{"slug":"arbitrum-rpc","title":"Fastest free Arbitrum RPC, live no-key endpoint latency","subtitle":"HTTP round-trip latency for eth_blockNumber against every free, no-key public Arbitrum RPC endpoint, audited every 15 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"value":22,"leader":{"name":"dRPC","slug":"drpc","value":22},"rankings":[{"name":"dRPC","slug":"drpc","ms":{"p50":22,"p90":32.6667,"p99":724,"mean":45.5897},"successRate":96.2582,"sampleSize":8633.14},{"name":"PublicNode","slug":"publicnode","ms":{"p50":36,"p90":80.6667,"p99":141.573,"mean":48.2395},"successRate":99.9884,"sampleSize":8635.14},{"name":"Tenderly","slug":"tenderly","ms":{"p50":92,"p90":244.333,"p99":262.353,"mean":122.816},"successRate":99.7916,"sampleSize":8641.14},{"name":"Nodies","slug":"nodies","ms":{"p50":100.667,"p90":183.067,"p99":245.857,"mean":118.758},"successRate":99.7107,"sampleSize":8643.14},{"name":"Arbitrum","slug":"arbitrum-official","ms":{"p50":129.333,"p90":251.333,"p99":319.36,"mean":160.199},"successRate":99.9653,"sampleSize":8644.14},{"name":"1RPC","slug":"1rpc","ms":{"p50":136.667,"p90":372,"p99":2694.81,"mean":255.736},"successRate":1.6797900000000001,"sampleSize":8633.14},{"name":"Lava","slug":"lava","ms":{"p50":160.667,"p90":406.667,"p99":2225.67,"mean":280.012},"successRate":99.4785,"sampleSize":8631.14},{"name":"MeowRPC","slug":"meowrpc","ms":{"p50":183,"p90":318.867,"p99":410.72,"mean":202.083},"successRate":98.5418,"sampleSize":8642.14}],"sparkline":[23.6111,23.6389,23.4194,23.8472,23.8333,23.4889,22.4194,21.4806,22.05,22.1167,23.1583,22.7361,104.664,161.054,211.418,187.581,146.174,160.746,165.883,180.967,144.258,120.556,123.696,103.049,64.5931,31.6639,24.4417,24.0833,23.6556,23.4556,23.7056,24.4111,25.3778,25.5889,25.1694,25.2083,25.45,25.7139,25.1361,24.6306,24.0361,24.4889,24.3972,25.0222,24.9278,24.9194,24.9,27.2611,30.1194,31.0556,29.2028,27.25,28.2778,29.2917,30.6833,29.2861,28.1778,27.4889,27.9926,26.3398,24.6703,22.2217,21.5927,19.5664,18.6328,17.9824,17.8435,16.7386,15.9081,14.538,13.7733,12.9951,12.4513],"sampleSize":69103.12,"asOf":"2026-07-03T20:15:21.503Z","headline":"dRPC leads rpc latency at 22 ms (p50, 24h) on Fastest free Arbitrum RPC, live no-key endpoint latency.","quote":"dRPC leads rpc latency at 22 ms (p50, 24h) on Fastest free Arbitrum RPC, live no-key endpoint latency. Source: OpenChainBench (https://openchainbench.com/benchmarks/arbitrum-rpc).","cite":{"plain":"OpenChainBench. \"Fastest free Arbitrum RPC, live no-key endpoint latency\". Retrieved 2026-07-03. https://openchainbench.com/benchmarks/arbitrum-rpc","bibtex":"@misc{ocb_arbitrum_rpc,\n  author = {OpenChainBench},\n  title  = {Fastest free Arbitrum RPC, live no-key endpoint latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/arbitrum-rpc},\n  note   = {Retrieved 2026-07-03}\n}","apa":"OpenChainBench. (2026). Fastest free Arbitrum RPC, live no-key endpoint latency. Retrieved July 3, 2026, from https://openchainbench.com/benchmarks/arbitrum-rpc"},"pageUrl":"https://openchainbench.com/benchmarks/arbitrum-rpc","ogImage":"https://openchainbench.com/api/og/arbitrum-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=\"arbitrum\". Provider coverage: 8 no-key endpoints (PublicNode, dRPC, 1RPC, Tenderly, Nodies, Lava, MeowRPC, Arbitrum). Exclusions follow the cluster-wide rules documented on the parent benchmark."],"license":"CC-BY-4.0"}