{"slug":"opbnb-rpc","title":"Fastest free opBNB 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 opBNB EVM endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":74,"leader":{"name":"BNB Chain Team","slug":"opbnb-official","value":74},"rankings":[{"name":"BNB Chain Team","slug":"opbnb-official","ms":{"p50":74,"p90":80.6667,"p99":309.787,"mean":87.3221},"successRate":100,"sampleSize":518.797},{"name":"dRPC","slug":"drpc","ms":{"p50":120.667,"p90":306.667,"p99":416.333,"mean":194.553},"successRate":81.5227,"sampleSize":504.93},{"name":"PublicNode","slug":"publicnode","ms":{"p50":252,"p90":277.033,"p99":493.667,"mean":213.578},"successRate":100,"sampleSize":504.778}],"sparkline":[83.9924,82.7219,86.0688,87.2489,86.0695,86.2213,85.8874,85.279,89.5556],"sampleSize":1528.505,"asOf":"2026-07-24T15:28:14.079Z","headline":"BNB Chain Team leads rpc latency at 74 ms (p50, 24h) on Fastest free opBNB RPC, live no-key EVM endpoint latency.","quote":"BNB Chain Team leads rpc latency at 74 ms (p50, 24h) on Fastest free opBNB RPC, live no-key EVM endpoint latency. Source: OpenChainBench (https://openchainbench.com/benchmarks/opbnb-rpc).","cite":{"plain":"OpenChainBench. \"Fastest free opBNB RPC, live no-key EVM endpoint latency\". Retrieved 2026-07-24. https://openchainbench.com/benchmarks/opbnb-rpc","bibtex":"@misc{ocb_opbnb_rpc,\n  author = {OpenChainBench},\n  title  = {Fastest free opBNB RPC, live no-key EVM endpoint latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/opbnb-rpc},\n  note   = {Retrieved 2026-07-24}\n}","apa":"OpenChainBench. (2026). Fastest free opBNB RPC, live no-key EVM endpoint latency. Retrieved July 24, 2026, from https://openchainbench.com/benchmarks/opbnb-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Fastest free opBNB RPC, live no-key EVM endpoint latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/opbnb-rpc\r\nY2  - 2026-07-24\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/opbnb-rpc","ogImage":"https://openchainbench.com/api/og/opbnb-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 25 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=\"opbnb\"`. Provider coverage at launch: 3 no-key endpoints (BNB Chain Team, PublicNode, dRPC)."],"license":"CC-BY-4.0"}