{"slug":"opbnb-rpc","title":"opBNB RPC endpoints: free public URLs by 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":55.9369,"leader":{"name":"BNB Chain Team","slug":"opbnb-official","value":55.9369},"leaders":[{"name":"BNB Chain Team","slug":"opbnb-official","value":55.9369}],"rankings":[{"name":"BNB Chain Team","slug":"opbnb-official","ms":{"p50":55.9369,"p90":60.6588,"p99":75.3532,"mean":58.3646},"successRate":100,"sampleSize":4342.94},{"name":"PublicNode","slug":"publicnode","ms":{"p50":85.1305,"p90":105.555,"p99":342.038,"mean":91.4224},"successRate":98.6827,"sampleSize":4327.94},{"name":"dRPC","slug":"drpc","ms":{"p50":414.84,"p90":793.376,"p99":1342.35,"mean":446.388},"successRate":98.3826,"sampleSize":4328.94}],"sparkline":[60.5471,61.6482,62.2761,61.9571,61.5671,60.6316,59.4305,58.8517,58.5826,58.701,58.5209,57.1615,57.4813,57.9714,58.0731,57.4546,56.9521,57.9617,56.8634,58.0715,58.3678,58.5006,58.646,58.6154,58.3746,58.2797,58.0779,58.0057,58.0179,56.7194,58.3637,58.6268,58.7119,57.2233,56.1275,56.2818,56.6615,56.642,56.8872,56.8938,57.0271,57.0667,56.9672,56.8352,56.6403,58.5698,59.2038,62.9781,62.0573,62.317,58.3946,57.0538,56.1156,56.0934,56.2057,58.5194,59.8559,61.2762,59.0872,58.0256,59.4555,59.5726,59.4792,56.7447,56.3857,56.3904,56.8012,57.7843,58.4729,59.0714,58.4485,57.6512,59.3811],"sampleSize":12999.82,"asOf":"2026-10-23T01:21:20.437Z","freshness":{"asOf":"2026-10-23T01:21:20.437Z","ageHours":0.1,"stale":false},"measured":3,"ranked":3,"headline":"BNB Chain Team has the lowest median latency of the 3 free public opBNB RPC endpoints measured, 56 ms (p50, 24h, 3 regions).","quote":"BNB Chain Team has the lowest median latency of the 3 free public opBNB RPC endpoints measured, 56 ms (p50, 24h, 3 regions). Source: OpenChainBench (https://openchainbench.com/benchmarks/opbnb-rpc).","cite":{"plain":"OpenChainBench. \"opBNB RPC endpoints: free public URLs by latency\". Retrieved 2026-10-23. https://openchainbench.com/benchmarks/opbnb-rpc","bibtex":"@misc{ocb_opbnb_rpc,\n  author = {OpenChainBench},\n  title  = {opBNB RPC endpoints: free public URLs by latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/opbnb-rpc},\n  note   = {Retrieved 2026-10-23}\n}","apa":"OpenChainBench. (2026). opBNB RPC endpoints: free public URLs by latency. Retrieved October 23, 2026, from https://openchainbench.com/benchmarks/opbnb-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - opBNB RPC endpoints: free public URLs by latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/opbnb-rpc\r\nY2  - 2026-10-23\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. The request id rotates, but that does not guarantee a cache miss: many caches normalise `id` away. Measured 2026-10-08, fixed and rotating ids answer within 2 to 4 percent of each other.","Latency measurement, call-result classification (`ok`, `http_err`, `jsonrpc_err`, `stale`, `timeout`) and the archive-depth audit follow the cluster method documented on [rpc-capabilities](https://openchainbench.com/benchmarks/rpc-capabilities#methodology); this page is the opBNB-scoped view of the same harness, with the same exclusion rules.","Chain scope: every query on this page is pinned to `chain=\"opbnb\"`. Provider coverage today: 3 no-key endpoints."],"license":"CC-BY-4.0"}