{"slug":"core-rpc","title":"Fastest free Core Chain 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 Core Chain EVM endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":91.7643,"leader":{"name":"Ankr","slug":"ankr","value":91.7643},"rankings":[{"name":"Ankr","slug":"ankr","ms":{"p50":91.7643,"p90":166.628,"p99":253.036,"mean":114.586},"successRate":100,"sampleSize":4311.86},{"name":"dRPC","slug":"drpc","ms":{"p50":113.875,"p90":147.777,"p99":210.002,"mean":124.749},"successRate":98.98010000000001,"sampleSize":4314.87},{"name":"Core DAO","slug":"core-official","ms":{"p50":129.988,"p90":142.345,"p99":191.904,"mean":133.741},"successRate":100,"sampleSize":4320.87}],"sparkline":[115.949,106.991,106.868,110.371,117.808,122.935,116.689,116.447,113.075,115.021,118.135,126.884,135.072,131.758,131.609,128.991,132.612,123.721,116.558,105.515,103.812,105.116,109.891,108.681,102.469,99.034,99.6601,103.448,108.527,107.829,111.363,109.154,108.288,108.221,108.231,114.039,115.63,117.639,117.01,113.302,111.233,105.414,106.337,112.712,123.431,124.273,123.539,118.302,115.182,107.232,100.864,100.733,102.658,107.057,115.737,119.289,123.762,117.65,114.968,120.687,117.841,116.182,107.739,106.855,115.378,118.275,123.947,114.884,114.3,117.471,126.679,124.198,123.095],"sampleSize":17258.46,"asOf":"2026-09-18T17:28:30.959Z","headline":"Ankr posts the lowest rpc latency at 92 ms (p50, 24h) on Fastest free Core Chain RPC, live no-key EVM endpoint latency.","quote":"Ankr posts the lowest rpc latency at 92 ms (p50, 24h) on Fastest free Core Chain RPC, live no-key EVM endpoint latency. Source: OpenChainBench (https://openchainbench.com/benchmarks/core-rpc).","cite":{"plain":"OpenChainBench. \"Fastest free Core Chain RPC, live no-key EVM endpoint latency\". Retrieved 2026-09-18. https://openchainbench.com/benchmarks/core-rpc","bibtex":"@misc{ocb_core_rpc,\n  author = {OpenChainBench},\n  title  = {Fastest free Core Chain RPC, live no-key EVM endpoint latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/core-rpc},\n  note   = {Retrieved 2026-09-18}\n}","apa":"OpenChainBench. (2026). Fastest free Core Chain RPC, live no-key EVM endpoint latency. Retrieved September 18, 2026, from https://openchainbench.com/benchmarks/core-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Fastest free Core Chain RPC, live no-key EVM endpoint latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/core-rpc\r\nY2  - 2026-09-18\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/core-rpc","ogImage":"https://openchainbench.com/api/og/core-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 20 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=\"core\"`. Provider coverage: 4 no-key endpoints."],"license":"CC-BY-4.0"}