{"slug":"polygon-zkevm-rpc","title":"Polygon zkEVM 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 Polygon zkEVM EVM endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":171.624,"leader":{"name":"Polygon zkEVM","slug":"polygon-zkevm-official","value":171.624},"leaders":[{"name":"Polygon zkEVM","slug":"polygon-zkevm-official","value":171.624}],"rankings":[{"name":"Polygon zkEVM","slug":"polygon-zkevm-official","value":171.624,"unit":"ms","ms":{"p50":171.624,"p90":187.329,"p99":217.438,"mean":173.896},"successRate":99.9537,"sampleSize":4318.75},{"name":"dRPC","slug":"drpc","value":285.301,"unit":"ms","ms":{"p50":285.301,"p90":534.932,"p99":614.909,"mean":304.322},"successRate":99.9768,"sampleSize":4313.75}],"sparkline":[172.478,169.381,164.914,165.694,166.839,170.49,169.166,168.834,168.208,167.758,168.652,168.412,168.777,167.745,168.356,168.509,169.734,172.37,175.582,177.534,177.186,174.676,174.168,173.814,174.178,171.642,169.135,167.909,169.386,170.887,173.136,172.419,172.097,171.016,171.784,172.638,173.761,174.292,175.763,175.155,174.311,173.358,173.511,174.984,175.074,174.223,173.334,173.797,175.783,176.805,177.189,179.233,180.623,182.416,182.749,182.689,182.241,181.423,180.139,178.489,176.395,175.584,175.37,175.812,179.847,179.014,178.553,175.713,177.447,176.78,174.84,173.311,173.553],"sampleSize":12952.25,"asOf":"2026-11-02T21:03:21.097Z","freshness":{"asOf":"2026-11-02T21:03:21.097Z","ageHours":0.1,"stale":false},"measured":2,"ranked":2,"headline":"Polygon zkEVM has the lowest median latency of the 2 free public Polygon zkEVM RPC endpoints measured, 172 ms (p50, 24h, 3 regions).","quote":"Polygon zkEVM has the lowest median latency of the 2 free public Polygon zkEVM RPC endpoints measured, 172 ms (p50, 24h, 3 regions). Source: OpenChainBench (https://openchainbench.com/benchmarks/polygon-zkevm-rpc).","cite":{"plain":"OpenChainBench. \"Polygon zkEVM RPC endpoints: free public URLs by latency\". Retrieved 2026-11-02. https://openchainbench.com/benchmarks/polygon-zkevm-rpc","bibtex":"@misc{ocb_polygon_zkevm_rpc,\n  author = {OpenChainBench},\n  title  = {Polygon zkEVM RPC endpoints: free public URLs by latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/polygon-zkevm-rpc},\n  note   = {Retrieved 2026-11-02}\n}","apa":"OpenChainBench. (2026). Polygon zkEVM RPC endpoints: free public URLs by latency. Retrieved November 2, 2026, from https://openchainbench.com/benchmarks/polygon-zkevm-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Polygon zkEVM RPC endpoints: free public URLs by latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/polygon-zkevm-rpc\r\nY2  - 2026-11-02\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/polygon-zkevm-rpc","ogImage":"https://openchainbench.com/api/og/polygon-zkevm-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 Polygon zkEVM-scoped view of the same harness, with the same exclusion rules.","Chain scope: every query on this page is pinned to `chain=\"polygon-zkevm\"`. Provider coverage: 2 no-key endpoints."],"license":"CC-BY-4.0"}