{"slug":"flare-rpc","title":"Flare 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 Flare EVM endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":70.6531,"leader":{"name":"Ankr","slug":"ankr","value":70.6531},"leaders":[{"name":"Ankr","slug":"ankr","value":70.6531}],"rankings":[{"name":"Ankr","slug":"ankr","value":70.6531,"unit":"ms","ms":{"p50":70.6531,"p90":121.826,"p99":214.667,"mean":65.3127},"successRate":100,"sampleSize":4320.75},{"name":"Flare Foundation","slug":"flare-official","value":147.877,"unit":"ms","ms":{"p50":147.877,"p90":449.62,"p99":598.026,"mean":195.218},"successRate":99.90719999999999,"sampleSize":4312.75},{"name":"dRPC","slug":"drpc","value":172.919,"unit":"ms","ms":{"p50":172.919,"p90":246.697,"p99":400.188,"mean":198.979},"successRate":99.9768,"sampleSize":4318.75}],"sparkline":[63.0582,60.8804,62.0678,56.751,58.3052,57.3126,59.1466,63.0289,65.903,66.2108,60.7309,62.7552,62.94,67.7711,67.2339,70.011,65.3031,65.0937,63.1776,69.1065,68.4229,70.3551,68.5551,70.2007,67.9286,68.1069,68.0889,63.3519,60.7013,55.0461,57.4322,53.9198,50.9828,50.5363,54.2528,61.0059,61.1385,58.3338,59.7882,59.4811,57.4104,59.4629,61.9862,65.5062,61.7491,59.7544,58.3933,71.4093,77.0999,80.2297,69.387,65.0834,62.2283,61.8808,63.5368,63.4893,63.7229,65.0759,71.8412,73.2295,69.1341,62.4605,62.8229,63.4539,64.2964,66.3622,66.578,68.777,63.1965,65.792,66.1694,69.3519,76.7056],"sampleSize":17270,"asOf":"2026-11-02T18:33:51.106Z","freshness":{"asOf":"2026-11-02T18:33:51.106Z","ageHours":0.2,"stale":false},"measured":3,"ranked":3,"headline":"Ankr has the lowest median latency of the 3 free public Flare RPC endpoints measured, 71 ms (p50, 24h, 3 regions).","quote":"Ankr has the lowest median latency of the 3 free public Flare RPC endpoints measured, 71 ms (p50, 24h, 3 regions). Source: OpenChainBench (https://openchainbench.com/benchmarks/flare-rpc).","cite":{"plain":"OpenChainBench. \"Flare RPC endpoints: free public URLs by latency\". Retrieved 2026-11-02. https://openchainbench.com/benchmarks/flare-rpc","bibtex":"@misc{ocb_flare_rpc,\n  author = {OpenChainBench},\n  title  = {Flare RPC endpoints: free public URLs by latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/flare-rpc},\n  note   = {Retrieved 2026-11-02}\n}","apa":"OpenChainBench. (2026). Flare RPC endpoints: free public URLs by latency. Retrieved November 2, 2026, from https://openchainbench.com/benchmarks/flare-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Flare RPC endpoints: free public URLs by latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/flare-rpc\r\nY2  - 2026-11-02\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/flare-rpc","ogImage":"https://openchainbench.com/api/og/flare-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 Flare-scoped view of the same harness, with the same exclusion rules.","Chain scope: every query on this page is pinned to `chain=\"flare\"`. Provider coverage: 3 no-key endpoints."],"license":"CC-BY-4.0"}