---
title: "TCP Latency Test: Measure TCP connect latency to any host…"
canonical: "https://openvibe.tools/tool/latency"
updated: null
---

# TCP Latency Test: Measure TCP connect latency to any host…

HTML: [TCP Latency Test: Measure TCP connect latency to any host…](https://openvibe.tools/tool/latency)

# TCP Latency Test

Opens a TCP connection to the host on port 443 ten times from the OpenVibe server (one location) and reports each connect time with the minimum, average, maximum and loss. It measures the network path only, not how long the web server takes to answer.

- **Limits** No file upload · Up to 120 runs a day
- **Where it runs** Runs on our server; no file is uploaded.
- **Cost** Free, with the limits above. No account needed.

 [Open TCP Latency Test](https://latency.openvibe.tools/) 

## Where to find it

Every address below opens the same tool. The first address is the one to bookmark and share.

- [latency.openvibe.tools](https://latency.openvibe.tools/)Primary

## People also call this

**What it's for:** Measure TCP connect latency to any host from our server: how long a connection to port 443 takes, repeated ten times to show the spread. No install.

- latency test
- response time test
- tcp latency
- connect time test
- network latency check

## Use it from code

- `POST https://openvibe.tools/api/v1/tools/latency/run`
- Needs a token with `tools.net.probe`, granted to partners only; people use the page.
- It answers with the result.

~~~~
curl -X POST https://openvibe.tools/api/v1/tools/latency/run \
  -H 'Authorization: Bearer $OPENVIBE_TOKEN' \
  -H 'Content-Type: application/json' \
  -d '{"input":{"target":"example.com"}}'
~~~~

Inputs: [JSON Schema](/api/v1/tools/latency/schema) · [OpenAPI](/api/v1/openapi.json) · from JavaScript: `tools.run("latency", …)` in [openvibe-sdk](https://github.com/OpenVibers/OpenVibe.SDK) · [How the API works](/developers)

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5 links

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