{"slug":"coreum-rpc","title":"Fastest free Coreum RPC, live no-key endpoint latency","subtitle":"HTTP round-trip latency for the Tendermint status method against every free, no-key public Coreum Cosmos SDK endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":190.667,"leader":{"name":"Polkachu","slug":"polkachu","value":190.667},"rankings":[{"name":"Polkachu","slug":"polkachu","ms":{"p50":190.667,"p90":200.333,"p99":374.333,"mean":196.427},"successRate":100,"sampleSize":4317.6},{"name":"PublicNode","slug":"publicnode","ms":{"p50":223.667,"p90":317.333,"p99":617.667,"mean":232.169},"successRate":100,"sampleSize":4317.6},{"name":"Coreum Foundation","slug":"coreum-official","ms":{"p50":702.333,"p90":715,"p99":761,"mean":658.052},"successRate":100,"sampleSize":4316.6}],"sparkline":[196.55,196.204,196.492,198.833,197.365,200.013,199.371,201.854,200.915,199.676,200.575,198.886,196.863,191.579,192.178,191.401,192.101,192.318,194.215,196.042,193.392,192.726,189.696,191.183,191.803,192.695,192.589,195.841,199.837,206.087,205.353,200.739,194.786,197.178,200.806,202.117,196.718,198.199,201.456,201.337,198.535,195.196,196.556,197.51,196.976,195.565,193.21,193.757,194.431,194.35,194.604,196.574,199.924,201.02,198.51,195.209,196.089,196.112,194.436,191.426,193.476,193.625,193.419,193.819,195.867,197.286,195.2,196.158,195.629,196.84,195.629,196.843,195.99],"sampleSize":12951.800000000001,"asOf":"2026-08-08T13:22:47.497Z","headline":"Polkachu leads rpc latency at 191 ms (p50, 24h) on Fastest free Coreum RPC, live no-key endpoint latency.","quote":"Polkachu leads rpc latency at 191 ms (p50, 24h) on Fastest free Coreum RPC, live no-key endpoint latency. Source: OpenChainBench (https://openchainbench.com/benchmarks/coreum-rpc).","cite":{"plain":"OpenChainBench. \"Fastest free Coreum RPC, live no-key endpoint latency\". Retrieved 2026-08-08. https://openchainbench.com/benchmarks/coreum-rpc","bibtex":"@misc{ocb_coreum_rpc,\n  author = {OpenChainBench},\n  title  = {Fastest free Coreum RPC, live no-key endpoint latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/coreum-rpc},\n  note   = {Retrieved 2026-08-08}\n}","apa":"OpenChainBench. (2026). Fastest free Coreum RPC, live no-key endpoint latency. Retrieved August 8, 2026, from https://openchainbench.com/benchmarks/coreum-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Fastest free Coreum RPC, live no-key endpoint latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/coreum-rpc\r\nY2  - 2026-08-08\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/coreum-rpc","ogImage":"https://openchainbench.com/api/og/coreum-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\":\"status\",\"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 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 with a parsable decimal `sync_info.latest_block_height`), `http_err`, `jsonrpc_err`, `stale` (more than 40 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=\"coreum\"`. Provider coverage at launch: 3 no-key endpoints (Polkachu, PublicNode, Coreum Foundation)."],"license":"CC-BY-4.0"}