{"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":74.3029,"leader":{"name":"BNB Chain Team","slug":"opbnb-official","value":74.3029},"rankings":[{"name":"BNB Chain Team","slug":"opbnb-official","ms":{"p50":74.3029,"p90":76.3726,"p99":283.74,"mean":77.7827},"successRate":100,"sampleSize":4319.75},{"name":"dRPC","slug":"drpc","ms":{"p50":193.798,"p90":316.848,"p99":831.969,"mean":208.825},"successRate":89.34689999999999,"sampleSize":4318.75},{"name":"PublicNode","slug":"publicnode","ms":{"p50":242.558,"p90":266.306,"p99":347.56,"mean":185.323},"successRate":100,"sampleSize":4320.75}],"sparkline":[77.4393,77.3527,77.3349,77.1654,77.0258,77.3506,77.8288,78.335,78.5411,78.7768,78.4616,78.369,78.2599,78.6678,78.6455,79.1852,78.9607,78.6937,77.8377,75.5616,77.8444,77.4004,77.4421,77.7623,77.291,78.5027,78.5327,78.422,78.5204,78.9876,79.5192,79.8666,79.0121,78.2577,77.6291,77.6673,77.7884,77.909,78.1859,78.0987,77.9974,78.0999,78.1296,77.8809,77.6815,77.9285,78.2205,78.2114,78.1542,78.2664,76.2648,78.574,78.2397,78.3022,78.3558,77.5191,78.3851,75.9802,75.8906,75.6188,75.572,75.484,75.386,75.2395,75.1945,75.5374,77.9751,77.9134,77.6278,77.3826,77.1308,77.1876,77.4561],"sampleSize":12959.25,"asOf":"2026-08-15T09:29:57.686Z","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 2026-08-15. 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 2026-08-15}\n}","apa":"OpenChainBench. (2026). Fastest free opBNB RPC, live no-key EVM endpoint latency. Retrieved August 15, 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  - 2026-08-15\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"}