{"slug":"cyber-rpc","title":"Fastest free Cyber RPC, live no-key EVM endpoint 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":167,"leader":{"name":"Cyber Network","slug":"cyber-official","value":167},"rankings":[{"name":"Cyber Network","slug":"cyber-official","ms":{"p50":167,"p90":177.667,"p99":515.333,"mean":176.713},"successRate":1.00221,"sampleSize":1359.67},{"name":"AltLayer","slug":"altlayer","ms":{"p50":173.333,"p90":184.333,"p99":237.603,"mean":178.143},"successRate":1.00221,"sampleSize":1359.67},{"name":"Thirdweb","slug":"thirdweb","ms":{"p50":629.5,"p90":745,"p99":773.667,"mean":661.434},"successRate":1.52984,"sampleSize":1308.66}],"sparkline":[202.834,193.523,189.277,188.786,193.008,187.388,181.52,174.718,174.719,170.665,166.61,166.535,166.719,166.793,166.954,166.794,166.383,165.957,165.903,171.961,177.129,188.993,189.678],"sampleSize":4028,"asOf":"2026-08-03T22:23:12.315Z","headline":"Cyber Network leads rpc latency at 167 ms (p50, 24h) on Fastest free Cyber RPC, live no-key EVM endpoint latency.","quote":"Cyber Network leads rpc latency at 167 ms (p50, 24h) on Fastest free Cyber RPC, live no-key EVM endpoint latency. Source: OpenChainBench (https://openchainbench.com/benchmarks/cyber-rpc).","cite":{"plain":"OpenChainBench. \"Fastest free Cyber RPC, live no-key EVM endpoint latency\". Retrieved 2026-08-03. https://openchainbench.com/benchmarks/cyber-rpc","bibtex":"@misc{ocb_cyber_rpc,\n  author = {OpenChainBench},\n  title  = {Fastest free Cyber RPC, live no-key EVM endpoint latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/cyber-rpc},\n  note   = {Retrieved 2026-08-03}\n}","apa":"OpenChainBench. (2026). Fastest free Cyber RPC, live no-key EVM endpoint latency. Retrieved August 3, 2026, from https://openchainbench.com/benchmarks/cyber-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Fastest free Cyber RPC, live no-key EVM endpoint latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/cyber-rpc\r\nY2  - 2026-08-03\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. Non-cacheable by design: the rotating id defeats edge caches that would answer a bare head query without touching a node.","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 with a parsable hex block number), `http_err`, `jsonrpc_err` (HTTP 200 carrying an error body), `stale` (more than 20 blocks behind the cross-provider tip), `timeout`. Latency without reliability is a misleading ranking signal.","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=\"cyber\"`. Provider coverage at launch: 3 no-key endpoints."],"license":"CC-BY-4.0"}