# BlockDB Docs

> BlockDB documentation for institutional-grade blockchain data: catalog coverage, delivery options, verification, and API guides for EVM/SVM datasets.

## Docs

- [Health](https://docs.blockdb.io/api-reference/account-and-usage/health.md): Lightweight liveness check that returns API availability.
- [Account & Usage Overview](https://docs.blockdb.io/api-reference/account-and-usage/overview.md): Health check, usage, compute units, and shared account rate and CU limits.
- [Usage & Limits](https://docs.blockdb.io/api-reference/account-and-usage/usage.md): Retrieve your subscription plan, compute unit (CU) balance, billing reset time, and configured RPS limit.
- [Asset Class](https://docs.blockdb.io/api-reference/enumerations/asset-class.md): Asset class identifiers mapped to pricing endpoints.
- [Chain](https://docs.blockdb.io/api-reference/enumerations/chain.md): Supported EVM chain IDs compatible with ChainList.
- [Dataset ID](https://docs.blockdb.io/api-reference/enumerations/dataset-id.md): Dataset identifiers for BlockDB export catalogs.
- [Digital Exchange](https://docs.blockdb.io/api-reference/enumerations/digital-exchange.md): Enumerates decentralized exchange (DEX) protocol identifiers used across price feeds and pool metadata.
- [Fiat Currency](https://docs.blockdb.io/api-reference/enumerations/fiat-currency.md): Fiat codes available for quote currency conversions.
- [Market Kind](https://docs.blockdb.io/api-reference/enumerations/market-kind.md): Market classification values for centralized exchange data.
- [Enumerations Overview](https://docs.blockdb.io/api-reference/enumerations/overview.md): Reference tables for chain IDs, asset classes, exchange types, and other canonical identifiers.
- [Pool Type](https://docs.blockdb.io/api-reference/enumerations/pool-type.md): Recognized AMM pool archetypes across supported chains.
- [Arbitrage Opportunities](https://docs.blockdb.io/api-reference/evm/arbitrage/arb-opportunities.md): Query arbitrage opportunity snapshots (dataset 0901): per-hop amounts, token profit, and USD profit.
- [Arbitrage Path Status](https://docs.blockdb.io/api-reference/evm/arbitrage/arb-path-status.md): Query path active/inactive status events per path_id (dataset 0802).
- [Arbitrage Paths](https://docs.blockdb.io/api-reference/evm/arbitrage/arb-paths.md): Query arbitrage path definitions: pool UID cycle and token cycle per path_id (dataset 0801).
- [Arbitrage Overview](https://docs.blockdb.io/api-reference/evm/arbitrage/overview.md): Query arbitrage path topology, path status changes, and opportunity snapshots.
- [Pools · Fee Terms](https://docs.blockdb.io/api-reference/evm/entities/fee-terms.md): Read versioned AMM pool fee configuration (total fee and fee-split terms) for joinable pool economics.
- [Tokens & Liquidity Overview](https://docs.blockdb.io/api-reference/evm/entities/overview.md): Discover tokens and liquidity pools with standardized metadata and identifiers.
- [Pools](https://docs.blockdb.io/api-reference/evm/entities/pools.md): List AMM pools with reserves, fee tiers, and routing hints.
- [Tokens · ERC-1155](https://docs.blockdb.io/api-reference/evm/entities/tokens-erc1155.md): Discover ERC-1155 Multi Token contracts with metadata and provenance fields.
- [Tokens · ERC-20](https://docs.blockdb.io/api-reference/evm/entities/tokens-erc20.md): Discover ERC-20 tokens with metadata, supply, and compliance fields.
- [Tokens · ERC-721](https://docs.blockdb.io/api-reference/evm/entities/tokens-erc721.md): Discover ERC-721 (NFT) token collections with metadata and provenance fields.
- [Flash Loan Prints](https://docs.blockdb.io/api-reference/evm/flash-loans/flash-loan-prints.md): Read flash loan borrow/repay events (dataset 0305) with raw amounts, fee rate, and pool or vault attribution.
- [Flash Loans Overview](https://docs.blockdb.io/api-reference/evm/flash-loans/overview.md): Query flash loan borrow and repay prints across DEX pools and vault-level sources.
- [Lineage Overview](https://docs.blockdb.io/api-reference/evm/lineage/overview.md): Understand lineage traversal patterns before hitting record endpoints.
- [Lineage Parents](https://docs.blockdb.io/api-reference/evm/lineage/parents.md): Traverse upstream dependencies for any traced record.
- [Lineage Record](https://docs.blockdb.io/api-reference/evm/lineage/record.md): Fetch canonical records directly by tracing identifier.
- [Endpoints Overview](https://docs.blockdb.io/api-reference/evm/overview.md): Index of BlockDB EVM REST endpoints, paths, and dataset IDs.
- [Pricing Suite · Crypto Overview](https://docs.blockdb.io/api-reference/evm/prices/crypto/overview.md): Swap prints, OHLC bars, and VWAP windows for ERC-20 pairs on EVM chains.
- [Prices · Spot OHLC](https://docs.blockdb.io/api-reference/evm/prices/crypto/prices-spot-ohlc.md): Pull OHLC bars synthesized from liquidity-weighted spot prices.
- [Prices · Spot Prints](https://docs.blockdb.io/api-reference/evm/prices/crypto/prices-spot-prints.md): Retrieve executed swap prints (realized token_in → token_out price & sizes) from on-chain swap events.
- [Prices · VWAP](https://docs.blockdb.io/api-reference/evm/prices/crypto/prices-spot-vwap.md): Compute VWAP windows across specified asset-class pairs.
- [Pricing Suite · Fiat Overview](https://docs.blockdb.io/api-reference/evm/prices/fiat/overview.md): Token-to-USD VWAP in fixed time buckets.
- [Prices · VWAP (Fiat)](https://docs.blockdb.io/api-reference/evm/prices/fiat/prices-spot-vwap-fiat.md): Compute fiat-denominated VWAP windows across specified asset pairs.
- [Blocks](https://docs.blockdb.io/api-reference/evm/primitives/blocks.md): Retrieve canonical EVM blocks with provenance and integrity metadata.
- [Blocks Summary](https://docs.blockdb.io/api-reference/evm/primitives/blocks-summary.md): Aggregate throughput, fee, and usage metrics over block or time ranges.
- [Contracts](https://docs.blockdb.io/api-reference/evm/primitives/contracts.md): Access canonical contract metadata and deployment info for smart contracts discovered via CREATE/CREATE2 internal transactions.
- [Function Results](https://docs.blockdb.io/api-reference/evm/primitives/function-results.md): Read cached function execution outputs enriched with traces and gas usage.
- [Internal Transactions](https://docs.blockdb.io/api-reference/evm/primitives/internal-transactions.md): Query internal transactions (call traces) from debug_traceTransaction with call type, value, gas, and revert data.
- [Logs](https://docs.blockdb.io/api-reference/evm/primitives/logs.md): Query decoded EVM log events with flexible topic filters.
- [Raw Data Overview](https://docs.blockdb.io/api-reference/evm/primitives/overview.md): Access canonical blockchain primitives: blocks, transactions, logs, contracts, and function results.
- [Transactions](https://docs.blockdb.io/api-reference/evm/primitives/transactions.md): Filter canonical transactions with execution metadata and gas accounting.
- [Pools Reserves Overview](https://docs.blockdb.io/api-reference/evm/reserves/overview.md): Access normalized pool reserve snapshots for on-chain liquidity analytics and time-series analysis.
- [Reserves](https://docs.blockdb.io/api-reference/evm/reserves/reserves.md): Read normalized pool reserve snapshots for on-chain liquidity analytics.
- [JSON-RPC Example](https://docs.blockdb.io/api-reference/evm/rpc/example.md): Detailed example of executing a standard Ethereum JSON-RPC method through BlockDB.
- [JSON-RPC Overview](https://docs.blockdb.io/api-reference/evm/rpc/overview.md): Use BlockDB as an EVM JSON-RPC endpoint compatible with standard Ethereum execution-client methods.
- [Swaps Overview](https://docs.blockdb.io/api-reference/evm/swaps/overview.md): Access per-swap fee accounting for pool economics, revenue attribution, and yield modeling.
- [Swap Fees](https://docs.blockdb.io/api-reference/evm/swaps/swap-fees.md): Read per-swap fee accounting (executed sizes + computed fee amounts) for pool economics and yield modeling.
- [Transfers Overview](https://docs.blockdb.io/api-reference/evm/transfers/overview.md): Query all token transfer events — native ETH, ERC-20, ERC-721, and ERC-1155 — in a single unified endpoint.
- [Token Transfers](https://docs.blockdb.io/api-reference/evm/transfers/token-transfers.md): Query token transfer events (native ETH, ERC-20, ERC-721, ERC-1155) from transactions, internal transactions, and transfer logs.
- [TVL Overview](https://docs.blockdb.io/api-reference/evm/tvl/overview.md): Access Total Value Locked (TVL) snapshots in USD for liquidity pools across chains.
- [TVL USD](https://docs.blockdb.io/api-reference/evm/tvl/tvl-usd.md): Read pool Total Value Locked (TVL) snapshots in USD.
- [Verification Overview](https://docs.blockdb.io/api-reference/evm/verification/overview.md): Stateless utilities for recomputing Ethereum integrity artifacts.
- [Verify Logs Bloom](https://docs.blockdb.io/api-reference/evm/verification/verify-logs-bloom.md): Regenerate logs bloom filters for targeted reconciliations.
- [Verify Receipt Root](https://docs.blockdb.io/api-reference/evm/verification/verify-receipt-root.md): Recompute and compare canonical receipt trie roots.
- [Yields Overview](https://docs.blockdb.io/api-reference/evm/yields/overview.md): Access rolling pool yield/ROI predictions across fixed horizons for pool allocation and performance analysis.
- [Yields](https://docs.blockdb.io/api-reference/evm/yields/yields.md): Read rolling pool yield/ROI predictions across fixed horizons, derived from swap fees and current reserves.
- [Authorization](https://docs.blockdb.io/api-reference/overview/authorization.md): API keys, the BlockDB dashboard, and how to send credentials on every request.
- [Compute Units](https://docs.blockdb.io/api-reference/overview/compute-units.md): API pricing based on Compute Units (CU): pay only for what you use, proportional to computational complexity.
- [Error Codes](https://docs.blockdb.io/api-reference/overview/error-codes.md): Complete reference of API error codes, meanings, and resolution strategies.
- [Introduction](https://docs.blockdb.io/api-reference/overview/home.md): Overview of the BlockDB Historic REST API — authentication, pagination, compute units, and onboarding for EVM blockchain data.
- [LLM Onboarding](https://docs.blockdb.io/api-reference/overview/llm-onboarding.md): LLM-friendly instructions for querying BlockDB REST endpoints safely (auth, pagination, limits, and deterministic filters).
- [Pagination & Limits](https://docs.blockdb.io/api-reference/overview/pagination-and-limits.md): Recommended pagination defaults to keep responses under ~10 MB.
- [Rate Limiting](https://docs.blockdb.io/api-reference/overview/rate-limiting.md): Account-wide RPS and shared compute units across API keys, 429 handling, and backoff strategies.
- [.NET SDK](https://docs.blockdb.io/api-reference/sdks/dotnet.md): Official BlockDB SDK for .NET 10+ — install from NuGet, configure with an API key, and call any EVM endpoint with full async and DI support.
- [SDKs Overview](https://docs.blockdb.io/api-reference/sdks/home.md): Official BlockDB SDKs for .NET, Python, and JavaScript/TypeScript — install, authenticate, and call the API with minimal code.
- [JavaScript / TypeScript SDK](https://docs.blockdb.io/api-reference/sdks/javascript.md): Official BlockDB SDK for Node.js and browsers — install from npm, full TypeScript types, async generators for pagination, and API key authentication.
- [Python SDK](https://docs.blockdb.io/api-reference/sdks/python.md): Official BlockDB SDK for Python — install from PyPI, async-first with a sync wrapper, API key auth and cursor-based pagination built in.
- [Arbitrage Opportunities](https://docs.blockdb.io/data-catalog/evm/arbitrage/arb-opportunities.md): Estimated arbitrage profit and token amounts per path at a given on-chain position.
- [Arbitrage Paths](https://docs.blockdb.io/data-catalog/evm/arbitrage/arb-paths.md): Arbitrage cycle topology and per-path active/inactive status events.
- [Dataset Index](https://docs.blockdb.io/data-catalog/evm/dataset-index.md): Quick reference index for all BlockDB EVM datasets — SQL table names, dataset IDs, and REST API identifiers.
- [ERC-1155 Tokens](https://docs.blockdb.io/data-catalog/evm/entities/erc1155-tokens.md): ERC-1155 multi-token contract registry — URI, ERC-165 detection, gaming assets. Ethereum & EVM chains. REST API.
- [ERC-20 Tokens](https://docs.blockdb.io/data-catalog/evm/entities/erc20-tokens.md): Production-grade ERC-20 token registry with name, symbol & decimals verified across 10 EVM chains. REST API and bulk export.
- [ERC-721 Tokens](https://docs.blockdb.io/data-catalog/evm/entities/erc721-tokens.md): Complete NFT collection registry for Ethereum & EVM chains — ERC-721 metadata, ERC-165 detection. REST API and bulk export.
- [Liquidity Pools](https://docs.blockdb.io/data-catalog/evm/entities/liquidity-pools.md): Canonical AMM liquidity pool registry — exchange, factory, token pairs, config. 10 EVM chains. REST API and bulk export.
- [Liquidity Pool Fee Terms](https://docs.blockdb.io/data-catalog/evm/entities/liquidity-pools-fee-terms.md): Time-versioned AMM pool fee configuration — LP, protocol & extra splits. Ethereum & EVM chains. REST API.
- [Flash Loan Prints](https://docs.blockdb.io/data-catalog/evm/flash-loans/flash-loan-prints.md): Flash loan borrow and repay events across Uniswap-style and Balancer Vault sources.
- [Token-to-Fiat VWAP (USD)](https://docs.blockdb.io/data-catalog/evm/prices/token-to-fiat-vwap.md): Token-to-USD volume-weighted average price in fixed time buckets, derived from cross-pool token-to-token VWAP via stablecoin anchoring.
- [Token-to-Token Prices OHLC](https://docs.blockdb.io/data-catalog/evm/prices/token-to-token-prices-ohlc.md): Onchain OHLCV bars (1 min-1 day) from AMM swap events. Direction-consistent across 10 EVM chains.
- [Token-to-Token Prices Swap Prints](https://docs.blockdb.io/data-catalog/evm/prices/token-to-token-prices-swap-prints.md): Onchain swap execution prices — realized token_in → token_out price & sizes per swap event. 10 EVM chains.
- [Token-to-Token VWAP](https://docs.blockdb.io/data-catalog/evm/prices/token-to-token-vwap.md): Volume-weighted average cryptocurrency prices (1 min-1 day) from on-chain AMM swaps. 10 EVM chains.
- [Blocks](https://docs.blockdb.io/data-catalog/evm/primitives/blocks.md): Complete Ethereum & EVM block header data via REST API — block hash, gas, miner, timestamps. Historical and real-time, 10 chains.
- [Contracts](https://docs.blockdb.io/data-catalog/evm/primitives/contracts.md): Canonical smart contract deployment registry for Ethereum & EVM — CREATE/CREATE2 discovery, deployer address, block. REST API.
- [Function Results](https://docs.blockdb.io/data-catalog/evm/primitives/function-results.md): Block-versioned on-chain view function outputs — token metadata, oracle values. Time-travel queries over any contract state.
- [Internal Transactions](https://docs.blockdb.io/data-catalog/evm/primitives/internal-transactions.md): Full EVM call-trace data — internal ETH transfers, CREATE/DELEGATECALL, MEV path reconstruction. 10 chains, REST API.
- [Logs](https://docs.blockdb.io/data-catalog/evm/primitives/logs.md): Every smart contract event log across Ethereum & EVM chains — RLP-verified. The source for DeFi, NFT, and token analytics.
- [Transactions](https://docs.blockdb.io/data-catalog/evm/primitives/transactions.md): Full EVM transaction data — sender, gas, calldata, EIP-1559 fields. Historical and real-time across 10 chains via REST API.
- [Liquidity Pool Reserves](https://docs.blockdb.io/data-catalog/evm/reserves/liquidity-pools-reserves.md): AMM reserve snapshots — sqrt price, current tick, token balances, optional tick/bin detail rows.
- [Liquidity Pool Swap Fees](https://docs.blockdb.io/data-catalog/evm/swaps/liquidity-pools-swap-fees.md): Per-swap fee accounting with LP, protocol & extra-destination splits. Historical & real-time across 10 EVM chains.
- [Token Transfers](https://docs.blockdb.io/data-catalog/evm/transfers/token-transfers.md): Unified ERC-20, ERC-721, ERC-1155 & native ETH transfers in one table. Deterministic tracing IDs, 10 EVM chains.
- [Liquidity Pool TVL USD](https://docs.blockdb.io/data-catalog/evm/tvl/liquidity-pools-tvl-usd.md): Tick-resolution USD TVL for every AMM pool — derived from onchain reserves & BlockDB prices. 10 EVM chains.
- [Liquidity Pool Yields](https://docs.blockdb.io/data-catalog/evm/yields/liquidity-pools-yields.md): Predicted LP yield & APY per AMM pool across 7 time horizons — derived from onchain swap fees. 10 EVM chains.
- [SLAs](https://docs.blockdb.io/data-catalog/overview/access-and-sla.md): Availability targets, access controls, and support expectations for the catalog.
- [Coverage](https://docs.blockdb.io/data-catalog/overview/coverage.md): Chains, networks, and DEX protocols currently represented in the BlockDB catalog.
- [Freshness](https://docs.blockdb.io/data-catalog/overview/data-freshness.md): Latency targets and validation routines for keeping datasets current.
- [Granularity](https://docs.blockdb.io/data-catalog/overview/data-granularity.md): How BlockDB's data granularity enables tick-by-tick prices and full tick range reconstruction for concentrated liquidity protocols.
- [Lineage](https://docs.blockdb.io/data-catalog/overview/data-lineage.md): How BlockDB ties derived rows back to on-chain events using stable identifiers and coordinates.
- [Verification](https://docs.blockdb.io/data-catalog/overview/data-verification.md): Verification processes that guarantee integrity across BlockDB's public datasets.
- [Delivery](https://docs.blockdb.io/data-catalog/overview/delivery.md): Available channels for accessing and synchronizing BlockDB datasets.
- [Overview](https://docs.blockdb.io/data-catalog/overview/introduction.md): BlockDB data catalog — complete schema reference for EVM blockchain datasets: blocks, transactions, prices, DeFi, and transfers.
- [Schema Governance](https://docs.blockdb.io/data-catalog/overview/schema-governance.md): How BlockDB versions SQL assets and communicates breaking or additive changes.
- [Overview](https://docs.blockdb.io/data-catalog/svm/overview.md): Guide to Solana Virtual Machine datasets, catalog structure, and delivery options.
- [Home](https://docs.blockdb.io/index.md): BlockDB Documentation Hub — quality DeFi data: verifiable, real-time, complete.
- [Pricing Plans](https://docs.blockdb.io/pricing/home.md): BlockDB pricing — CU-based pay-as-you-go API plans and flat-rate real-time WebSocket subscriptions for EVM blockchain data.
- [Release Notes](https://docs.blockdb.io/release-notes/home.md): Changelog of BlockDB product updates, data coverage additions, and API changes.
- [API Error Codes](https://docs.blockdb.io/troubleshooting/error-codes/api/home.md): HTTP statuses and error bodies returned by BlockDB REST endpoints.
- [Error Codes Overview](https://docs.blockdb.io/troubleshooting/error-codes/home.md): Common BlockDB error categories and where to find specific codes.
- [SFTP Error Codes](https://docs.blockdb.io/troubleshooting/error-codes/sftp/home.md): Authentication and transfer diagnostics for archive delivery via SFTP.
- [WSS Error Codes](https://docs.blockdb.io/troubleshooting/error-codes/wss/home.md): WebSocket close codes and connection troubleshooting for BlockDB streams.
- [Support Hub](https://docs.blockdb.io/troubleshooting/home.md): Central place for troubleshooting, FAQs, and getting help with BlockDB.
- [Raising a Support Ticket](https://docs.blockdb.io/troubleshooting/raising-a-support-ticket.md): How to submit effective BlockDB support tickets for faster resolution.
- [Runbook · API Authentication Failures](https://docs.blockdb.io/troubleshooting/runbooks/api-authentication-failures.md): Step-by-step recovery for 401/403 and API key access issues.
- [Runbook · Archive Delivery Failures](https://docs.blockdb.io/troubleshooting/runbooks/archive-delivery-failures.md): Resolve SFTP and warehouse share issues for bulk datasets.
- [Runbook · WSS Connection Issues](https://docs.blockdb.io/troubleshooting/runbooks/wss-connection-issues.md): Stabilize WebSocket connections and interpret close codes.
- [Service Limits](https://docs.blockdb.io/troubleshooting/service-limits/home.md): Default rate limits and payload constraints; how to request increases.
- [First-day FAQs](https://docs.blockdb.io/user-guide/about-blockdb/first-day-faqs.md): Answers to the most common onboarding questions: access, authentication, limits, and support.
- [Quick Start Guide](https://docs.blockdb.io/user-guide/about-blockdb/quick-start-guide.md): Get started with BlockDB in minutes — connect, authenticate, run your first onchain data query, and verify lineage.
- [What is BlockDB?](https://docs.blockdb.io/user-guide/about-blockdb/what-is-blockdb.md): BlockDB delivers verifiable, real-time onchain data for quant funds and AI teams. EVM/SVM datasets, delivery options, and traceable row identifiers.
- [Amazon Redshift Share](https://docs.blockdb.io/user-guide/archive-delivery/amazon-redshift-share.md): Access BlockDB blockchain archives via Redshift Serverless data sharing — no file handling or ETL required.
- [Amazon S3 Archive Delivery](https://docs.blockdb.io/user-guide/archive-delivery/amazon-s3.md): BlockDB writes EVM blockchain dataset exports directly to your S3 bucket — scheduled, partitioned, and lifecycle-controlled.
- [Azure Blob Archive Delivery](https://docs.blockdb.io/user-guide/archive-delivery/azure-blob-storage.md): Receive BlockDB EVM blockchain datasets through ADLS Gen2 containers secured with service principals — partitioned, lifecycle-managed.
- [Databricks Delta Share](https://docs.blockdb.io/user-guide/archive-delivery/databricks-delta-share.md): Consume BlockDB blockchain datasets natively in Delta format via Databricks Unity Catalog — no ETL or file handling required.
- [Google BigQuery Archive Delivery](https://docs.blockdb.io/user-guide/archive-delivery/google-bigquery.md): Access BlockDB EVM blockchain datasets in Google BigQuery via Authorized Views or scheduled Transfer Service loads — no ETL required.
- [Introduction](https://docs.blockdb.io/user-guide/archive-delivery/introduction.md): Bootstrap your warehouse with BlockDB's historical exports before enabling live feeds.
- [MCP](https://docs.blockdb.io/user-guide/archive-delivery/mcp.md): BlockDB MCP integration — let autonomous AI agents request live EVM blockchain data via secure MCP sessions. LLM-ready onchain data.
- [REST API](https://docs.blockdb.io/user-guide/archive-delivery/rest-api.md): BlockDB Historic REST API — cursor-based, pull-based blockchain data delivery for EVM datasets. Low-latency and paginated.
- [SFTP Archive Delivery](https://docs.blockdb.io/user-guide/archive-delivery/sftp.md): BlockDB delivers nightly EVM blockchain dataset snapshots via managed SFTP — fast historical backfills, no cloud infrastructure required.
- [Snowflake Share](https://docs.blockdb.io/user-guide/archive-delivery/snowflake-share.md): Access BlockDB blockchain datasets natively in Snowflake via Secure Data Sharing — no ETL required, CDC streams available.
- [Introduction](https://docs.blockdb.io/user-guide/real-time-delivery/introduction.md): Keep BlockDB datasets current with incremental feeds and verification hooks.
- [Protobuf](https://docs.blockdb.io/user-guide/real-time-delivery/protobuf.md): Binary-encoded WebSocket streams using Protocol Buffers — available on request for latency-critical and high-frequency trading applications.
- [WebSocket](https://docs.blockdb.io/user-guide/real-time-delivery/websocket.md): Push-based blockchain data streams via WebSocket — EVM blocks, logs, liquidity & pricing events with sub-150 ms latency.
- [Arbitrage Opportunities](https://docs.blockdb.io/wss-reference/evm/arbitrage/arb-opportunities.md): Subscribe to arbitrage opportunity snapshots (per-path profit estimates at on-chain positions).
- [Arbitrage Path Status](https://docs.blockdb.io/wss-reference/evm/arbitrage/arb-path-status.md): Subscribe to path active/inactive status events.
- [Arbitrage Paths](https://docs.blockdb.io/wss-reference/evm/arbitrage/arb-paths.md): Subscribe to new arbitrage path definitions (cycle topology).
- [Arbitrage Overview](https://docs.blockdb.io/wss-reference/evm/arbitrage/overview.md): WebSocket streams for arbitrage paths, status, and opportunities.
- [Pool Fee Terms](https://docs.blockdb.io/wss-reference/evm/entities/fee-terms.md): Subscribe to real-time updates for AMM pool fee configurations.
- [Tokens & Liquidity Streams Overview](https://docs.blockdb.io/wss-reference/evm/entities/overview.md): Subscribe to real-time updates for tokens and liquidity pools metadata.
- [AMM Pools](https://docs.blockdb.io/wss-reference/evm/entities/pools.md): Subscribe to real-time notifications for new AMM pool deployments.
- [ERC-1155 Tokens](https://docs.blockdb.io/wss-reference/evm/entities/tokens-erc1155.md): Subscribe to real-time ERC-1155 multi-token contract registry updates.
- [ERC-20 Tokens](https://docs.blockdb.io/wss-reference/evm/entities/tokens-erc20.md): Subscribe to real-time notifications for new ERC-20 token registrations.
- [ERC-721 Tokens](https://docs.blockdb.io/wss-reference/evm/entities/tokens-erc721.md): Subscribe to real-time ERC-721 collection registry updates.
- [Flash Loan Prints](https://docs.blockdb.io/wss-reference/evm/flash-loans/flash-loan-prints.md): Subscribe to flash loan borrow/repay events.
- [Flash Loans Overview](https://docs.blockdb.io/wss-reference/evm/flash-loans/overview.md): WebSocket stream for flash loan prints.
- [Streams Overview](https://docs.blockdb.io/wss-reference/evm/overview.md): Index of BlockDB WebSocket (WSS) streams for real-time EVM data.
- [Pricing Suite (Crypto) Streams Overview](https://docs.blockdb.io/wss-reference/evm/prices/crypto/overview.md): WebSocket streams for swap prints, OHLC, and VWAP.
- [Spot OHLC](https://docs.blockdb.io/wss-reference/evm/prices/crypto/prices-spot-ohlc.md): Subscribe to real-time OHLC candlestick bars from on-chain AMM swap aggregates (`0404`).
- [Spot Prints](https://docs.blockdb.io/wss-reference/evm/prices/crypto/prices-spot-prints.md): Subscribe to real-time realized swap prices and execution sizes.
- [Spot VWAP](https://docs.blockdb.io/wss-reference/evm/prices/crypto/prices-spot-vwap.md): Subscribe to real-time volume-weighted average price (VWAP) updates.
- [Pricing Suite (Fiat) Streams Overview](https://docs.blockdb.io/wss-reference/evm/prices/fiat/overview.md): WebSocket stream for token-to-USD VWAP.
- [Spot VWAP (Fiat)](https://docs.blockdb.io/wss-reference/evm/prices/fiat/prices-spot-vwap-fiat.md): Subscribe to real-time fiat-denominated volume-weighted average price (VWAP) updates.
- [Blocks](https://docs.blockdb.io/wss-reference/evm/primitives/blocks.md): Subscribe to real-time canonical EVM block headers and integrity metadata.
- [Contracts](https://docs.blockdb.io/wss-reference/evm/primitives/contracts.md): Subscribe to real-time contract deployment notifications and metadata.
- [Function Results](https://docs.blockdb.io/wss-reference/evm/primitives/function-results.md): Subscribe to real-time cached function execution outputs enriched with traces and gas usage.
- [Internal Transactions](https://docs.blockdb.io/wss-reference/evm/primitives/internal-transactions.md): Subscribe to real-time internal transaction (call trace) updates.
- [Logs](https://docs.blockdb.io/wss-reference/evm/primitives/logs.md): Subscribe to real-time decoded EVM log events with flexible topic filters.
- [Raw Data Streams Overview](https://docs.blockdb.io/wss-reference/evm/primitives/overview.md): Subscribe to canonical blockchain primitives in real-time: blocks, transactions, logs, and more.
- [Transactions](https://docs.blockdb.io/wss-reference/evm/primitives/transactions.md): Subscribe to real-time canonical transactions with execution metadata and gas accounting.
- [Pools Reserves Streams Overview](https://docs.blockdb.io/wss-reference/evm/reserves/overview.md): Subscribe to real-time normalized pool reserve snapshots.
- [Reserves](https://docs.blockdb.io/wss-reference/evm/reserves/reserves.md): Subscribe to real-time normalized pool reserve snapshots.
- [Swaps Streams Overview](https://docs.blockdb.io/wss-reference/evm/swaps/overview.md): Subscribe to real-time per-swap fee accounting events.
- [Swap Fees](https://docs.blockdb.io/wss-reference/evm/swaps/swap-fees.md): Subscribe to real-time per-swap fee accounting for pool economics and yield modeling.
- [Transfers Overview](https://docs.blockdb.io/wss-reference/evm/transfers/overview.md): WebSocket streams for token transfer events.
- [Token Transfers](https://docs.blockdb.io/wss-reference/evm/transfers/token-transfers.md): Subscribe to real-time token transfer events.
- [TVL Overview](https://docs.blockdb.io/wss-reference/evm/tvl/overview.md): WebSocket stream for pool TVL (USD) snapshots.
- [TVL USD](https://docs.blockdb.io/wss-reference/evm/tvl/tvl-usd.md): Subscribe to real-time pool TVL snapshots in USD.
- [Yields Streams Overview](https://docs.blockdb.io/wss-reference/evm/yields/overview.md): Subscribe to real-time rolling pool yield and ROI predictions.
- [Yields](https://docs.blockdb.io/wss-reference/evm/yields/yields.md): Subscribe to real-time rolling pool yield and ROI predictions.
- [Connection Management](https://docs.blockdb.io/wss-reference/overview/connection-management.md): Heartbeats, timeouts, reconnection, and backpressure best practices for BlockDB WSS clients.
- [Errors](https://docs.blockdb.io/wss-reference/overview/errors.md): Error responses and WebSocket close codes for BlockDB WSS streams.
- [Introduction](https://docs.blockdb.io/wss-reference/overview/introduction.md): Protocol details for BlockDB's WebSocket (WSS) feed: authentication, subscription lifecycle, and reliability.
- [Quickstart](https://docs.blockdb.io/wss-reference/overview/quickstart.md): Connect, subscribe, receive updates, and unsubscribe from BlockDB WSS streams in minutes.
- [Reliability & Reorgs](https://docs.blockdb.io/wss-reference/overview/reliability-and-reorgs.md): Ordering guarantees, deduplication, and how to handle EVM chain reorganizations in BlockDB WSS streams.

## AsyncAPI Specs

- [yields](https://docs.blockdb.io/specs/wss/evm/yields/yields.yaml)
- [tvl-usd](https://docs.blockdb.io/specs/wss/evm/tvl/tvl-usd.yaml)
- [token-transfers](https://docs.blockdb.io/specs/wss/evm/transfers/token-transfers.yaml)
- [swap-fees](https://docs.blockdb.io/specs/wss/evm/swaps/swap-fees.yaml)
- [reserves](https://docs.blockdb.io/specs/wss/evm/reserves/reserves.yaml)
- [transactions](https://docs.blockdb.io/specs/wss/evm/primitives/transactions.yaml)
- [logs](https://docs.blockdb.io/specs/wss/evm/primitives/logs.yaml)
- [internal-transactions](https://docs.blockdb.io/specs/wss/evm/primitives/internal-transactions.yaml)
- [function-results](https://docs.blockdb.io/specs/wss/evm/primitives/function-results.yaml)
- [contracts](https://docs.blockdb.io/specs/wss/evm/primitives/contracts.yaml)
- [blocks](https://docs.blockdb.io/specs/wss/evm/primitives/blocks.yaml)
- [prices-spot-vwap-fiat](https://docs.blockdb.io/specs/wss/evm/prices/fiat/prices-spot-vwap-fiat.yaml)
- [prices-spot-vwap](https://docs.blockdb.io/specs/wss/evm/prices/crypto/prices-spot-vwap.yaml)
- [prices-spot-prints](https://docs.blockdb.io/specs/wss/evm/prices/crypto/prices-spot-prints.yaml)
- [prices-spot-ohlc](https://docs.blockdb.io/specs/wss/evm/prices/crypto/prices-spot-ohlc.yaml)
- [flash-loan-prints](https://docs.blockdb.io/specs/wss/evm/flash-loans/flash-loan-prints.yaml)
- [tokens-erc721](https://docs.blockdb.io/specs/wss/evm/entities/tokens-erc721.yaml)
- [tokens-erc20](https://docs.blockdb.io/specs/wss/evm/entities/tokens-erc20.yaml)
- [tokens-erc1155](https://docs.blockdb.io/specs/wss/evm/entities/tokens-erc1155.yaml)
- [pools](https://docs.blockdb.io/specs/wss/evm/entities/pools.yaml)
- [fee-terms](https://docs.blockdb.io/specs/wss/evm/entities/fee-terms.yaml)
- [arb-paths](https://docs.blockdb.io/specs/wss/evm/arbitrage/arb-paths.yaml)
- [arb-path-status](https://docs.blockdb.io/specs/wss/evm/arbitrage/arb-path-status.yaml)
- [arb-opportunities](https://docs.blockdb.io/specs/wss/evm/arbitrage/arb-opportunities.yaml)
- [prices-spot-ohlc-fiat](https://docs.blockdb.io/specs/wss/evm/prices/fiat/prices-spot-ohlc-fiat.yaml)
- [prices-spot-lwap](https://docs.blockdb.io/specs/wss/evm/prices/crypto/prices-spot-lwap.yaml)
- [prices-spot-impact-grid](https://docs.blockdb.io/specs/wss/evm/prices/crypto/prices-spot-impact-grid.yaml)
- [prices-spot-depth](https://docs.blockdb.io/specs/wss/evm/prices/crypto/prices-spot-depth.yaml)