{"slug":"interlay-rpc","title":"Interlay RPC endpoints: free public URLs by 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":151.051,"leader":{"name":"Interlay","slug":"interlay-official","value":151.051},"leaders":[{"name":"Interlay","slug":"interlay-official","value":151.051}],"rankings":[{"name":"Interlay","slug":"interlay-official","ms":{"p50":151.051,"p90":168.74,"p99":301.635,"mean":153.796},"successRate":100,"sampleSize":4319.72}],"sparkline":[127.724,131.676,142.566,143.022,139.906,129.562,130.184,130.484,132.337,141.867,146.366,146.326,134.656,131.507,130.957,131.031,129.997,130.798,133.117,135.643,137.706,147.432,154.008,157.42,152.927,152.999,154.212,154.273,152.838,153.029,153.573,154.181,153.799,153.559,159.7,162.146,164.816,161.172,161.506,162.294,161.556,160.685,160.119,160.511,161.243,160.874,161.624,161.092,160.046,177.219,176.928,178.486,161.126,167.647,167.989,193.381,189.424,186.335,160.007,156.187,158.469,156.599,156.147,153.211,151.752,150.545,151.939,153.025,155.109,153.46,152.703,150.759,157.398],"sampleSize":4319.72,"asOf":"2026-10-07T00:20:47.669Z","freshness":{"asOf":"2026-10-07T00:20:47.669Z","ageHours":0.1,"stale":false},"measured":1,"ranked":1,"headline":"Interlay is the only free public Interlay RPC endpoint measured, at 151 ms (p50, 24h, 3 regions).","quote":"Interlay is the only free public Interlay RPC endpoint measured, at 151 ms (p50, 24h, 3 regions). Source: OpenChainBench (https://openchainbench.com/benchmarks/interlay-rpc).","cite":{"plain":"OpenChainBench. \"Interlay RPC endpoints: free public URLs by latency\". Retrieved 2026-10-07. https://openchainbench.com/benchmarks/interlay-rpc","bibtex":"@misc{ocb_interlay_rpc,\n  author = {OpenChainBench},\n  title  = {Interlay RPC endpoints: free public URLs by latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/interlay-rpc},\n  note   = {Retrieved 2026-10-07}\n}","apa":"OpenChainBench. (2026). Interlay RPC endpoints: free public URLs by latency. Retrieved October 7, 2026, from https://openchainbench.com/benchmarks/interlay-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Interlay RPC endpoints: free public URLs by latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/interlay-rpc\r\nY2  - 2026-10-07\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 measurement, call-result classification (`ok`, `http_err`, `jsonrpc_err`, `stale`, `timeout`) and the archive-depth audit follow the cluster method documented on [rpc-capabilities](https://openchainbench.com/benchmarks/rpc-capabilities#methodology); this page is the Interlay-scoped view of the same harness, with the same exclusion rules.","Chain scope: every query on this page is pinned to chain=interlay. Provider coverage today: 1 endpoint (Interlay official api.interlay.io/parachain)."],"license":"CC-BY-4.0"}