{"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":49.9561,"leader":{"name":"PublicNode","slug":"publicnode","value":49.9561},"rankings":[{"name":"PublicNode","slug":"publicnode","ms":{"p50":49.9561,"p90":65.4584,"p99":142.547,"mean":54.3116},"successRate":100,"sampleSize":4318.84},{"name":"Coreum Foundation","slug":"coreum-official","ms":{"p50":294.918,"p90":352.698,"p99":406.081,"mean":309.112},"successRate":100,"sampleSize":4317.84}],"sparkline":[53.391,52.9666,53.2263,54.8477,55.3106,56.0251,58.36,58.4324,57.0038,53.2812,53.8547,53.4022,55.7191,55.2679,56.6055,55.3951,55.1003,56.6039,56.3591,56.4481,54.8795,55.9797,57.729,58.9063,58.1551,56.8038,55.5044,56.5643,57.7886,58.4738,58.3778,57.0211,56.299,55.635,55.7691,58.6585,60.6747,64.9384,60.8696,58.6454,63.939,62.1063,64.0242,53.7381,54.3268,53.0091,56.2872,57.7318,55.7182,51.1548,50.5018,50.1831,51.6157,50.3488,51.8473,50.969,52.9102,51.8166,50.3331,49.9076,50.5969,50.6973,48.1001,48.0887,47.6244,49.672,46.8648,47.3359,46.0456,47.1068,47.103,47.4339,47.2567],"sampleSize":17269.36,"asOf":"2026-09-19T02:21:30.957Z","headline":"PublicNode posts the lowest rpc latency at 50 ms (p50, 24h) on Fastest free Coreum RPC, live no-key endpoint latency.","quote":"PublicNode posts the lowest rpc latency at 50 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 2026-09-19. 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 2026-09-19}\n}","apa":"OpenChainBench. (2026). Fastest free Coreum RPC, live no-key endpoint latency. Retrieved September 19, 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  - 2026-09-19\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"}