{"slug":"mode-rpc","title":"Mode 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 Mode EVM endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":128.61,"leader":{"name":"Mode Labs","slug":"mode-official","value":128.61},"leaders":[{"name":"Mode Labs","slug":"mode-official","value":128.61}],"rankings":[{"name":"Mode Labs","slug":"mode-official","ms":{"p50":128.61,"p90":138.765,"p99":164.424,"mean":132.002},"successRate":100,"sampleSize":4319.75},{"name":"dRPC","slug":"drpc","ms":{"p50":450.453,"p90":775.903,"p99":1304.77,"mean":461.258},"successRate":91.9119,"sampleSize":4315.75}],"sparkline":[126.769,126.631,126.319,126.171,126.568,128.019,128.786,130.031,129.51,130.653,131.907,139.448,138.94,138.186,130.863,130.976,129.563,129.522,129.34,129.627,129.792,130.35,130.492,130.764,131.487,134.836,134.411,133.801,130.412,130.774,130.485,131.066,131.88,132.657,133.196,133.196,133.36,133.519,134.233,134.44,134.362,133.545,133.635,134.676,132.676,137.476,136.388,137.687,145.473,145.021,145.113,130.975,130.218,129.894,130.169,129.987,129.752,130.431,130.545,130.876,130.868,131.212,131.224,130.093,129.926,129.203,129.355,129.096,129.324,129.441,129.16,129.12,128.716],"sampleSize":17261.010000000002,"asOf":"2026-10-25T21:07:20.449Z","freshness":{"asOf":"2026-10-25T21:07:20.449Z","ageHours":0.1,"stale":false},"measured":3,"ranked":2,"headline":"Mode Labs has the lowest median latency of the 2 free public Mode RPC endpoints measured above the 50 % success floor (3 listed), 129 ms (p50, 24h, 3 regions).","quote":"Mode Labs has the lowest median latency of the 2 free public Mode RPC endpoints measured above the 50 % success floor (3 listed), 129 ms (p50, 24h, 3 regions). Source: OpenChainBench (https://openchainbench.com/benchmarks/mode-rpc).","cite":{"plain":"OpenChainBench. \"Mode RPC endpoints: free public URLs by latency\". Retrieved 2026-10-25. https://openchainbench.com/benchmarks/mode-rpc","bibtex":"@misc{ocb_mode_rpc,\n  author = {OpenChainBench},\n  title  = {Mode RPC endpoints: free public URLs by latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/mode-rpc},\n  note   = {Retrieved 2026-10-25}\n}","apa":"OpenChainBench. (2026). Mode RPC endpoints: free public URLs by latency. Retrieved October 25, 2026, from https://openchainbench.com/benchmarks/mode-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Mode RPC endpoints: free public URLs by latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/mode-rpc\r\nY2  - 2026-10-25\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/mode-rpc","ogImage":"https://openchainbench.com/api/og/mode-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 Mode-scoped view of the same harness, with the same exclusion rules.","Chain scope: every query on this page is pinned to `chain=\"mode\"`. Provider coverage today: 3 no-key endpoints."],"license":"CC-BY-4.0"}