{"slug":"unichain-rpc","title":"Unichain RPC endpoints: free public URLs by latency","subtitle":"HTTP round-trip latency for eth_getBlockByNumber against every free, no-key public Unichain RPC endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":70.1515,"leader":{"name":"PublicNode","slug":"publicnode","value":70.1515},"leaders":[{"name":"PublicNode","slug":"publicnode","value":70.1515}],"rankings":[{"name":"PublicNode","slug":"publicnode","ms":{"p50":70.1515,"p90":86.6364,"p99":143.881,"mean":75.137},"successRate":100,"sampleSize":4316.41},{"name":"Tenderly","slug":"tenderly","ms":{"p50":106.278,"p90":111.848,"p99":118.059,"mean":106.623},"successRate":100,"sampleSize":4310.41},{"name":"dRPC","slug":"drpc","ms":{"p50":113.076,"p90":136.488,"p99":188.849,"mean":119.482},"successRate":99.4411,"sampleSize":4296.42},{"name":"Unichain (Uniswap Labs)","slug":"unichain-official","ms":{"p50":129.52,"p90":144.666,"p99":155.099,"mean":131.888},"successRate":100,"sampleSize":4306.41}],"sparkline":[71.275,72.1665,72.2223,72.2319,71.7774,70.6103,69.9766,70.5428,70.1125,70.5107,71.0111,70.0178,71.4486,70.8046,71.1116,71.35,81.1663,81.1689,80.0785,70.2353,70.5073,69.8573,70.2488,71.1426,71.9173,71.6233,71.0649,71.3097,71.7277,71.5417,71.5078,73.5468,73.4485,74.8461,72.8308,73.1437,72.4873,75.6532,76.0479,77.8895,75.5009,78.2099,76.4071,78.4879,77.6637,77.7287,78.0119,75.4128,74.136,71.2397,72.3316,80.9968,86.1764,86.6488,79.2243,74.3527,75.7814,77.6221,79.9578,80.3851,80.1096,80.2761,80.7456,81.4751,82.2131,81.4681,80.1685,80.8019,80.2464,77.8888,73.4196,71.3023,72.0844],"sampleSize":17229.65,"asOf":"2026-10-04T22:25:49.512Z","freshness":{"asOf":"2026-10-04T22:25:49.512Z","ageHours":0.1,"stale":false},"measured":4,"ranked":4,"headline":"PublicNode has the lowest median latency of the 4 free public Unichain RPC endpoints measured, 70 ms (p50, 24h, 3 regions).","quote":"PublicNode has the lowest median latency of the 4 free public Unichain RPC endpoints measured, 70 ms (p50, 24h, 3 regions). Source: OpenChainBench (https://openchainbench.com/benchmarks/unichain-rpc).","cite":{"plain":"OpenChainBench. \"Unichain RPC endpoints: free public URLs by latency\". Retrieved 2026-10-04. https://openchainbench.com/benchmarks/unichain-rpc","bibtex":"@misc{ocb_unichain_rpc,\n  author = {OpenChainBench},\n  title  = {Unichain RPC endpoints: free public URLs by latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/unichain-rpc},\n  note   = {Retrieved 2026-10-04}\n}","apa":"OpenChainBench. (2026). Unichain RPC endpoints: free public URLs by latency. Retrieved October 4, 2026, from https://openchainbench.com/benchmarks/unichain-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Unichain RPC endpoints: free public URLs by latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/unichain-rpc\r\nY2  - 2026-10-04\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/unichain-rpc","ogImage":"https://openchainbench.com/api/og/unichain-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 Unichain-scoped view of the same harness, with the same exclusion rules.","Chain scope: every query on this page is pinned to chain=\"unichain\". Provider coverage: 4 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"}