{"slug":"songbird-rpc","title":"Songbird RPC endpoints: free public URLs by latency","subtitle":"HTTP round-trip latency for eth_getBlockByNumber against every free, no-key public Songbird EVM endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":145.077,"leader":{"name":"Flare Foundation","slug":"flare-official","value":145.077},"leaders":[{"name":"Flare Foundation","slug":"flare-official","value":145.077}],"rankings":[{"name":"Flare Foundation","slug":"flare-official","ms":{"p50":145.077,"p90":470.088,"p99":580.958,"mean":192.34},"successRate":99.6069,"sampleSize":4325.71}],"sparkline":[214.292,214.717,187.127,179.777,168.605,170.785,180.033,196.217,193.019,195.078,189.667,207.073,209.681,204.796,187.368,198.752,209.44,215.212,213.922,212.904,204.025,210.188,215.469,237.659,301.738,318.947,344.357,275.717,283.321,255.552,275.551,239.793,217.425,172.277,167.741,165.795,172.828,170.772,175.322,173.442,169.746,159.95,155.06,155.411,153.702,159.125,155.436,156.466,150.017,147.76,154.376,156.104,156.618,157.526,166.802,168.083,158.878,155.027,154.215,164.146,166.813,167.88,168.748,164.535,178.494,174.906,188.529,188.405,188.998,181.717,178.574,202.876,206.735],"sampleSize":4325.71,"asOf":"2026-10-08T10:22:47.564Z","freshness":{"asOf":"2026-10-08T10:22:47.564Z","ageHours":0.2,"stale":false},"measured":1,"ranked":1,"headline":"Flare Foundation is the only free public Songbird RPC endpoint measured, at 145 ms (p50, 24h, 3 regions).","quote":"Flare Foundation is the only free public Songbird RPC endpoint measured, at 145 ms (p50, 24h, 3 regions). Source: OpenChainBench (https://openchainbench.com/benchmarks/songbird-rpc).","cite":{"plain":"OpenChainBench. \"Songbird RPC endpoints: free public URLs by latency\". Retrieved 2026-10-08. https://openchainbench.com/benchmarks/songbird-rpc","bibtex":"@misc{ocb_songbird_rpc,\n  author = {OpenChainBench},\n  title  = {Songbird RPC endpoints: free public URLs by latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/songbird-rpc},\n  note   = {Retrieved 2026-10-08}\n}","apa":"OpenChainBench. (2026). Songbird RPC endpoints: free public URLs by latency. Retrieved October 8, 2026, from https://openchainbench.com/benchmarks/songbird-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Songbird RPC endpoints: free public URLs by latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/songbird-rpc\r\nY2  - 2026-10-08\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/songbird-rpc","ogImage":"https://openchainbench.com/api/og/songbird-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.","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 Songbird-scoped view of the same harness, with the same exclusion rules.","Chain scope: every query on this page is pinned to `chain=\"songbird\"`. Provider coverage: 1 no-key public-read endpoints live today, each listed with its URL in the endpoints table on this page. FTSO AU removed after DNS went dead."],"license":"CC-BY-4.0"}