{"slug":"aggregator-head-lag","title":"Fastest crypto price API, live head lag across Mobula, Codex, GeckoTerminal","subtitle":"Wall-clock head lag in seconds from on-chain swap event to API emission, measured live for Mobula, Codex and GeckoTerminal on Base, BNB Chain, Solana and Robinhood Chain.","category":"Aggregators","metric":"Head lag","unit":"s","status":"live","higherIsBetter":false,"filters":null,"value":0.754042,"leader":{"name":"Mobula","slug":"mobula","value":0.754042},"rankings":[{"name":"Mobula","slug":"mobula","ms":{"p50":754.042,"p90":1286.2,"p99":2421.07,"mean":841.577},"successRate":99.6528,"sampleSize":68880},{"name":"Codex","slug":"codex","ms":{"p50":1008.5,"p90":1394.42,"p99":2264.69,"mean":1038.46},"successRate":98.031,"sampleSize":67759},{"name":"GeckoTerminal","slug":"geckoterminal","ms":{"p50":11084.5,"p90":21226.1,"p99":43321,"mean":12889.8},"successRate":99.6528,"sampleSize":68880}],"sparkline":[813.367,807.096,817.763,848.896,865.811,888.574,882.194,828.632,795.1,779.978,832.262,830.648,835.916,820.799,825.729,832.609,822.876,822.094,829.536,824.341,851.075,845.218,879.417,847.59,845.894,802.834,686.296,786.936,806.675,795.987,686.394,651.233,869.27,703.35,891.108,869.125,814.565,788.207,760.089,768.132,786.245,770.228,736.924,744.847,800.068,802.943,845.54,825.77,883.745,846.175,797.212,738.295,775.693,770.887,822.023,836.07,845.753,857.327,824.306,908.88,933.093,969.03,925.025,895.72,856.102,869.159,873.247,866.377,911.548,891.83,904.772,986.97,973.353],"sampleSize":205519,"asOf":"2026-07-29T18:30:44.105Z","headline":"Mobula leads head lag at 0.8 s (p50, 24h) on Fastest crypto price API, live head lag across Mobula, Codex, GeckoTerminal.","quote":"Mobula leads head lag at 0.8 s (p50, 24h) on Fastest crypto price API, live head lag across Mobula, Codex, GeckoTerminal. Source: OpenChainBench (https://openchainbench.com/benchmarks/aggregator-head-lag).","cite":{"plain":"OpenChainBench. \"Fastest crypto price API, live head lag across Mobula, Codex, GeckoTerminal\". Retrieved 2026-07-29. https://openchainbench.com/benchmarks/aggregator-head-lag","bibtex":"@misc{ocb_aggregator_head_lag,\n  author = {OpenChainBench},\n  title  = {Fastest crypto price API, live head lag across Mobula, Codex, GeckoTerminal},\n  year   = {2026},\n  url    = {https://openchainbench.com/benchmarks/aggregator-head-lag},\n  note   = {Retrieved 2026-07-29}\n}","apa":"OpenChainBench. (2026). Fastest crypto price API, live head lag across Mobula, Codex, GeckoTerminal. Retrieved July 29, 2026, from https://openchainbench.com/benchmarks/aggregator-head-lag","ris":"TY  - GEN\r\nAU  - OpenChainBench\r\nTI  - Fastest crypto price API, live head lag across Mobula, Codex, GeckoTerminal\r\nPY  - 2026\r\nUR  - https://openchainbench.com/benchmarks/aggregator-head-lag\r\nY2  - 2026-07-29\r\nER  - \r\n"},"pageUrl":"https://openchainbench.com/benchmarks/aggregator-head-lag","ogImage":"https://openchainbench.com/api/og/aggregator-head-lag","source":"https://github.com/ChainBench/OpenChainBench/tree/main/harnesses/aggregator-head-lag","methodology":["Aggregators measured: Mobula, Codex, GeckoTerminal.","Chains: Base, BNB Chain, Solana, Robinhood Chain.","Regions: us-east, eu-west, sgp. Cross-region median reported in the headline.","Reference: archive nodes per chain, validated against block hashes.","Metric: gauge `head_lag_seconds`, sampled every 15 seconds. Aggregated over the 24-hour window using `quantile_over_time`.","Success rate: presence ratio. Share of expected sampling slots where a value was actually emitted (5,760 expected per provider per day at the 15s cadence). 100% means the aggregator's feed was reachable for the full window.","Cardinality: 3 aggregators × 4 chains × 3 regions = 36 active series."],"license":"CC-BY-4.0"}