{"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":184,"leader":{"name":"Canto Official","slug":"canto-official","value":184},"rankings":[{"name":"Canto Official","slug":"canto-official","ms":{"p50":184,"p90":201.333,"p99":539.667,"mean":194.655},"successRate":100,"sampleSize":679.672}],"sparkline":[229.543,200.094,209.227,203.88,200.535,188.428,185.846,187.033,184.936,191.412,196.012,198.932],"sampleSize":679.672,"asOf":"2026-08-04T17:08:52.556Z","headline":"Canto Official leads rpc latency at 184 ms (p50, 24h) on Fastest free Canto RPC, live no-key endpoint latency.","quote":"Canto Official leads rpc latency at 184 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 2026-08-04. 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 2026-08-04}\n}","apa":"OpenChainBench. (2026). Fastest free Canto RPC, live no-key endpoint latency. Retrieved August 4, 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  - 2026-08-04\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"}