{"slug":"celo-rpc","title":"Fastest free Celo RPC, live no-key endpoint latency","subtitle":"HTTP round-trip latency for eth_blockNumber against every free, no-key public Celo RPC endpoint, audited every 15 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"value":13.3333,"leader":{"name":"dRPC","slug":"drpc","value":13.3333},"rankings":[{"name":"dRPC","slug":"drpc","ms":{"p50":13.3333,"p90":23.3333,"p99":60.4167,"mean":17.8574},"successRate":94.876,"sampleSize":8627.61},{"name":"PublicNode","slug":"publicnode","ms":{"p50":79.3333,"p90":87.3333,"p99":188.067,"mean":83.1859},"successRate":100,"sampleSize":8629.61},{"name":"Celo (Forno)","slug":"celo-official","ms":{"p50":194.667,"p90":205.333,"p99":229.183,"mean":193.842},"successRate":100,"sampleSize":8629.61},{"name":"Tenderly","slug":"tenderly","ms":{"p50":326.333,"p90":338,"p99":356.053,"mean":329.417},"successRate":99.9884,"sampleSize":8625.61},{"name":"1RPC","slug":"1rpc","ms":{"p50":476.667,"p90":5275.77,"p99":7201.82,"mean":1377.89},"successRate":1.82137,"sampleSize":8621.63}],"sparkline":[17.858,16.5715,15.6692,14.9124,15.4128,14.5852,14.0831,11.869,11.5064,10.9674,10.8943,11.0346,11.9991,12.0422,12.4986,11.9524,11.8347,11.1056,10.9043,11.1254,11.4793,11.3503,11.3445,11.0397,11.4729,11.8136,12.7815,13.2222,13.4348,13.6038,13.2558,13.8232,14.5819,15.466,16.9485,16.664,16.5635,15.3562,16.2108,16.3801,17.2585,17.3736,17.5645,17.2318,15.9262,16.4715,15.9304,16.0577,15.0383,14.7532,15.5926,17.5844,19.9541,19.3529,17.8308,16.2894,16.1432,16.7217,17.7481,19.3438,24.7744,25.4158,28.0062,24.3799,26.9728,25.2446,24.9207,23.6348,24.4959,67.4932,66.0505,64.4651,18.9149],"sampleSize":43134.07,"asOf":"2026-07-04T17:54:04.866Z","headline":"dRPC leads rpc latency at 13 ms (p50, 24h) on Fastest free Celo RPC, live no-key endpoint latency.","quote":"dRPC leads rpc latency at 13 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 2026-07-04. 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 2026-07-04}\n}","apa":"OpenChainBench. (2026). Fastest free Celo RPC, live no-key endpoint latency. Retrieved July 4, 2026, from https://openchainbench.com/benchmarks/celo-rpc"},"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 15 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\":1,\"method\":\"eth_blockNumber\",\"params\":[]}`. 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`. 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: 5 no-key endpoints (PublicNode, dRPC, 1RPC, Tenderly, Celo (Forno)). Exclusions follow the cluster-wide rules documented on the parent benchmark."],"license":"CC-BY-4.0"}