# Lasso RPC

## Docs

- [Performance Benchmarking](https://docs.lasso.sh/advanced/benchmarking.md): Passive latency measurement per-chain, per-method, per-transport for intelligent provider selection
- [Block Height Monitoring](https://docs.lasso.sh/advanced/block-sync.md): Dual-strategy block height tracking with HTTP polling and WebSocket subscriptions
- [Error Classification](https://docs.lasso.sh/advanced/error-classification.md): Composable error categorization with retriability and circuit breaker penalty semantics
- [WebSocket Subscriptions](https://docs.lasso.sh/advanced/websocket-subscriptions.md): Intelligent multiplexing with automatic failover and gap-filling for blockchain event subscriptions
- [Authentication](https://docs.lasso.sh/api/authentication.md): Authentication and access control for Lasso RPC
- [Batch Requests](https://docs.lasso.sh/api/batch-requests.md): Send multiple JSON-RPC requests in a single HTTP call
- [Chain Status](https://docs.lasso.sh/api/chain-status.md): Query configured blockchain chains and their availability
- [Connection Lifecycle](https://docs.lasso.sh/api/connection-lifecycle.md): WebSocket connection management, heartbeats, timeouts, and session duration
- [Error Codes](https://docs.lasso.sh/api/error-codes.md): JSON-RPC error codes and error handling in Lasso
- [Health Check](https://docs.lasso.sh/api/health-check.md): Monitor Lasso RPC instance health and cluster status
- [HTTP Endpoints](https://docs.lasso.sh/api/http-endpoints.md): Complete reference for Lasso RPC HTTP JSON-RPC endpoints
- [Metrics API](https://docs.lasso.sh/api/metrics-api.md): Retrieve detailed performance metrics for blockchain chains
- [Response Formats](https://docs.lasso.sh/api/response-formats.md): JSON-RPC response structure and Lasso metadata format
- [Routing Strategies](https://docs.lasso.sh/api/routing-strategies.md): Learn how Lasso RPC routes requests across blockchain providers
- [Subscriptions](https://docs.lasso.sh/api/subscriptions.md): Real-time blockchain event subscriptions via WebSocket
- [Supported Methods](https://docs.lasso.sh/api/supported-methods.md): Complete reference of Ethereum JSON-RPC methods supported by Lasso
- [WebSocket Endpoints](https://docs.lasso.sh/api/websocket-endpoints.md): Connect to Lasso's WebSocket RPC endpoints for real-time blockchain subscriptions
- [Architecture](https://docs.lasso.sh/concepts/architecture.md): OTP supervision tree, geo-distributed proxy design, and multi-profile isolation
- [Circuit Breakers](https://docs.lasso.sh/concepts/circuit-breakers.md): State machine, automatic recovery, and fault tolerance configuration
- [Profiles](https://docs.lasso.sh/concepts/profiles.md): Multi-tenant routing configurations with isolated metrics and circuit breakers
- [Provider Selection](https://docs.lasso.sh/concepts/provider-selection.md): 7-stage filter pipeline for intelligent provider candidate selection
- [Routing Strategies](https://docs.lasso.sh/concepts/routing-strategies.md): Provider selection strategies: fastest, load_balanced, latency_weighted, and priority
- [Provider Capabilities](https://docs.lasso.sh/configuration/capabilities.md): Define provider limits, unsupported methods, and error classification rules
- [Environment Variables](https://docs.lasso.sh/configuration/environment-variables.md): Runtime configuration reference for Lasso RPC
- [Configuration Overview](https://docs.lasso.sh/configuration/overview.md): Learn how Lasso's profile-based configuration system works
- [Profile Configuration](https://docs.lasso.sh/configuration/profiles.md): Configure profile metadata, chain settings, and routing parameters
- [Provider Configuration](https://docs.lasso.sh/configuration/providers.md): Configure RPC providers, API keys, and routing priorities
- [Multi-Node Clustering](https://docs.lasso.sh/deployment/clustering.md): Configure Lasso RPC clustering for aggregated observability across nodes
- [Docker Deployment](https://docs.lasso.sh/deployment/docker.md): Deploy Lasso RPC using Docker with containerized releases
- [Geo-Distributed Deployment](https://docs.lasso.sh/deployment/geo-distributed.md): Deploy Lasso RPC across multiple regions for optimal global performance
- [Production Checklist](https://docs.lasso.sh/deployment/production-checklist.md): Pre-launch verification for production Lasso RPC deployments
- [Installation](https://docs.lasso.sh/installation.md): Local setup, Docker deployment, and prerequisites for running Lasso RPC
- [Introduction](https://docs.lasso.sh/introduction.md): Smart RPC aggregation for fault-tolerant and performant blockchain apps
- [LiveView Dashboard](https://docs.lasso.sh/observability/dashboard.md): Real-time observability dashboard with cluster-wide metrics and network visualization
- [Structured Logging](https://docs.lasso.sh/observability/logging.md): RequestContext, telemetry events, and TelemetryLogger for production debugging
- [Metrics & Benchmarking](https://docs.lasso.sh/observability/metrics.md): BenchmarkStore, provider leaderboards, and telemetry metrics for RPC performance tracking
- [Request Metadata](https://docs.lasso.sh/observability/request-metadata.md): Client-visible routing metadata with include_meta parameter for debugging and monitoring
- [Quickstart](https://docs.lasso.sh/quickstart.md): Get Lasso RPC running in minutes and make your first JSON-RPC request