BlockReq provides RPC access to the following blockchain networks. All endpoints support standard JSON-RPC 2.0 over HTTPS and WSS.
Network Chain ID Slug Protocols Archive Client Ethereum 1 eth-mainnetHTTPS, WSS ✅ Reth + Prysm BSC (BNB Chain) 56 bsc-mainnetHTTPS, WSS ✅ BSC Reth Arbitrum One 42161 arb-mainnetHTTPS, WSS ✅ Nitro Base 8453 base-mainnetHTTPS, WSS ✅ Base Reth + Op-Node Polygon POS 137 polygon-mainnetHTTPS, WSS ✅ Erigon
Network Chain ID Slug Protocols Archive Client Ethereum Sepolia 11155111 eth-sepoliaHTTPS, WSS ✅ Reth Ethereum Hoodi 560048 eth-hoodiHTTPS, WSS ✅ Reth BSC Testnet 97 bsc-testnetHTTPS, WSS ✅ BSC Reth Arbitrum Sepolia 421614 arb-sepoliaHTTPS, WSS ✅ Nitro Base Sepolia 84532 base-sepoliaHTTPS, WSS ✅ Base Reth Polygon Amoy 80002 polygon-amoyHTTPS, WSS ✅ Erigon
Network Slug Protocol Client Ethereum Beacon eth-beaconHTTPS (REST) Prysm
Beacon Chain uses the standard Ethereum Beacon API (REST), not JSON-RPC. See the Beacon Chain API Reference for details.
All networks provide free, rate-limited public endpoints. No API key required.
Network HTTPS WSS Ethereum https://eth-mainnet.blockreq.com/v1/rpc/publicwss://eth-mainnet.blockreq.com/v1/rpc/publicBSC https://bsc-mainnet.blockreq.com/v1/rpc/publicwss://bsc-mainnet.blockreq.com/v1/rpc/publicArbitrum https://arb-mainnet.blockreq.com/v1/rpc/publicwss://arb-mainnet.blockreq.com/v1/rpc/publicBase https://base-mainnet.blockreq.com/v1/rpc/publicwss://base-mainnet.blockreq.com/v1/rpc/publicPolygon https://polygon-mainnet.blockreq.com/v1/rpc/publicwss://polygon-mainnet.blockreq.com/v1/rpc/public
Network HTTPS WSS ETH Sepolia https://eth-sepolia.blockreq.com/v1/rpc/publicwss://eth-sepolia.blockreq.com/v1/rpc/publicETH Hoodi https://eth-hoodi.blockreq.com/v1/rpc/publicwss://eth-hoodi.blockreq.com/v1/rpc/publicBSC Testnet https://bsc-testnet.blockreq.com/v1/rpc/publicwss://bsc-testnet.blockreq.com/v1/rpc/publicARB Sepolia https://arb-sepolia.blockreq.com/v1/rpc/publicwss://arb-sepolia.blockreq.com/v1/rpc/publicBase Sepolia https://base-sepolia.blockreq.com/v1/rpc/publicwss://base-sepolia.blockreq.com/v1/rpc/publicPolygon Amoy https://polygon-amoy.blockreq.com/v1/rpc/publicwss://polygon-amoy.blockreq.com/v1/rpc/public
Network HTTPS ETH Beacon https://eth-beacon.blockreq.com/v1/rpc/public
HTTPS: https://{slug}.blockreq.com/v1/rpc/public
WSS: wss://{slug}.blockreq.com/v1/rpc/public
Need higher rate limits? Create a private endpoint to get a dedicated API key.
Feature Free Starter Growth Professional Premium PAYG Enterprise HTTPS ✅ ✅ ✅ ✅ ✅ ✅ ✅ WebSocket (WSS) ✅ ✅ ✅ ✅ ✅ ✅ ✅ Archive Data ✅ ✅ ✅ ✅ ✅ ✅ ✅ debug/trace/txpool API ❌ ✅ ✅ ✅ ✅ ✅ ✅ Chains All supported networks All supported networks All supported networks All supported networks All supported networks All supported networks All supported networks Rate Limit 100 req/s 200 req/s 500 req/s 1,500 req/s 5,000 req/s 1,500 req/s Unlimited Support Community Email Email Priority Priority Email Dedicated Dedicated Nodes ❌ ❌ ❌ ❌ ❌ ❌ ✅
Note : All plans include all supported networks, Archive node access for full historical data queries, and WebSocket. The Free plan does not have access to debug_*, trace_*, or txpool_* RPC methods. See Plans & Pricing for full details.
More networks are being added. If you need a specific chain, please contact us .