{"slug":"bob-rpc","title":"BOB 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 BOB EVM endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":135.818,"leader":{"name":"BOB","slug":"bob-official","value":135.818},"leaders":[{"name":"BOB","slug":"bob-official","value":135.818}],"rankings":[{"name":"BOB","slug":"bob-official","value":135.818,"unit":"ms","ms":{"p50":135.818,"p90":145.716,"p99":166.014,"mean":137.415},"successRate":100,"sampleSize":4312.75},{"name":"Tenderly","slug":"tenderly","value":152.41,"unit":"ms","ms":{"p50":152.41,"p90":160.342,"p99":171.028,"mean":151.909},"successRate":100,"sampleSize":4318.75},{"name":"dRPC","slug":"drpc","value":422.369,"unit":"ms","ms":{"p50":422.369,"p90":630.898,"p99":1034.03,"mean":439.937},"successRate":99.1184,"sampleSize":4311.75}],"sparkline":[139.116,137.736,137.614,137.753,136.171,137.024,137.515,138.273,139.569,140.86,140.65,140.356,138.7,137.236,135.702,136.065,136.397,136.565,135.905,136.084,135.312,135.191,135.137,135.653,135.129,134.269,133.864,135.961,136.835,137.474,136.177,136.167,135.985,136.758,136.579,136.276,135.638,135.351,135.427,135.531,136.081,136.619,136.817,136.893,136.61,136.879,136.486,136.505,136.275,136.842,138.423,139.735,140.898,139.959,138.654,137.789,138.536,140.142,141.081,141.428,140.946,140.149,139.004,137.412,136.762,136.474,137.972,138.369,138.645,137.858,137.952,138.045,138.402],"sampleSize":17259,"asOf":"2026-11-02T13:18:51.099Z","freshness":{"asOf":"2026-11-02T13:18:51.099Z","ageHours":0.1,"stale":false},"measured":3,"ranked":3,"headline":"BOB has the lowest median latency of the 3 free public BOB RPC endpoints measured, 136 ms (p50, 24h, 3 regions).","quote":"BOB has the lowest median latency of the 3 free public BOB RPC endpoints measured, 136 ms (p50, 24h, 3 regions). Source: OpenChainBench (https://openchainbench.com/benchmarks/bob-rpc).","cite":{"plain":"OpenChainBench. \"BOB RPC endpoints: free public URLs by latency\". Retrieved 2026-11-02. https://openchainbench.com/benchmarks/bob-rpc","bibtex":"@misc{ocb_bob_rpc,\n  author = {OpenChainBench},\n  title  = {BOB RPC endpoints: free public URLs by latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/bob-rpc},\n  note   = {Retrieved 2026-11-02}\n}","apa":"OpenChainBench. (2026). BOB RPC endpoints: free public URLs by latency. Retrieved November 2, 2026, from https://openchainbench.com/benchmarks/bob-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - BOB RPC endpoints: free public URLs by latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/bob-rpc\r\nY2  - 2026-11-02\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/bob-rpc","ogImage":"https://openchainbench.com/api/og/bob-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 BOB-scoped view of the same harness, with the same exclusion rules.","Chain scope: every query on this page is pinned to `chain=\"bob\"`. Provider coverage: 3 no-key endpoints."],"license":"CC-BY-4.0"}