{"slug":"astar-rpc","title":"Astar Network RPC endpoints: free public URLs by latency","subtitle":"HTTP round-trip latency for eth_getBlockByNumber against every free, no-key public Astar Network RPC endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":47.5424,"leader":{"name":"OnFinality","slug":"onfinality","value":47.5424},"rankings":[{"name":"OnFinality","slug":"onfinality","ms":{"p50":47.5424,"p90":80.8288,"p99":775.556,"mean":84.9145},"successRate":100,"sampleSize":4316.75}],"sparkline":[58.6611,47.634,93.2714,122.972,148.967,104.126,77.6478,56.8885,58.3336,55.5009,49.3512,57.2219,58.7328,60.0985,89.6388,89.2554,90.3163,53.2274,74.5437,94.2119,104.691,82.2347,60.5686,50.8581,55.4236,55.3023,99.7008,129.238,221.228,202.448,168.215,76.7629,50.4443,49.9797,49.245,49.9849,52.2565,53.433,84.0615,85.74,85.7229,61.0098,68.8228,67.7612,58.7462,84.1399,101.927,102.176,67.3381,51.0653,56.6843,57.1836,56.0395,97.8544,101.602,105.467,60.0383,56.303,52.911,66.3006,108.974,108.805,92.9162,49.3646,48.4833,48.791,80.1932,80.3047,87.6037,60.3612,63.9955,137.951,195.902],"sampleSize":8634.5,"asOf":"2026-09-21T14:06:33.175Z","freshness":{"asOf":"2026-09-21T14:06:33.175Z","ageHours":0.1,"stale":false},"measured":1,"headline":"OnFinality is the only free public Astar Network RPC endpoint measured, at 48 ms (p50, 24h, 3 regions).","quote":"OnFinality is the only free public Astar Network RPC endpoint measured, at 48 ms (p50, 24h, 3 regions). Source: OpenChainBench (https://openchainbench.com/benchmarks/astar-rpc).","cite":{"plain":"OpenChainBench. \"Astar Network RPC endpoints: free public URLs by latency\". Retrieved 2026-09-21. https://openchainbench.com/benchmarks/astar-rpc","bibtex":"@misc{ocb_astar_rpc,\n  author = {OpenChainBench},\n  title  = {Astar Network RPC endpoints: free public URLs by latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/astar-rpc},\n  note   = {Retrieved 2026-09-21}\n}","apa":"OpenChainBench. (2026). Astar Network RPC endpoints: free public URLs by latency. Retrieved September 21, 2026, from https://openchainbench.com/benchmarks/astar-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Astar Network RPC endpoints: free public URLs by latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/astar-rpc\r\nY2  - 2026-09-21\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/astar-rpc","ogImage":"https://openchainbench.com/api/og/astar-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 Astar Network-scoped view of the same harness, with the same exclusion rules.","Chain scope: every query on this page is pinned to `chain=\"astar\"`. Provider coverage: 1 no-key public-read endpoints live today, each listed with its URL in the endpoints table on this page. PublicNode returned 404; BlastAPI DNS is dead."],"license":"CC-BY-4.0"}