{"slug":"sei-rpc","title":"Fastest free Sei 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 Sei EVM endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":84.6667,"leader":{"name":"Sei Labs","slug":"sei-official","value":84.6667},"rankings":[{"name":"Sei Labs","slug":"sei-official","ms":{"p50":84.6667,"p90":95.6667,"p99":282.513,"mean":90.7227},"successRate":100,"sampleSize":3683.69},{"name":"Stakeme","slug":"stakeme","ms":{"p50":196,"p90":1481.8,"p99":3243.56,"mean":469.982},"successRate":99.72760000000001,"sampleSize":3677.71}],"sparkline":[93.6322,91.5196,90.4924,85.9746,82.6682,79.975,79.1153,78.4083,77.8944,77.7542,77.225,78.5036,80.6781,83.0558,83.1892,83.3737,85.9854,86.5955,86.8944,84.5667,84.9667,83.6949,81.9362,83.4759,83.0738,84.5457,82.1263,82.7861,82.8528,83.5431,85.1653,86.6569,87.4847,87.9986,91.3139,93.4264,94.2972,90.4458,89.2361,87.5944,88.1722,88.2028,88.9458,88.8361,94.3583,106.874,108.271,103.956,95.7306,99.5222,100.063,95.7889,107.07,105.096,110.884,104.887,117.287,114.903,107.229,99.577,102.625,101.594],"sampleSize":14675.79,"asOf":"2026-07-27T11:46:37.645Z","headline":"Sei Labs leads rpc latency at 85 ms (p50, 24h) on Fastest free Sei RPC, live no-key EVM endpoint latency.","quote":"Sei Labs leads rpc latency at 85 ms (p50, 24h) on Fastest free Sei RPC, live no-key EVM endpoint latency. Source: OpenChainBench (https://openchainbench.com/benchmarks/sei-rpc).","cite":{"plain":"OpenChainBench. \"Fastest free Sei RPC, live no-key EVM endpoint latency\". Retrieved 2026-07-27. https://openchainbench.com/benchmarks/sei-rpc","bibtex":"@misc{ocb_sei_rpc,\n  author = {OpenChainBench},\n  title  = {Fastest free Sei RPC, live no-key EVM endpoint latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/sei-rpc},\n  note   = {Retrieved 2026-07-27}\n}","apa":"OpenChainBench. (2026). Fastest free Sei RPC, live no-key EVM endpoint latency. Retrieved July 27, 2026, from https://openchainbench.com/benchmarks/sei-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Fastest free Sei RPC, live no-key EVM endpoint latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/sei-rpc\r\nY2  - 2026-07-27\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/sei-rpc","ogImage":"https://openchainbench.com/api/og/sei-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 25 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=\"sei\"`. Provider coverage at launch: 4 no-key endpoints."],"license":"CC-BY-4.0"}