{"slug":"canto-rpc","title":"Fastest free Canto RPC, live no-key endpoint latency","subtitle":"HTTP round-trip latency for eth_getBlockByNumber against the free, no-key public Canto RPC endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":148.687,"leader":{"name":"Canto Official","slug":"canto-official","value":148.687},"rankings":[{"name":"Canto Official","slug":"canto-official","ms":{"p50":148.687,"p90":166.884,"p99":438.836,"mean":157.128},"successRate":99.9768,"sampleSize":4316.84}],"sparkline":[149.97,148.202,147.134,145.973,146.842,146.33,153.105,152.366,152.193,149.972,150.264,150.562,151.398,150.573,150.607,151.585,153.252,155.693,155.672,155.217,154.581,154.603,156.366,158.832,159.035,158.521,155.788,151.044,158.15,158.406,159.674,156.309,155.143,179.042,183.736,187.654,164.049,160.973,164.511,166.898,163.728,157.106,153.155,153.812,153.9,153.484,153.403,154.422,155.694,155.486,155.235,158.834,167.187,171.942,176.997,176.363,182.396,174.353,163.88,158.215,160.133,158.146,151.17,146.233,146.419,146.171,146.002,145.423,145.388,145.138,145.657,145.827,151.59],"sampleSize":4316.84,"asOf":"2026-09-18T20:29:00.962Z","headline":"Canto Official posts the lowest rpc latency at 149 ms (p50, 24h) on Fastest free Canto RPC, live no-key endpoint latency.","quote":"Canto Official posts the lowest rpc latency at 149 ms (p50, 24h) on Fastest free Canto RPC, live no-key endpoint latency. Source: OpenChainBench (https://openchainbench.com/benchmarks/canto-rpc).","cite":{"plain":"OpenChainBench. \"Fastest free Canto RPC, live no-key endpoint latency\". Retrieved 2026-09-18. https://openchainbench.com/benchmarks/canto-rpc","bibtex":"@misc{ocb_canto_rpc,\n  author = {OpenChainBench},\n  title  = {Fastest free Canto RPC, live no-key endpoint latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/canto-rpc},\n  note   = {Retrieved 2026-09-18}\n}","apa":"OpenChainBench. (2026). Fastest free Canto RPC, live no-key endpoint latency. Retrieved September 18, 2026, from https://openchainbench.com/benchmarks/canto-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Fastest free Canto RPC, live no-key endpoint latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/canto-rpc\r\nY2  - 2026-09-18\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/canto-rpc","ogImage":"https://openchainbench.com/api/og/canto-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: client-side round-trip delta in milliseconds, exposed as both a gauge and a histogram (buckets 50 ms → 10 s), so percentiles are computed via Prometheus `quantile_over_time` over the last 24 hours.","Call-result classification: `ok` (HTTP 200 + non-empty result), `http_err`, `jsonrpc_err` (HTTP 200 carrying an error body), `stale` (more than 20 blocks behind the cross-provider tip), `timeout`.","This page is part of the per-chain RPC cluster derived from the cross-chain [rpc-capabilities](https://openchainbench.com/benchmarks/rpc-capabilities) benchmark; the identical harness, cadence and exclusion rules apply on every chain.","Chain scope: every query on this page is pinned to `chain=\"canto\"`. Provider coverage: 1 no-key endpoint (Canto Official). dRPC requires an API key; Ankr and PublicNode dropped free Canto support."],"license":"CC-BY-4.0"}