{"slug":"zksync-rpc","title":"zkSync Era RPC endpoints: free public URLs by latency","subtitle":"HTTP round-trip latency for eth_getBlockByNumber against every free, no-key public zkSync Era RPC endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":117.038,"leader":{"name":"dRPC","slug":"drpc","value":117.038},"leaders":[{"name":"dRPC","slug":"drpc","value":117.038}],"rankings":[{"name":"dRPC","slug":"drpc","ms":{"p50":117.038,"p90":158.011,"p99":761.585,"mean":145.246},"successRate":99.4443,"sampleSize":4319.87},{"name":"zkSync","slug":"zksync-official","ms":{"p50":133.185,"p90":146.293,"p99":502.788,"mean":145.82},"successRate":99.722,"sampleSize":4317.87},{"name":"Tenderly","slug":"tenderly","ms":{"p50":156.358,"p90":164.203,"p99":191.78,"mean":157.963},"successRate":100,"sampleSize":4320.87}],"sparkline":[115.291,115.287,115.92,119.2,119.463,119.79,118.451,118.683,119.27,119.888,120.788,119.623,119.95,120.115,123.202,123.905,125.219,124.198,123.815,121.904,122.755,123.428,125.745,126.038,126.862,129.972,129.44,129.564,125.877,125.756,123.428,121.436,120.622,120.602,121.168,120.158,120.538,120.157,119.75,119.932,120.471,120.984,120.993,120.646,119.174,116.84,118.397,119.352,120.354,124.436,133.841,152.534,166.13,175.856,187.47,187.675,187.831,173.957,178.444,181.586,204.104,224.02,222.221,216.764,196.837,196.853,200.78,186.868,190.098,184.531,209.556,215.524,215.638],"sampleSize":12958.61,"asOf":"2026-10-06T08:32:20.432Z","freshness":{"asOf":"2026-10-06T08:32:20.432Z","ageHours":0.1,"stale":false},"measured":3,"ranked":3,"headline":"dRPC has the lowest median latency of the 3 free public zkSync Era RPC endpoints measured, 117 ms (p50, 24h, 3 regions).","quote":"dRPC has the lowest median latency of the 3 free public zkSync Era RPC endpoints measured, 117 ms (p50, 24h, 3 regions). Source: OpenChainBench (https://openchainbench.com/benchmarks/zksync-rpc).","cite":{"plain":"OpenChainBench. \"zkSync Era RPC endpoints: free public URLs by latency\". Retrieved 2026-10-06. https://openchainbench.com/benchmarks/zksync-rpc","bibtex":"@misc{ocb_zksync_rpc,\n  author = {OpenChainBench},\n  title  = {zkSync Era RPC endpoints: free public URLs by latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/zksync-rpc},\n  note   = {Retrieved 2026-10-06}\n}","apa":"OpenChainBench. (2026). zkSync Era RPC endpoints: free public URLs by latency. Retrieved October 6, 2026, from https://openchainbench.com/benchmarks/zksync-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - zkSync Era RPC endpoints: free public URLs by latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/zksync-rpc\r\nY2  - 2026-10-06\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/zksync-rpc","ogImage":"https://openchainbench.com/api/og/zksync-rpc","source":"https://github.com/ChainBench/OpenChainBench/tree/main/harnesses/rpc-capabilities","methodology":["Cadence: every 60 seconds per provider, from each of 3 probe regions (us-east Virginia, eu-west Amsterdam, sgp Singapore). Headline p50/p90/p99 aggregate across all 3 regions via Prometheus `avg(quantile_over_time(...))`; per-region breakdowns are first-class on this page via the region tabs.","Payload: `{\"jsonrpc\":\"2.0\",\"id\":<rotating>,\"method\":\"eth_getBlockByNumber\",\"params\":[\"latest\",false]}`. Plain HTTP POST, identical for every endpoint, no API key in any request. Non-cacheable by design: the latest-header fetch with a rotating id defeats edge caches that answer eth_blockNumber without touching a node.","Latency measurement, call-result classification (`ok`, `http_err`, `jsonrpc_err`, `stale`, `timeout`) and the archive-depth audit follow the cluster method documented on [rpc-capabilities](https://openchainbench.com/benchmarks/rpc-capabilities#methodology); this page is the zkSync Era-scoped view of the same harness, with the same exclusion rules.","Chain scope: every query on this page is pinned to chain=\"zksync\". Provider coverage: 3 no-key public-read endpoints live today, each listed with its URL in the endpoints table on this page. Exclusions follow the cluster-wide rules documented on the parent benchmark."],"license":"CC-BY-4.0"}