{"slug":"aurora-rpc","title":"Fastest free Aurora RPC, live no-key endpoint latency","subtitle":"HTTP round-trip latency for eth_getBlockByNumber against every free, no-key public Aurora RPC endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":201.167,"leader":{"name":"Aurora Labs","slug":"aurora-official","value":201.167},"rankings":[{"name":"Aurora Labs","slug":"aurora-official","ms":{"p50":201.167,"p90":896,"p99":2598.33,"mean":427.932},"successRate":100,"sampleSize":689.67},{"name":"dRPC","slug":"drpc","ms":{"p50":248,"p90":450.467,"p99":763.287,"mean":311.041},"successRate":82.4635,"sampleSize":690.674}],"sparkline":[556.823,589.686,603.19,490.626,371.946,248.386,233.688,224.078,217.106,381.937,573.858,686.241],"sampleSize":2077.017,"asOf":"2026-08-04T17:12:22.513Z","headline":"Aurora Labs leads rpc latency at 201 ms (p50, 24h) on Fastest free Aurora RPC, live no-key endpoint latency.","quote":"Aurora Labs leads rpc latency at 201 ms (p50, 24h) on Fastest free Aurora RPC, live no-key endpoint latency. Source: OpenChainBench (https://openchainbench.com/benchmarks/aurora-rpc).","cite":{"plain":"OpenChainBench. \"Fastest free Aurora RPC, live no-key endpoint latency\". Retrieved 2026-08-04. https://openchainbench.com/benchmarks/aurora-rpc","bibtex":"@misc{ocb_aurora_rpc,\n  author = {OpenChainBench},\n  title  = {Fastest free Aurora RPC, live no-key endpoint latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/aurora-rpc},\n  note   = {Retrieved 2026-08-04}\n}","apa":"OpenChainBench. (2026). Fastest free Aurora RPC, live no-key endpoint latency. Retrieved August 4, 2026, from https://openchainbench.com/benchmarks/aurora-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Fastest free Aurora RPC, live no-key endpoint latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/aurora-rpc\r\nY2  - 2026-08-04\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/aurora-rpc","ogImage":"https://openchainbench.com/api/og/aurora-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=\"aurora\"`. Provider coverage at launch: 3 no-key endpoints (Aurora Official, dRPC, Ankr)."],"license":"CC-BY-4.0"}