{"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":144.682,"leader":{"name":"Flare Foundation","slug":"flare-official","value":144.682},"leaders":[{"name":"Flare Foundation","slug":"flare-official","value":144.682}],"rankings":[{"name":"Flare Foundation","slug":"flare-official","ms":{"p50":144.682,"p90":465.956,"p99":578.027,"mean":198.654},"successRate":99.6528,"sampleSize":4320.72}],"sparkline":[156.487,158.22,152.858,159.607,157.347,159.407,147.319,155.302,166.447,174.89,177.454,179.319,172.507,163.644,156.349,173.847,185.234,189.799,185.363,188.511,181.81,181.216,175.944,188.424,178.695,179.824,173.704,180.571,187.361,185.933,179.827,163.153,168.171,185.54,186.097,195.038,194.129,198.292,189.107,171.41,187.744,200.251,218.482,247.282,241.575,244.641,211.648,219.978,203.569,202.062,191.163,222.76,246.043,295.212,291.127,302.46,291.958,279.134,253.371,251.359,296.256,296.328,276.149,223.857,200.504,169.779,160.819,165.061,183.673,182.197,176.818,152.051,157.637],"sampleSize":4320.72,"asOf":"2026-10-07T01:06:47.687Z","freshness":{"asOf":"2026-10-07T01:06:47.687Z","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 2026-10-07. 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 2026-10-07}\n}","apa":"OpenChainBench. (2026). Songbird RPC endpoints: free public URLs by latency. Retrieved October 7, 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  - 2026-10-07\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"}