{"slug":"optimism-rpc","title":"Optimism RPC endpoints: free public URLs by latency","subtitle":"HTTP round-trip latency for eth_getBlockByNumber against every free, no-key public Optimism RPC endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":83.7212,"leader":{"name":"PublicNode","slug":"publicnode","value":83.7212},"leaders":[{"name":"PublicNode","slug":"publicnode","value":83.7212}],"rankings":[{"name":"PublicNode","slug":"publicnode","value":83.7212,"unit":"ms","ms":{"p50":83.7212,"p90":112.222,"p99":233.844,"mean":91.7192},"successRate":100,"sampleSize":4317.75},{"name":"Tenderly","slug":"tenderly","value":100.923,"unit":"ms","ms":{"p50":100.923,"p90":110.119,"p99":117.276,"mean":101.685},"successRate":100,"sampleSize":4319.75},{"name":"dRPC","slug":"drpc","value":109.407,"unit":"ms","ms":{"p50":109.407,"p90":179.137,"p99":253.244,"mean":119.201},"successRate":82.5805,"sampleSize":4317.75},{"name":"Thyme Gate","slug":"thyme","value":111.19,"unit":"ms","ms":{"p50":111.19,"p90":145.054,"p99":166.022,"mean":119.627},"successRate":100,"sampleSize":1026.65},{"name":"Nodies","slug":"nodies","value":140.734,"unit":"ms","ms":{"p50":140.734,"p90":189.983,"p99":238.223,"mean":151.03},"successRate":99.9768,"sampleSize":4318.75},{"name":"Optimism","slug":"optimism-official","value":154.725,"unit":"ms","ms":{"p50":154.725,"p90":158.593,"p99":195.242,"mean":156.739},"successRate":100,"sampleSize":4321.75}],"sparkline":[84.8912,84.2345,86.1069,85.6788,86.5899,84.3138,83.5203,82.4288,83.7193,84.579,85.4778,86.9945,86.3914,86.0531,83.8003,84.4451,84.1658,83.9212,83.514,83.7764,83.7875,83.9166,84.1709,85.6912,86.1751,87.131,86.5873,87.3196,88.8118,88.7683,88.573,88.3414,90.5265,90.9877,91.5345,93.6301,95.4154,98.0286,97.2299,115.344,112.932,112.635,95.0421,93.014,94.7911,91.8785,91.666,87.3455,87.6854,88.9889,92.5273,94.998,95.4832,92.5128,91.5921,92.8744,98.7224,108.255,111.015,109.025,95.2078,88.829,85.8538,90.4581,93.1841,87.613,84.3755,80.9078,89.3173,100.656,107.813,110.872,107.619],"sampleSize":22622.4,"asOf":"2026-11-11T03:13:47.616Z","freshness":{"asOf":"2026-11-11T03:13:47.616Z","ageHours":0,"stale":false},"measured":6,"ranked":6,"headline":"PublicNode has the lowest median latency of the 6 free public Optimism RPC endpoints measured, 84 ms (p50, 24h, 3 regions).","quote":"PublicNode has the lowest median latency of the 6 free public Optimism RPC endpoints measured, 84 ms (p50, 24h, 3 regions). Source: OpenChainBench (https://openchainbench.com/benchmarks/optimism-rpc).","cite":{"plain":"OpenChainBench. \"Optimism RPC endpoints: free public URLs by latency\". Retrieved 2026-11-11. https://openchainbench.com/benchmarks/optimism-rpc","bibtex":"@misc{ocb_optimism_rpc,\n  author = {OpenChainBench},\n  title  = {Optimism RPC endpoints: free public URLs by latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/optimism-rpc},\n  note   = {Retrieved 2026-11-11}\n}","apa":"OpenChainBench. (2026). Optimism RPC endpoints: free public URLs by latency. Retrieved November 11, 2026, from https://openchainbench.com/benchmarks/optimism-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Optimism RPC endpoints: free public URLs by latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/optimism-rpc\r\nY2  - 2026-11-11\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/optimism-rpc","ogImage":"https://openchainbench.com/api/og/optimism-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. The request id rotates, but that does not guarantee a cache miss: many caches normalise `id` away. Measured 2026-10-08, fixed and rotating ids answer within 2 to 4 percent of each other.","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 Optimism-scoped view of the same harness, with the same exclusion rules.","Chain scope: every query on this page is pinned to chain=\"optimism\". Provider coverage: 6 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"}