{"slug":"abstract-rpc","title":"Abstract 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 Abstract EVM endpoint, audited every 60 seconds from 3 regions.","category":"RPCs","metric":"RPC latency","unit":"ms","status":"live","higherIsBetter":false,"filters":null,"value":146.592,"leader":{"name":"Abstract Foundation","slug":"abstract-official","value":146.592},"leaders":[{"name":"Abstract Foundation","slug":"abstract-official","value":146.592}],"rankings":[{"name":"Abstract Foundation","slug":"abstract-official","value":146.592,"unit":"ms","ms":{"p50":146.592,"p90":238.723,"p99":584.645,"mean":170.109},"successRate":100,"sampleSize":4319.75},{"name":"dRPC","slug":"drpc","value":304.104,"unit":"ms","ms":{"p50":304.104,"p90":562.413,"p99":706.706,"mean":372.91},"successRate":96.59410000000001,"sampleSize":4316.75}],"sparkline":[152.779,155.773,154.448,154.021,157.586,163.443,159.985,159.596,164.711,176.435,171.067,163.369,162.763,205.207,211.879,215.911,172.802,167.404,159.99,164.874,162,169.086,174.227,173.55,174.72,166.443,176.075,160.522,161.552,154.976,168.168,173.178,171.93,160.002,154.447,156.781,159.48,166.204,169.064,176.478,174.468,171.145,171.515,176.39,180.444,200.258,195.204,196.686,204.21,206.509,200.552,198.274,199.277,201.409,166.062,157.195,150.595,152.741,154.733,162.208,164.007,160.248,155.248,155.736,157.856,155.388,153.735,153.548,159.815,154.712,154.154,147.715,150.701],"sampleSize":12954.25,"asOf":"2026-11-02T04:33:51.101Z","freshness":{"asOf":"2026-11-02T04:33:51.101Z","ageHours":0,"stale":false},"measured":2,"ranked":2,"headline":"Abstract Foundation has the lowest median latency of the 2 free public Abstract RPC endpoints measured, 147 ms (p50, 24h, 3 regions).","quote":"Abstract Foundation has the lowest median latency of the 2 free public Abstract RPC endpoints measured, 147 ms (p50, 24h, 3 regions). Source: OpenChainBench (https://openchainbench.com/benchmarks/abstract-rpc).","cite":{"plain":"OpenChainBench. \"Abstract RPC endpoints: free public URLs by latency\". Retrieved 2026-11-02. https://openchainbench.com/benchmarks/abstract-rpc","bibtex":"@misc{ocb_abstract_rpc,\n  author = {OpenChainBench},\n  title  = {Abstract RPC endpoints: free public URLs by latency},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/abstract-rpc},\n  note   = {Retrieved 2026-11-02}\n}","apa":"OpenChainBench. (2026). Abstract RPC endpoints: free public URLs by latency. Retrieved November 2, 2026, from https://openchainbench.com/benchmarks/abstract-rpc","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Abstract RPC endpoints: free public URLs by latency\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/abstract-rpc\r\nY2  - 2026-11-02\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/abstract-rpc","ogImage":"https://openchainbench.com/api/og/abstract-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 Abstract-scoped view of the same harness, with the same exclusion rules.","Chain scope: every query on this page is pinned to `chain=\"abstract\"`. Provider coverage today: 2 no-key endpoints."],"license":"CC-BY-4.0"}