{"slug":"oasis-emerald-rpc","title":"Fastest free Oasis Emerald RPC, live no-key endpoint latency","subtitle":"HTTP round-trip latency for eth_getBlockByNumber against every free, no-key public Oasis Emerald RPC endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":245,"leader":{"name":"Oasis Foundation","slug":"oasis-official","value":245},"rankings":[{"name":"Oasis Foundation","slug":"oasis-official","ms":{"p50":245,"p90":555.333,"p99":756.333,"mean":297.048},"successRate":100,"sampleSize":4316.6}],"sparkline":[298.892,296.092,308.464,311.732,319.467,323.856,323.464,308.794,319.603,334.778,348.037,326.456,314.107,312.808,308.14,310.135,311.221,306.368,311.239,338.886,378.303,371.528,333.34,333.972,354.875,358.077,346.498,318.472,353.421,347.522,361.067,327.304,322.049,317.067,339.611,331.779,336.225,312.569,315.111,310.951,306.515,304.128,300.688,318.2,318.36,299.153,274.742,265.149,269.213,268.356,268.742,273.432,289.388,302.259,286.237,262.948,235.436,236.146,241.051,241.549,238.492,234.063,229.682,224.868,222.068,232.19,233.317,231.579,236.467,240.806,242.689,239.418,248.675],"sampleSize":4316.6,"asOf":"2026-08-08T13:27:47.452Z","headline":"Oasis Foundation leads rpc latency at 245 ms (p50, 24h) on Fastest free Oasis Emerald RPC, live no-key endpoint latency.","quote":"Oasis Foundation leads rpc latency at 245 ms (p50, 24h) on Fastest free Oasis Emerald RPC, live no-key endpoint latency. Source: OpenChainBench (https://openchainbench.com/benchmarks/oasis-emerald-rpc).","cite":{"plain":"OpenChainBench. \"Fastest free Oasis Emerald RPC, live no-key endpoint latency\". Retrieved 2026-08-08. https://openchainbench.com/benchmarks/oasis-emerald-rpc","bibtex":"@misc{ocb_oasis_emerald_rpc,\n  author = {OpenChainBench},\n  title  = {Fastest free Oasis Emerald RPC, live no-key endpoint latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/oasis-emerald-rpc},\n  note   = {Retrieved 2026-08-08}\n}","apa":"OpenChainBench. (2026). Fastest free Oasis Emerald RPC, live no-key endpoint latency. Retrieved August 8, 2026, from https://openchainbench.com/benchmarks/oasis-emerald-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Fastest free Oasis Emerald RPC, live no-key endpoint latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/oasis-emerald-rpc\r\nY2  - 2026-08-08\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/oasis-emerald-rpc","ogImage":"https://openchainbench.com/api/og/oasis-emerald-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.","Latency: client-side round-trip delta in milliseconds, exposed as both a gauge and a histogram (buckets 50 ms to 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`.","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=\"oasis-emerald\"`. Provider coverage at launch: 1 no-key endpoint (Oasis Foundation)."],"license":"CC-BY-4.0"}