{"slug":"moonriver-rpc","title":"Fastest free Moonriver RPC, live no-key EVM endpoint latency","subtitle":"HTTP round-trip latency for the `eth_getBlockByNumber(\\\"latest\\\", false)` method against every free, no-key public Moonriver EVM endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":5,"leader":{"name":"UnitedBloc","slug":"unitedbloc","value":5},"rankings":[{"name":"UnitedBloc","slug":"unitedbloc","ms":{"p50":5,"p90":83.2,"p99":481.867,"mean":36.4411},"successRate":89.7542,"sampleSize":620.086},{"name":"OnFinality","slug":"onfinality","ms":{"p50":63.3333,"p90":358.667,"p99":1434.33,"mean":151.754},"successRate":100,"sampleSize":613.601},{"name":"PublicNode","slug":"publicnode","ms":{"p50":141,"p90":308.333,"p99":634,"mean":178.377},"successRate":100,"sampleSize":619.604},{"name":"Moonbeam Foundation","slug":"moonriver-official","ms":{"p50":188,"p90":511,"p99":545,"mean":276.152},"successRate":100,"sampleSize":630.612}],"sparkline":[255.756,196.925,118.031,81.2278,64.866,38.973,23.9636,8.08194,8.21111,10.3,10.335],"sampleSize":2483.9030000000002,"asOf":"2026-08-04T01:22:40.378Z","headline":"UnitedBloc leads rpc latency at 5 ms (p50, 24h) on Fastest free Moonriver RPC, live no-key EVM endpoint latency.","quote":"UnitedBloc leads rpc latency at 5 ms (p50, 24h) on Fastest free Moonriver RPC, live no-key EVM endpoint latency. Source: OpenChainBench (https://openchainbench.com/benchmarks/moonriver-rpc).","cite":{"plain":"OpenChainBench. \"Fastest free Moonriver RPC, live no-key EVM endpoint latency\". Retrieved 2026-08-04. https://openchainbench.com/benchmarks/moonriver-rpc","bibtex":"@misc{ocb_moonriver_rpc,\n  author = {OpenChainBench},\n  title  = {Fastest free Moonriver RPC, live no-key EVM endpoint latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/moonriver-rpc},\n  note   = {Retrieved 2026-08-04}\n}","apa":"OpenChainBench. (2026). Fastest free Moonriver RPC, live no-key EVM endpoint latency. Retrieved August 4, 2026, from https://openchainbench.com/benchmarks/moonriver-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Fastest free Moonriver RPC, live no-key EVM endpoint latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/moonriver-rpc\r\nY2  - 2026-08-04\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/moonriver-rpc","ogImage":"https://openchainbench.com/api/og/moonriver-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 rotating id defeats edge caches that would answer a bare head query 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 with a parsable hex block number), `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.","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=\"moonriver\"`. Provider coverage: 4 no-key endpoints."],"license":"CC-BY-4.0"}