{"slug":"b2-rpc","title":"Fastest free B² Network RPC, live no-key endpoint latency","subtitle":"HTTP round-trip latency for eth_getBlockByNumber against every free, no-key public B² Network RPC endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":241.89,"leader":{"name":"B² Network Official","slug":"b2-official","value":241.89},"leaders":[{"name":"B² Network Official","slug":"b2-official","value":241.89}],"rankings":[{"name":"B² Network Official","slug":"b2-official","ms":{"p50":241.89,"p90":367.926,"p99":437.736,"mean":228.547},"successRate":100,"sampleSize":4319.72},{"name":"dRPC","slug":"drpc","ms":{"p50":336.244,"p90":688.362,"p99":782.58,"mean":393.522},"successRate":99.46730000000001,"sampleSize":4318.72}],"sparkline":[212.628,221.522,231.289,238.26,227.333,221.185,220.307,232.415,237.81,228.585,225.971,231.895,231.787,234.052,226.411,229.414,233.516,227.803,230.286,219.259,225.502,226.194,224.373,224.089,215.945,214.772,212.286,221.731,227.258,229.444,232.649,239.554,247.764,242.04,237.698,233.433,234.402,222.712,221.241,214.635,232.443,234.076,246.103,230.988,222.06,209.795,213.896,219.424,222.046,217.752,219.061,221.744,227.507,232.922,229.212,224.928,221.99,218.749,223.661,222.112,226.108,234.825,242.64,248.311,238.657,231.869,229.52,228.666,229.086,234.977,238.176,238.743,229.607],"sampleSize":12959.16,"asOf":"2026-10-06T15:38:47.671Z","freshness":{"asOf":"2026-10-06T15:38:47.671Z","ageHours":0.1,"stale":false},"measured":2,"ranked":2,"headline":"B² Network Official posts the lowest RPC latency at 242 ms (p50, 24h) across 2 ranked providers.","quote":"B² Network Official posts the lowest RPC latency at 242 ms (p50, 24h) across 2 ranked providers. Source: OpenChainBench (https://openchainbench.com/benchmarks/b2-rpc).","cite":{"plain":"OpenChainBench. \"Fastest free B² Network RPC, live no-key endpoint latency\". Retrieved 2026-10-06. https://openchainbench.com/benchmarks/b2-rpc","bibtex":"@misc{ocb_b2_rpc,\n  author = {OpenChainBench},\n  title  = {Fastest free B² Network RPC, live no-key endpoint latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/b2-rpc},\n  note   = {Retrieved 2026-10-06}\n}","apa":"OpenChainBench. (2026). Fastest free B² Network RPC, live no-key endpoint latency. Retrieved October 6, 2026, from https://openchainbench.com/benchmarks/b2-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Fastest free B² Network RPC, live no-key endpoint latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/b2-rpc\r\nY2  - 2026-10-06\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/b2-rpc","ogImage":"https://openchainbench.com/api/og/b2-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 B² Network-scoped view of the same harness, with the same exclusion rules.","Chain scope: every query on this page is pinned to `chain=\"b2\"`. Provider coverage today: 2 no-key endpoints (B² Official, dRPC, Thirdweb)."],"license":"CC-BY-4.0"}