| --- |
| license: cc-by-4.0 |
| language: |
| - en |
| tags: |
| - finance |
| - cryptocurrency |
| - benchmark |
| - latency |
| - trading |
| - apis |
| pretty_name: Crypto Exchange REST API Latency Benchmark |
| size_categories: |
| - n<1K |
| --- |
| |
| # Crypto Exchange REST API Latency Benchmark |
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| Open, reproducible latency benchmark for the public REST APIs of major crypto exchanges: Coinbase, Kraken, Gemini, Crypto.com, Bitfinex, and KuCoin. |
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| **Live site and full context: [fillbench.com/exchange-api-latency](https://fillbench.com/exchange-api-latency)** |
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| ## How it is measured |
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| Each run holds one persistent keep-alive HTTPS connection per exchange, warms it up, then times back-to-back GET requests to a small public market-data endpoint (no API keys, no auth, no orders). The one-time TLS handshake is timed separately as `connect_ms` and kept out of the request latency. Any non-200 or error is excluded from the stats and counted separately. |
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| Every run executes from the same fixed US East server. That fixed vantage point is the point: it keeps the comparison between exchanges stable from run to run instead of drifting with whatever cloud region hosted the test. Read the numbers as a fair relative ranking from one consistent US vantage point. Full method: [fillbench.com/methodology](https://fillbench.com/methodology). |
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| ## Fields |
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| Per venue, per run: `min / p50 / p95 / p99 / max / mean` request latency in milliseconds, TLS `connect_ms`, `samples_ok`, `errors`, and a US-reachability flag. `history.json` holds a rolling daily p50/p95 time series per venue. |
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| ## Cadence |
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| The benchmark reruns every 2 hours. This mirror is refreshed daily. The freshest single run is always at [fillbench.com/data/latency-latest.json](https://fillbench.com/data/latency-latest.json). |
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| ## License and attribution |
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| Released under [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/). Free to use, share, and build on, including commercially, with credit. |
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| Attribution: Latency data by FillBench (https://fillbench.com), CC BY 4.0. |
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| Cite as: FillBench. "Crypto Exchange REST API Latency Benchmark." https://fillbench.com/exchange-api-latency |
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