 5) - Revoking Approvals for Your Wallet](https://goldrush.dev/guides/building-web3-wallets-part-5-revoking-approvals-for-your-wallet/): balances - [Building Web3 Wallets (Part 6) - Multi-chain Portfolio Tracker](https://goldrush.dev/guides/building-web3-wallets-p6-multi-chain-portfolio-tracker/): balances - [Building a Web3 Portfolio Tracker with the GoldRush API](https://goldrush.dev/guides/building-a-web3-portfolio-tracker-with-the-covalent-api/): balances - [How to Fetch User Operations (UserOps) for a Specific Wallet Address](https://goldrush.dev/guides/how-to-fetch-user-operations-userops-for-a-specific-wallet-address/): account abstraction - [Understanding Account Abstraction](https://goldrush.dev/guides/understanding-account-abstraction/): account abstraction - [Building with Account Abstraction (Part 1) - Creating Smart Contract Accounts](https://goldrush.dev/guides/building-with-account-abstraction-part-1-understanding-the-sender-field-using-sma/): account abstraction - [Building with Account Abstraction (Part 2) - Creating UserOps](https://goldrush.dev/guides/building-with-account-abstraction-part-2-creating-userops/): account abstraction - [The Ultimate Guide to Top ERC-4337 Account Abstraction SDKs](https://goldrush.dev/guides/the-ultimate-guide-to-top-erc-4337-account-abstraction-sdks/): account abstraction - [Building with Account Abstraction (Part 3) - Using the Paymaster Contract](https://goldrush.dev/guides/building-with-account-abstraction-part-3-using-the-paymaster-contract/): account abstraction - [Building with Account Abstraction (Part 4) - Paymaster User Interface](https://goldrush.dev/guides/building-with-account-abstraction-part-4-paymaster-user-interface/): account abstraction - [Building a Coin Flip Game on Ethereum (Part 2) - Deploying the Contract](https://goldrush.dev/guides/build-and-deploy-your-first-ethereum-coin-flip-game-with-hardhat-a-step-by-step-g/): account abstraction - [How Does Account Abstraction Work?](https://goldrush.dev/guides/how-does-account-abstraction-work/): account abstraction ## Solutions - [Wallets & Portfolio](https://goldrush.dev/solutions/wallets-portfolio/): Purpose-built onchain data for modern wallet and portfolio experiences. Balances, history, prices, and approvals in one production-ready API. Unified across 10… - [Crypto Tax & Accounting](https://goldrush.dev/solutions/crypto-tax-accounting/): Purpose-built onchain data for crypto tax and accounting workflows. Normalized history with internal transfers, cost basis inputs, and pricing in one productio… - [DeFi & Onchain Finance](https://goldrush.dev/solutions/defi-onchain-finance/): Purpose-built onchain data for DEXs, perps, aggregators, and yield products. Protocol positions, liquidity, pricing, and onchain events in one API. Unified acr… - [Risk & Compliance](https://goldrush.dev/solutions/risk-compliance/): Purpose-built onchain data for monitoring, risk, and compliance workflows. Address activity, traceable flows, and audit-ready history in one API. Unified acros… - [Trading & Exchanges](https://goldrush.dev/solutions/trading-exchanges/): Purpose-built onchain data for trading platforms, exchanges, and aggregators. Real-time prices, OHLCV, liquidity, and market signals in one API. Unified across… - [Analytics & Research](https://goldrush.dev/solutions/analytics-research/): Purpose-built onchain data for dashboards, research, and blockchain analysis. Wallets, transactions, transfers, prices, and protocol events in one API. Unified…