Avail RPC Endpoints & Dedicated Nodes

Avail is a modular data layer designed to unify liquidity and scalability across blockchains. Its architecture includes a data-availability layer (availDA), a cross-ecosystem verification hub (availNexus), and a unified security layer (availFusion). By leveraging KZG polynomial commitments and data availability sampling (DAS), Avail provides trust-minimized scalability for rollups and app-chains, enabling unlimited blockspace and high-assurance security. Compatible with EVM, WASM, and custom execution environments, Avail supports real-time applications in DeFi, gaming, and large-scale dApps. Light-client verification allows users to securely verify blocks in seconds without running full nodes.

Why Use OnFinality for Avail RPC?

OnFinality provides managed Avail RPC endpoints and dedicated node hosting, giving developers reliable access to the Avail network without the overhead of running their own infrastructure. Whether you are building a wallet, DeFi protocol, analytics tool, or game, OnFinality offers:

• High-availability endpoints with HTTP and WebSocket transport.
• Archive and trace support for deep historical data queries.
• Dedicated nodes for teams needing more predictable resource planning and isolation.
• Observability with request analytics and usage monitoring.
• Scalable plans from free tier to enterprise-grade dedicated infrastructure.

Key Features of Avail RPC on OnFinality

• Network: Mainnet
• Protocol: Substrate JSON-RPC
• Transport: HTTP and WebSocket
• Advanced access: Archive, trace, dedicated nodes
• Regions: Hong Kong, N.Virginia
• Common use cases: Production dApps, wallets, DeFi products, analytics tools, games, bots, and backend services

How to Connect to Avail with OnFinality

1. Create or sign in to your OnFinality account.
2. Select Avail from the supported networks list.
3. Create an API endpoint or deploy a dedicated node.
4. Test the endpoint using the example method chain_getBlock.
5. Monitor request usage, errors, and limits before moving critical traffic.

Public vs Private Avail RPC

Public endpoints are suitable for lightweight testing, but they often lack rate limits, observability, and reliability guarantees. OnFinality's authenticated endpoints provide clearer usage limits, request analytics, and a path to higher-capacity infrastructure. For production workloads, dedicated nodes offer dedicated resources and full control.

Avail RPC and developer resources

A useful Avail RPC page should make the connection path, supported capabilities, and production planning trade-offs clear before a developer opens the dashboard.

Best fit: mainnet production workflows for Web3 products, integrations, and app backends.

What builders usually check first:

• Read blocks, storage, events, and governance or staking data from Substrate-based chains.
• Support wallets, indexers, parachain apps, collators, validators, and analytics services.
• Plan node infrastructure when the workload needs isolated resources or chain-specific operations.

Supported capability notes:

• Authenticated Avail RPC/API access for Web3 products, integrations, and app backends.
• Flexible HTTP and WebSocket access for app, backend, and integration workflows.
• Archive-capable workflows when the product needs older chain state.
• Trace-ready workflows for teams that need to inspect execution paths.
• Managed node options for workloads that outgrow shared endpoint access.

Decision notes:

• Environment: mainnet. Protocol family: Substrate JSON-RPC.
• Flexible HTTP and WebSocket access is listed for supported app and backend workflows.
• Archive support is available for historical state or older chain-data queries.
• Trace support is available for transaction debugging and execution analysis.
• Dedicated node options are available when the workload needs isolated resources or more operational control.

A quick connection check usually starts with chain_getBlock, then moves into the exact methods your wallet, dashboard, bot, indexer, or backend service needs.

Planning the next step:

• Shared RPC is usually enough for early integration, prototypes, and moderate app traffic.
• Consider dedicated nodes when traffic becomes sustained, workloads are latency-sensitive, or isolation and monitoring become operational requirements.

Next steps:

• Create or manage RPC endpoints
• Review RPC pricing
• Explore dedicated nodes
• Read the RPC provider selection guide