{"slug":"acala-rpc","title":"Fastest free Acala RPC, live no-key endpoint latency","subtitle":"HTTP round-trip latency for Substrate chain_getHeader queries against every available public Acala endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":3.37875,"leader":{"name":"Acala (RPC-0)","slug":"acala-rpc0","value":3.37875},"rankings":[{"name":"Acala (RPC-0)","slug":"acala-rpc0","ms":{"p50":3.37875,"p90":15.1664,"p99":128.155,"mean":9.61508},"successRate":100,"sampleSize":567.856},{"name":"Acala (RPC-2)","slug":"acala-rpc2","ms":{"p50":4.01829,"p90":13.2295,"p99":162.438,"mean":15.8342},"successRate":100,"sampleSize":569.857},{"name":"Dwellir","slug":"dwellir","ms":{"p50":842.147,"p90":862.628,"p99":1103.09,"mean":745.878},"successRate":100,"sampleSize":2667.86}],"sparkline":[16.7579,13.88,12.584,10.1739,8.42049,9.12835,8.21847,10.3197,9.25297,9.38316],"sampleSize":3805.5730000000003,"asOf":"2026-08-28T14:32:17.834Z","headline":"Acala (RPC-0) posts the lowest rpc latency at 3 ms (p50, 24h) on Fastest free Acala RPC, live no-key endpoint latency.","quote":"Acala (RPC-0) posts the lowest rpc latency at 3 ms (p50, 24h) on Fastest free Acala RPC, live no-key endpoint latency. Source: OpenChainBench (https://openchainbench.com/benchmarks/acala-rpc).","cite":{"plain":"OpenChainBench. \"Fastest free Acala RPC, live no-key endpoint latency\". Retrieved 2026-08-28. https://openchainbench.com/benchmarks/acala-rpc","bibtex":"@misc{ocb_acala_rpc,\n  author = {OpenChainBench},\n  title  = {Fastest free Acala RPC, live no-key endpoint latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/acala-rpc},\n  note   = {Retrieved 2026-08-28}\n}","apa":"OpenChainBench. (2026). Fastest free Acala RPC, live no-key endpoint latency. Retrieved August 28, 2026, from https://openchainbench.com/benchmarks/acala-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Fastest free Acala RPC, live no-key endpoint latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/acala-rpc\r\nY2  - 2026-08-28\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/acala-rpc","ogImage":"https://openchainbench.com/api/og/acala-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\":\"chain_getHeader\",\"params\":[]}. The result contains a number field (hex-encoded block number).","Latency: client-side round-trip delta in milliseconds, exposed as both a gauge and a histogram (buckets 50 ms to 10 s), so percentiles are computed via Prometheus quantile_over_time over the last 24 hours.","Call-result classification: ok (parsable block height returned), http_err, jsonrpc_err, stale (block more than 40 behind the cross-provider tip), timeout.","This page is part of the per-chain RPC cluster derived from the cross-chain 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=acala. Provider coverage at launch: 3 endpoints (Dwellir, Acala RPC-0, Acala RPC-2)."],"license":"CC-BY-4.0"}