EVM L2 network documentation

Base RPC API reference

MainnetChain ID 845328 RPC methods

Endpoint, plans and limits: Base RPC endpoint.

HTTPS endpointhttps://triport.io/r/{key}/rpc/base
Base RPC endpointPlans, endpoints & pricing for BaseBase chain ID, RPC URL & network configIdentifiers with sources, wallet setupBest Base RPC providers comparedPrices, rate limits and features, each with its source
All Base reference pages 37

JSON-RPC

Guides & operations

Contracts

Capabilities

Statuses reflect checks up to 2026-10-10. Rate limits are plan policy, not measured capacity.

Base mainnet (chain ID 8453) JSON-RPC: POST https://triport.io/rpc/base with your key in x-token (or https://triport.io/r/{key}/rpc/base with the key in the path), scope base:rpc. WebSocket newHeads is on wss://triport.io/ws/base, and the Flashblocks feed is on wss://triport.io/ws/base-feed (Pro, address filter required).

Minimum tiers and rate values come from the enforced tier matrix. They are product policy, not measured capacity or a provider SLA.

Reference

Base Sepolia (chain ID 84532) is a separate network and is not described as Base mainnet by this reference. Cross-network fallback is prohibited.