{"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":191.667,"leader":{"name":"Polkachu","slug":"polkachu","value":191.667},"rankings":[{"name":"Polkachu","slug":"polkachu","ms":{"p50":191.667,"p90":224,"p99":422,"mean":204.829},"successRate":100,"sampleSize":437.514},{"name":"PublicNode","slug":"publicnode","ms":{"p50":281.5,"p90":504,"p99":580.02,"mean":272.293},"successRate":100,"sampleSize":435.515},{"name":"Coreum Foundation","slug":"coreum-official","ms":{"p50":577,"p90":598,"p99":732.667,"mean":569.104},"successRate":100,"sampleSize":435.516}],"sparkline":[227.756,214.349,211.875,204.074,199.96,196.762,195.539,201.602,205.028,289.603,212.125],"sampleSize":1308.545,"asOf":"2026-08-04T22:31:53.743Z","headline":"Polkachu leads rpc latency at 192 ms (p50, 24h) on Fastest free Coreum RPC, live no-key endpoint latency.","quote":"Polkachu leads rpc latency at 192 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 2026-08-04. 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 2026-08-04}\n}","apa":"OpenChainBench. (2026). Fastest free Coreum RPC, live no-key endpoint latency. Retrieved August 4, 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  - 2026-08-04\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"}