{"slug":"aurora-rpc","title":"Fastest free Aurora RPC, live no-key endpoint latency","subtitle":"HTTP round-trip latency for eth_getBlockByNumber against every free, no-key public Aurora RPC endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":130.378,"leader":{"name":"Aurora Labs","slug":"aurora-official","value":130.378},"rankings":[{"name":"Aurora Labs","slug":"aurora-official","ms":{"p50":130.378,"p90":160.182,"p99":646.082,"mean":153.349},"successRate":99.8143,"sampleSize":4312.85}],"sparkline":[134.905,135.629,134.928,135.581,131.566,130.489,129.036,130.544,131.235,132.158,133.279,133.721,138.664,139.54,138.105,131.55,128.917,130.644,131.642,134.881,136.008,135.502,133.902,136.985,140.499,140.907,137.355,133.059,131.696,130.118,132.851,132.695,141.807,147.995,148.7,140.869,132.887,137.555,136.58,138.032,135.303,138.125,138.453,136.71,136.06,143.341,152.031,164.131,172.104,197.452,211.892,208.176,174.869,161.977,216.333,304.01,387.436,306.76,231.473,152.047,145.757,146.029,148.931,152.672,158.383,156.512,153.945,151.747,150.651,146.199,144.142,147.999,151.789],"sampleSize":4312.85,"asOf":"2026-09-18T22:19:00.973Z","headline":"Aurora Labs posts the lowest rpc latency at 130 ms (p50, 24h) on Fastest free Aurora RPC, live no-key endpoint latency.","quote":"Aurora Labs posts the lowest rpc latency at 130 ms (p50, 24h) on Fastest free Aurora RPC, live no-key endpoint latency. Source: OpenChainBench (https://openchainbench.com/benchmarks/aurora-rpc).","cite":{"plain":"OpenChainBench. \"Fastest free Aurora RPC, live no-key endpoint latency\". Retrieved 2026-09-18. https://openchainbench.com/benchmarks/aurora-rpc","bibtex":"@misc{ocb_aurora_rpc,\n  author = {OpenChainBench},\n  title  = {Fastest free Aurora RPC, live no-key endpoint latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/aurora-rpc},\n  note   = {Retrieved 2026-09-18}\n}","apa":"OpenChainBench. (2026). Fastest free Aurora RPC, live no-key endpoint latency. Retrieved September 18, 2026, from https://openchainbench.com/benchmarks/aurora-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Fastest free Aurora RPC, live no-key endpoint latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/aurora-rpc\r\nY2  - 2026-09-18\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/aurora-rpc","ogImage":"https://openchainbench.com/api/og/aurora-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.","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`.","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, cadence and exclusion rules apply on every chain.","Chain scope: every query on this page is pinned to `chain=\"aurora\"`. Provider coverage: 1 no-key endpoint (Aurora Official). Ankr and dRPC require an API key for Aurora and have been removed."],"license":"CC-BY-4.0"}