{"slug":"unichain-rpc","title":"Fastest free Unichain RPC, live no-key endpoint latency","subtitle":"HTTP round-trip latency for eth_blockNumber against every free, no-key public Unichain RPC endpoint, audited every 15 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"value":14.3333,"leader":{"name":"dRPC","slug":"drpc","value":14.3333},"rankings":[{"name":"dRPC","slug":"drpc","ms":{"p50":14.3333,"p90":25.3333,"p99":56.6667,"mean":17.4846},"successRate":94.8909,"sampleSize":8613.61},{"name":"PublicNode","slug":"publicnode","ms":{"p50":77,"p90":84,"p99":163.35,"mean":80.7423},"successRate":100,"sampleSize":8629.61},{"name":"Unichain","slug":"unichain-official","ms":{"p50":239,"p90":246.667,"p99":261.857,"mean":241.343},"successRate":100,"sampleSize":8625.61},{"name":"Tenderly","slug":"tenderly","ms":{"p50":336.333,"p90":347.667,"p99":362.86,"mean":339.884},"successRate":100,"sampleSize":8627.61},{"name":"1RPC","slug":"1rpc","ms":{"p50":533.5,"p90":3946.2,"p99":6753.77,"mean":1306.11},"successRate":1.66979,"sampleSize":8625.62}],"sparkline":[20.5499,18.2615,17.3801,16.4803,15.5776,14.8907,13.9589,13.4661,12.773,12.5666,12.0889,12.0258,11.8894,12.1833,12.0079,12.091,11.7986,11.7918,11.5066,11.5142,11.6234,11.8729,12.1517,12.8482,13.111,13.4583,13.1187,13.476,13.5639,13.7919,13.8496,14.4525,14.7138,14.6961,16.1839,17.402,19.0574,17.7039,19.1519,17.9594,18.0142,16.2773,16.4302,17.0084,16.5654,16.6502,16.0048,16.0195,16.0167,16.4253,17.9106,18.9318,19.4749,18.2684,17.7686,18.9279,20.3665,21.8758,22.6119,24.6091,25.7876,25.3206,24.1547,24.942,25.8469,26.3283,24.7166,23.8851,23.4045,40.1107,38.7494,37.1232,19.8926],"sampleSize":43122.060000000005,"asOf":"2026-07-04T18:00:19.869Z","headline":"dRPC leads rpc latency at 14 ms (p50, 24h) on Fastest free Unichain RPC, live no-key endpoint latency.","quote":"dRPC leads rpc latency at 14 ms (p50, 24h) on Fastest free Unichain RPC, live no-key endpoint latency. Source: OpenChainBench (https://openchainbench.com/benchmarks/unichain-rpc).","cite":{"plain":"OpenChainBench. \"Fastest free Unichain RPC, live no-key endpoint latency\". Retrieved 2026-07-04. https://openchainbench.com/benchmarks/unichain-rpc","bibtex":"@misc{ocb_unichain_rpc,\n  author = {OpenChainBench},\n  title  = {Fastest free Unichain RPC, live no-key endpoint latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/unichain-rpc},\n  note   = {Retrieved 2026-07-04}\n}","apa":"OpenChainBench. (2026). Fastest free Unichain RPC, live no-key endpoint latency. Retrieved July 4, 2026, from https://openchainbench.com/benchmarks/unichain-rpc"},"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 15 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\":1,\"method\":\"eth_blockNumber\",\"params\":[]}`. Plain HTTP POST, identical for every endpoint, no API key in any request.","Latency: client-side round-trip delta in milliseconds, exposed as both a gauge and a histogram (buckets 50 ms → 10 s), so percentiles are computed via Prometheus `quantile_over_time` over the last 24 hours.","Call-result classification: `ok` (HTTP 200 + non-empty result), `http_err`, `jsonrpc_err` (HTTP 200 carrying an error body), `stale` (more than 20 blocks behind the cross-provider tip), `timeout`. Latency without reliability is a misleading ranking signal.","Archive depth: every 5 minutes we issue `eth_getBalance` at (head − depth) for depths from Geth's default pruned cap up to 5M blocks, exposing which free endpoints actually serve historical state.","This page is part of the per-chain RPC cluster derived from the cross-chain [rpc-capabilities](https://openchainbench.com/benchmarks/rpc-capabilities) benchmark; the identical harness, methodology and exclusion rules apply on every chain.","Chain scope: every query on this page is pinned to chain=\"unichain\". Provider coverage: 5 no-key endpoints (PublicNode, dRPC, 1RPC, Tenderly, Unichain). Exclusions follow the cluster-wide rules documented on the parent benchmark."],"license":"CC-BY-4.0"}