{"slug":"interlay-rpc","title":"Fastest free Interlay RPC, live no-key endpoint latency","subtitle":"HTTP round-trip latency for Substrate chain_getHeader queries against every available public Interlay endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":257.348,"leader":{"name":"Interlay","slug":"interlay-official","value":257.348},"rankings":[{"name":"Interlay","slug":"interlay-official","ms":{"p50":257.348,"p90":301.048,"p99":814.367,"mean":268.654},"successRate":100,"sampleSize":2855.86}],"sparkline":[295.785,268.295,260.644,254.664,262.689,269.738,273.908,279.542,280.966,278.797,270.871,277.059,328.112,323.78,313.023,258.019,258.133,256.586,256.885,261.527,268.056,261.456,247.962,237.909,253.704,273.848,282.711,276.107,258.068,248.097,246.246,254.721,261.172,261.569,263.71,275.396,288.458,283.854,270.149,260.02,269.201,274.191,281.851,275.104,262.358,247.397,237.77,255.121],"sampleSize":2855.86,"asOf":"2026-08-28T15:32:47.754Z","headline":"Interlay posts the lowest rpc latency at 257 ms (p50, 24h) on Fastest free Interlay RPC, live no-key endpoint latency.","quote":"Interlay posts the lowest rpc latency at 257 ms (p50, 24h) on Fastest free Interlay RPC, live no-key endpoint latency. Source: OpenChainBench (https://openchainbench.com/benchmarks/interlay-rpc).","cite":{"plain":"OpenChainBench. \"Fastest free Interlay RPC, live no-key endpoint latency\". Retrieved 2026-08-28. https://openchainbench.com/benchmarks/interlay-rpc","bibtex":"@misc{ocb_interlay_rpc,\n  author = {OpenChainBench},\n  title  = {Fastest free Interlay RPC, live no-key endpoint latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/interlay-rpc},\n  note   = {Retrieved 2026-08-28}\n}","apa":"OpenChainBench. (2026). Fastest free Interlay RPC, live no-key endpoint latency. Retrieved August 28, 2026, from https://openchainbench.com/benchmarks/interlay-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Fastest free Interlay RPC, live no-key endpoint latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/interlay-rpc\r\nY2  - 2026-08-28\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/interlay-rpc","ogImage":"https://openchainbench.com/api/og/interlay-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=interlay. Provider coverage at launch: 1 endpoint (Interlay official api.interlay.io/parachain)."],"license":"CC-BY-4.0"}