{"slug":"soneium-rpc","title":"Fastest free Soneium RPC, live no-key endpoint latency","subtitle":"HTTP round-trip latency for eth_blockNumber against every free, no-key public Soneium RPC endpoint, audited every 15 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"value":14.6667,"leader":{"name":"Soneium","slug":"soneium-official","value":14.6667},"rankings":[{"name":"Soneium","slug":"soneium-official","ms":{"p50":14.6667,"p90":20.3333,"p99":33.86,"mean":15.5486},"successRate":100,"sampleSize":8622.61},{"name":"dRPC","slug":"drpc","ms":{"p50":18.3333,"p90":30.3333,"p99":64.6667,"mean":22.7663},"successRate":94.8212,"sampleSize":8613.61},{"name":"PublicNode","slug":"publicnode","ms":{"p50":80.6667,"p90":90,"p99":270.667,"mean":87.5585},"successRate":100,"sampleSize":8630.61},{"name":"Tenderly","slug":"tenderly","ms":{"p50":328.333,"p90":339.667,"p99":377,"mean":331.427},"successRate":99.9884,"sampleSize":8628.61}],"sparkline":[15.4804,14.6986,13.825,13.4417,12.8764,12.5139,12.0112,11.7872,11.7887,12.0397,11.7871,11.465,11.0972,11.2014,11.2847,11.57,11.7745,12.098,12.1542,12.3464,12.5032,12.5658,12.5069,12.5125,12.8458,13.3347,13.6347,13.8667,14.1028,14.3875,14.5833,14.8625,15.0681,15.3431,15.1819,15.1958,15.1931,15.4261,15.7409,16.0234,16.5792,16.7306,18.7847,18.3792,18.3292,16.1889,16.0819,16.1056,15.7819,15.6958,15.5458,15.9583,16.3264,16.4472,17.1641,17.5086,17.8193,17.6437,18.8917,19.7111,21.0224,20.5726,20.5639,19.9458,19.9444,19.9736,19.8278,20.1778,20.0069,19.9917,19.5986,18.9333,18.0893],"sampleSize":34495.44,"asOf":"2026-07-04T18:00:19.869Z","headline":"Soneium leads rpc latency at 15 ms (p50, 24h) on Fastest free Soneium RPC, live no-key endpoint latency.","quote":"Soneium leads rpc latency at 15 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 2026-07-04. 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 2026-07-04}\n}","apa":"OpenChainBench. (2026). Fastest free Soneium RPC, live no-key endpoint latency. Retrieved July 4, 2026, from https://openchainbench.com/benchmarks/soneium-rpc"},"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 15 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\":1,\"method\":\"eth_blockNumber\",\"params\":[]}`. Plain HTTP POST, identical for every endpoint, no API key in any request.","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"}