{"slug":"core-rpc","title":"Core Chain RPC endpoints: free public URLs by 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":87.0849,"leader":{"name":"Ankr","slug":"ankr","value":87.0849},"leaders":[{"name":"Ankr","slug":"ankr","value":87.0849}],"rankings":[{"name":"Ankr","slug":"ankr","value":87.0849,"unit":"ms","ms":{"p50":87.0849,"p90":102.876,"p99":230.646,"mean":92.7855},"successRate":85.4204,"sampleSize":4315.88},{"name":"Core DAO","slug":"core-official","value":148.029,"unit":"ms","ms":{"p50":148.029,"p90":186.067,"p99":216.659,"mean":154.882},"successRate":100,"sampleSize":4319.75},{"name":"dRPC","slug":"drpc","value":173.07,"unit":"ms","ms":{"p50":173.07,"p90":357.331,"p99":885.516,"mean":228.611},"successRate":97.2163,"sampleSize":4312.78}],"sparkline":[79.7421,78.8413,80.2278,79.9504,81.916,82.9186,87.3624,88.892,91.4898,97.7797,99.4353,103.124,100.346,104.649,104.713,103.471,103.117,104.544,104.054,102.434,102.578,107.373,108.628,108.851,101.529,98.8141,101.761,99.8241,101.229,91.9157,97.65,88.4204,154.146,103.353,93.4731,91.75,88.8478,91.9418,88.7945,85.1314,82.3783,85.7481,92.4534,94.8064,90.1339,82.5124,79.3183,79.4279,80.7084,80.79,87.0599,90.6604,93.9787,88.3822,89.4978,94.5241,100.867,100.93,94.9267,90.9164,86.7421,84.3821,82.2828,81.1497,81.7068,87.0262],"sampleSize":17266.16,"asOf":"2026-11-02T18:33:21.093Z","freshness":{"asOf":"2026-11-02T18:33:21.093Z","ageHours":0.2,"stale":false},"measured":3,"ranked":3,"headline":"Ankr has the lowest median latency of the 3 free public Core Chain RPC endpoints measured, 87 ms (p50, 24h, 3 regions).","quote":"Ankr has the lowest median latency of the 3 free public Core Chain RPC endpoints measured, 87 ms (p50, 24h, 3 regions). Source: OpenChainBench (https://openchainbench.com/benchmarks/core-rpc).","cite":{"plain":"OpenChainBench. \"Core Chain RPC endpoints: free public URLs by latency\". Retrieved 2026-11-02. https://openchainbench.com/benchmarks/core-rpc","bibtex":"@misc{ocb_core_rpc,\n  author = {OpenChainBench},\n  title  = {Core Chain RPC endpoints: free public URLs by latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/core-rpc},\n  note   = {Retrieved 2026-11-02}\n}","apa":"OpenChainBench. (2026). Core Chain RPC endpoints: free public URLs by latency. Retrieved November 2, 2026, from https://openchainbench.com/benchmarks/core-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Core Chain RPC endpoints: free public URLs by latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/core-rpc\r\nY2  - 2026-11-02\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. The request id rotates, but that does not guarantee a cache miss: many caches normalise `id` away. Measured 2026-10-08, fixed and rotating ids answer within 2 to 4 percent of each other.","Latency measurement, call-result classification (`ok`, `http_err`, `jsonrpc_err`, `stale`, `timeout`) and the archive-depth audit follow the cluster method documented on [rpc-capabilities](https://openchainbench.com/benchmarks/rpc-capabilities#methodology); this page is the Core Chain-scoped view of the same harness, with the same exclusion rules.","Chain scope: every query on this page is pinned to `chain=\"core\"`. Provider coverage: 3 no-key endpoints."],"license":"CC-BY-4.0"}