{"slug":"celo-rpc","title":"Fastest free Celo RPC, live no-key endpoint latency","subtitle":"HTTP round-trip latency for eth_getBlockByNumber against every free, no-key public Celo RPC endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":198.705,"leader":{"name":"Celo (Forno)","slug":"celo-official","value":198.705},"rankings":[{"name":"Celo (Forno)","slug":"celo-official","ms":{"p50":198.705,"p90":246.707,"p99":599.08,"mean":217.627},"successRate":99.4208,"sampleSize":4316.84},{"name":"dRPC","slug":"drpc","ms":{"p50":223.559,"p90":364.373,"p99":995.743,"mean":288.765},"successRate":82.1867,"sampleSize":4317.84},{"name":"PublicNode","slug":"publicnode","ms":{"p50":258.595,"p90":459.949,"p99":1875.23,"mean":282.829},"successRate":98.9795,"sampleSize":4314.86},{"name":"Tenderly","slug":"tenderly","ms":{"p50":329.186,"p90":342.759,"p99":367.726,"mean":330.671},"successRate":100,"sampleSize":4312.84}],"sparkline":[205.774,211.369,212.428,213.829,212.572,212.137,209.374,210.076,222.099,229.377,243.481,232.225,228.38,218.264,217.664,220.349,216.627,222.592,216.099,215.92,213.252,216.17,223.809,221.294,221.976,213.136,214.093,215.468,218.388,213.925,215.474,222.245,230.733,229.969,231.671,231.208,232.969,228.398,230.762,229.152,234.405,226.773,220.703,210.531,207.385,213.316,212.187,217.473,210.803,208.575,204.203,203.172,206.311,205.622,207.923,203.25,201.581,202.273,203.727,206.881,204.649,207.33,204.327,219.807,229.977,237.073,227.168,220.388,217.849,215.248,213.43,216.859,220.541],"sampleSize":17262.38,"asOf":"2026-08-22T03:12:48.315Z","headline":"Celo (Forno) posts the lowest rpc latency at 199 ms (p50, 24h) on Fastest free Celo RPC, live no-key endpoint latency.","quote":"Celo (Forno) posts the lowest rpc latency at 199 ms (p50, 24h) on Fastest free Celo RPC, live no-key endpoint latency. Source: OpenChainBench (https://openchainbench.com/benchmarks/celo-rpc).","cite":{"plain":"OpenChainBench. \"Fastest free Celo RPC, live no-key endpoint latency\". Retrieved 2026-08-22. https://openchainbench.com/benchmarks/celo-rpc","bibtex":"@misc{ocb_celo_rpc,\n  author = {OpenChainBench},\n  title  = {Fastest free Celo RPC, live no-key endpoint latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/celo-rpc},\n  note   = {Retrieved 2026-08-22}\n}","apa":"OpenChainBench. (2026). Fastest free Celo RPC, live no-key endpoint latency. Retrieved August 22, 2026, from https://openchainbench.com/benchmarks/celo-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Fastest free Celo RPC, live no-key endpoint latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/celo-rpc\r\nY2  - 2026-08-22\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/celo-rpc","ogImage":"https://openchainbench.com/api/og/celo-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. Non-cacheable by design: the latest-header fetch with a rotating id defeats edge caches that answer eth_blockNumber without touching a node.","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`. Latency without reliability is a misleading ranking signal.","Archive depth: every 5 minutes we issue `eth_getBalance` at (head − depth) for depths from Geth's default pruned cap up to 5M blocks, exposing which free endpoints actually serve historical state.","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, methodology and exclusion rules apply on every chain.","Chain scope: every query on this page is pinned to chain=\"celo\". Provider coverage: 4 no-key endpoints (PublicNode, dRPC, Tenderly, Celo (Forno)). Exclusions follow the cluster-wide rules documented on the parent benchmark."],"license":"CC-BY-4.0"}