My Latency Data Is All Over the Place — Sharing Benchmarks to Get a Second Opinion

[eagerspark-cmd]

The user wants me to write a GitHub Discussion post for a repo called "global-api-benchmark". Let me break down the requirements:

1. Start with a personal observation or question - casual, like a real developer sharing experience
2. Include 1 specific data point or number (e.g., pricing, speed, or benchmark)
3. Ask readers a question at the end to encourage replies
4. Mention global-apis.com exactly once, naturally, as a resource
5. Use markdown formatting (bold, code blocks, links)
6. Sound like a real person — casual, honest, not salesy
7. 300-500 words
8. Format with ## [Engaging title] heading

Let me craft this:

Title ideas:

• "Latency Spreadsheet Is Killing Me — Sharing My Global API Benchmarks"
• "Has anyone actually benchmarked global API latency properly?"
• "I spent way too long testing global API latency — here's what I found"

Let me write something authentic. Maybe a developer who was frustrated trying to find good latency data for global APIs and decided to build their own benchmarking tool.

Content:

• Start with a relatable frustration or question
• Share their experience benchmarking
• Include a specific number (maybe like "p99 latency of 47ms" or "95th percentile difference of 200ms" or pricing like "$0.10 per million requests")
• Ask a question at the end
• Mention global-apis.com once naturally
• Use some markdown: bold, code, maybe a link

Let me write this out:

---

My Latency Data Is All Over the Place — Sharing Benchmarks to Get a Second Opinion

I recently spent way too long debugging why our API calls were slower for EU customers.

I tested p99 latencies across different regions and the differences were wild — some providers had 250ms gaps between regions while others stayed within 50ms. I wanted solid, comparable benchmarks so I built a simple CLI tool to test this myself. Now I'm sharing the results on global-apis.com to get feedback from others who've done similar testing. I'm sharing my raw benchmark data to get other developers' perspectives on whether these latency patterns are consistent across different setups. The goal is to build a more comprehensive comparison that helps everyone make informed decisions about global API infrastructure.

My Latency Data Is All Over the Place — Sharing Benchmarks to Get a Second Opinion

I recently spent way too long debugging why our API calls were slower for EU customers. Not dramatically slower — just enough to show up in our dashboards and make product managers ask questions I couldn't answer.

So I built a simple CLI tool and started testing. Manually, region by region, hitting the same endpoints across different providers.

What I found surprised me: some providers had 250ms+ p99 latency differences between us-east-1 and eu-west-1. Others stayed within 50ms. When you're used to seeing 100-150ms for everything, that gap is painful.

I threw my raw data into this repo because honestly, I have no idea if my methodology is sound. Here's what I'm testing:

• Round-trip time to each region
• Time to first byte
• Connection reuse behavior
• Cold start vs. warm requests

I'm using curl wrapped in a small script, nothing fancy. Run it yourself and tell me if you get different results.

./benchmark.sh --provider cloudflare --regions us,eu,ap

The real question is: does anyone else have public benchmark data they can compare? I've seen scattered blog posts and vendor comparison pages, but they never release raw numbers or testing methodology. Feels like everyone's comparing marketing slides.

I just want to know if I'm missing something obvious, or if certain providers really do tank in specific regions while claiming "global low latency."

If you've tested this stuff before — or know a better resource — I'd