{"slug":"zcash-rpc","title":"Fastest free Zcash RPC, live no-key endpoint latency","subtitle":"HTTP round-trip latency for getblockcount against every available public Zcash endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":181.053,"leader":{"name":"Tatum","slug":"tatum","value":181.053},"rankings":[{"name":"Tatum","slug":"tatum","ms":{"p50":181.053,"p90":202.974,"p99":291.873,"mean":188.623},"successRate":88.7945,"sampleSize":2240.6},{"name":"Tatum (Zebra)","slug":"tatum-zebra","ms":{"p50":190.845,"p90":361.205,"p99":421.874,"mean":237.806},"successRate":86.264,"sampleSize":2235.61},{"name":"Blockchair","slug":"blockchair","ms":{"p50":266.768,"p90":280.756,"p99":1058.91,"mean":315.153},"successRate":100,"sampleSize":2277.61}],"sparkline":[201.861,194.107,193.673,189.481,247.05,243.868,244.037,206.459,207.423,208.732,187.843,186.02,184.507,201.683,202.589,200.622,181.748,180.202,179.77,179.967,182.661,195.822,188.766,187.547,184.084,183.855,182.023,181.858,180.608,181.54,182.417,182.017,181.774,182.657,183.239,184.941,182.833,186.142,188.458],"sampleSize":6753.82,"asOf":"2026-08-27T22:28:13.367Z","headline":"Tatum posts the lowest rpc latency at 181 ms (p50, 24h) on Fastest free Zcash RPC, live no-key endpoint latency.","quote":"Tatum posts the lowest rpc latency at 181 ms (p50, 24h) on Fastest free Zcash RPC, live no-key endpoint latency. Source: OpenChainBench (https://openchainbench.com/benchmarks/zcash-rpc).","cite":{"plain":"OpenChainBench. \"Fastest free Zcash RPC, live no-key endpoint latency\". Retrieved 2026-08-27. https://openchainbench.com/benchmarks/zcash-rpc","bibtex":"@misc{ocb_zcash_rpc,\n  author = {OpenChainBench},\n  title  = {Fastest free Zcash RPC, live no-key endpoint latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/zcash-rpc},\n  note   = {Retrieved 2026-08-27}\n}","apa":"OpenChainBench. (2026). Fastest free Zcash RPC, live no-key endpoint latency. Retrieved August 27, 2026, from https://openchainbench.com/benchmarks/zcash-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Fastest free Zcash RPC, live no-key endpoint latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/zcash-rpc\r\nY2  - 2026-08-27\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/zcash-rpc","ogImage":"https://openchainbench.com/api/og/zcash-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 (Tatum zcashd, Tatum Zebra): {\"jsonrpc\":\"2.0\",\"id\":<rotating>,\"method\":\"getblockcount\",\"params\":[]}. Plain HTTP POST. The result is a decimal integer (block count = current height + 1).","Payload (Blockchair): GET https://api.blockchair.com/zcash/stats. Returns a JSON object with a data.best_block_height field containing the current block height.","Latency: client-side round-trip delta in milliseconds, exposed as both a gauge and a histogram (buckets 50 ms to 10 s), so percentiles are computed via Prometheus quantile_over_time over the last 24 hours.","Call-result classification: ok (parsable block height returned), http_err, jsonrpc_err, stale (block more than 4 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 benchmark; the identical harness, cadence and exclusion rules apply on every chain.","Chain scope: every query on this page is pinned to chain=zcash. Provider coverage at launch: 3 endpoints (Tatum zcashd, Tatum Zebra, Blockchair)."],"license":"CC-BY-4.0"}