{"slug":"cyber-rpc","title":"Cyber RPC endpoints: free public URLs by latency","subtitle":"HTTP round-trip latency for the `eth_getBlockByNumber(\\\"latest\\\", false)` method against every free, no-key public Cyber Network EVM endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":122.85,"leader":{"name":"Cyber Network","slug":"cyber-official","value":122.85},"leaders":[{"name":"Cyber Network","slug":"cyber-official","value":122.85}],"rankings":[{"name":"Cyber Network","slug":"cyber-official","value":122.85,"unit":"ms","ms":{"p50":122.85,"p90":129.813,"p99":139.425,"mean":125.004},"successRate":100,"sampleSize":4321.75},{"name":"AltLayer","slug":"altlayer","value":140.382,"unit":"ms","ms":{"p50":140.382,"p90":159.377,"p99":189.856,"mean":144.674},"successRate":100,"sampleSize":4320.75}],"sparkline":[131.524,132.05,131.694,130.639,129.95,130.443,129.597,129.238,129.042,130.014,130.819,131.79,128.765,125.527,122.147,122.941,123.22,123.239,122.887,130.755,131.299,131.769,125.009,124.991,124.593,123.566,125.364,127.279,127.26,124.764,122.382,122.342,122.452,122.582,122.424,122.376,122.48,127.051,131.196,135.027,130.326,125.614,121.311,121.195,121.323,121.463,121.476,122.073,122.322,122.936,122.854,122.488,121.732,121.233,121.062,121.363,122.262,123.083,123.565,123.45,123.664,123.699,123.657,123.76,123.483,123.369,123.021,123.087,123.306,123.465,123.659,123.46,123.388],"sampleSize":12949.25,"asOf":"2026-11-02T09:09:21.099Z","freshness":{"asOf":"2026-11-02T09:09:21.099Z","ageHours":0.2,"stale":false},"measured":2,"ranked":2,"headline":"Cyber Network has the lowest median latency of the 2 free public Cyber RPC endpoints measured, 123 ms (p50, 24h, 3 regions).","quote":"Cyber Network has the lowest median latency of the 2 free public Cyber RPC endpoints measured, 123 ms (p50, 24h, 3 regions). Source: OpenChainBench (https://openchainbench.com/benchmarks/cyber-rpc).","cite":{"plain":"OpenChainBench. \"Cyber RPC endpoints: free public URLs by latency\". Retrieved 2026-11-02. https://openchainbench.com/benchmarks/cyber-rpc","bibtex":"@misc{ocb_cyber_rpc,\n  author = {OpenChainBench},\n  title  = {Cyber RPC endpoints: free public URLs by latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/cyber-rpc},\n  note   = {Retrieved 2026-11-02}\n}","apa":"OpenChainBench. (2026). Cyber RPC endpoints: free public URLs by latency. Retrieved November 2, 2026, from https://openchainbench.com/benchmarks/cyber-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Cyber RPC endpoints: free public URLs by latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/cyber-rpc\r\nY2  - 2026-11-02\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/cyber-rpc","ogImage":"https://openchainbench.com/api/og/cyber-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. The request id rotates, but that does not guarantee a cache miss: many caches normalise `id` away. Measured 2026-10-08, fixed and rotating ids answer within 2 to 4 percent of each other.","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 Cyber-scoped view of the same harness, with the same exclusion rules.","Chain scope: every query on this page is pinned to `chain=\"cyber\"`. Provider coverage today: 2 no-key endpoints."],"license":"CC-BY-4.0"}