{"slug":"soneium-rpc","title":"Fastest free Soneium RPC, live no-key endpoint latency","subtitle":"HTTP round-trip latency for eth_getBlockByNumber against every free, no-key public Soneium RPC endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":79.5142,"leader":{"name":"Soneium","slug":"soneium-official","value":79.5142},"rankings":[{"name":"Soneium","slug":"soneium-official","ms":{"p50":79.5142,"p90":87.2367,"p99":142.967,"mean":82.6063},"successRate":100,"sampleSize":4306.83},{"name":"PublicNode","slug":"publicnode","ms":{"p50":106.086,"p90":115.364,"p99":224.391,"mean":110.538},"successRate":100,"sampleSize":4320.84},{"name":"dRPC","slug":"drpc","ms":{"p50":197.245,"p90":341.76,"p99":534.161,"mean":185.809},"successRate":94.6097,"sampleSize":4304.83},{"name":"Tenderly","slug":"tenderly","ms":{"p50":331.201,"p90":348.292,"p99":498.319,"mean":339.433},"successRate":100,"sampleSize":4317.83}],"sparkline":[82.3035,82.2747,81.7425,80.2251,81.3001,81.3964,82.4364,81.3867,81.8734,81.0148,81.5703,81.3157,82.5635,84.5034,84.7952,84.7735,82.2357,82.4841,81.3818,82.6824,81.9226,82.331,81.469,81.8845,82.6636,84.1092,84.5393,84.8592,87.3706,87.7173,87.5045,84.1866,83.9938,88.8335,88.1324,87.6329,81.6053,81.195,79.8022,80.9697,80.4072,81.4374,79.4791,85.1269,83.9792,83.3612,77.5305,77.7502,77.8872,77.4053,76.8181,77.2595,78.3343,81.6905,82.964,83.2585,81.9622,81.3743,81.0113,81.3103,81.0672,82.9173,82.363,82.9529,82.2083,83.1255,83.2777,83.7717,83.2836,84.3578,85.1038,85.8911,86.8829],"sampleSize":17250.33,"asOf":"2026-08-23T05:21:46.891Z","headline":"Soneium posts the lowest rpc latency at 80 ms (p50, 24h) on Fastest free Soneium RPC, live no-key endpoint latency.","quote":"Soneium posts the lowest rpc latency at 80 ms (p50, 24h) on Fastest free Soneium RPC, live no-key endpoint latency. Source: OpenChainBench (https://openchainbench.com/benchmarks/soneium-rpc).","cite":{"plain":"OpenChainBench. \"Fastest free Soneium RPC, live no-key endpoint latency\". Retrieved 2026-08-23. https://openchainbench.com/benchmarks/soneium-rpc","bibtex":"@misc{ocb_soneium_rpc,\n  author = {OpenChainBench},\n  title  = {Fastest free Soneium RPC, live no-key endpoint latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/soneium-rpc},\n  note   = {Retrieved 2026-08-23}\n}","apa":"OpenChainBench. (2026). Fastest free Soneium RPC, live no-key endpoint latency. Retrieved August 23, 2026, from https://openchainbench.com/benchmarks/soneium-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Fastest free Soneium RPC, live no-key endpoint latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/soneium-rpc\r\nY2  - 2026-08-23\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/soneium-rpc","ogImage":"https://openchainbench.com/api/og/soneium-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 latest-header fetch with a rotating id defeats edge caches that answer eth_blockNumber 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), `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.","Archive depth: every 5 minutes we issue `eth_getBalance` at (head − depth) for depths from Geth's default pruned cap up to 5M blocks, exposing which free endpoints actually serve historical state.","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, methodology and exclusion rules apply on every chain.","Chain scope: every query on this page is pinned to chain=\"soneium\". Provider coverage: 4 no-key endpoints (PublicNode, dRPC, Tenderly, Soneium). Exclusions follow the cluster-wide rules documented on the parent benchmark."],"license":"CC-BY-4.0"}