---
title: "Get Latency Histogram"
method: GET
path: "/v0/latency/histogram/{datacenter}"
tags: ["latency", "log_post_param_vals"]
---

# Get Latency Histogram

`GET /v0/latency/histogram/{datacenter}`

## Path parameters

- `datacenter` string, required

## Query parameters

- `start` string, required
- `end` string, required
- `location` string, required
- `dataset` string, nullable
- `retry` integer

## Response `200`

Successful Response

- LatencyHdrHistogramMessage
  - `location` string, required
  - `datacenter` string, required
  - `dataset` union, required
    - 'GLBX.MDP3' | 'XNAS.ITCH' | 'XBOS.ITCH' | 'XPSX.ITCH' | 'BATS.PITCH' | 'BATY.PITCH' | 'EDGA.PITCH' | 'EDGX.PITCH' | 'XNYS.PILLAR' | 'XCIS.PILLAR' | 'XASE.PILLAR' | 'XCHI.PILLAR' | 'XCIS.BBO' | 'XCIS.TRADES' | 'MEMX.MEMOIR' | 'EPRL.DOM' | 'FINN.NLS' | 'FINY.TRADES' | 'OPRA.PILLAR' | 'DBEQ.BASIC' | 'ARCX.PILLAR' | 'IEXG.TOPS' | 'EQUS.PLUS' | 'XNYS.BBO' | 'XNYS.TRADES' | 'XNAS.QBBO' | 'XNAS.NLS' | 'IFEU.IMPACT' | 'NDEX.IMPACT' | 'EQUS.ALL' | 'XNAS.BASIC' | 'EQUS.SUMMARY' | 'XCIS.TRADESBBO' | 'XNYS.TRADESBBO' | 'EQUS.MINI' | 'IFUS.IMPACT' | 'IFLL.IMPACT' | 'XEUR.EOBI' | 'XEEE.EOBI' | 'XCBF.PITCH' | 'OCEA.MEMOIR' | 'MAIN.CGIF' | 'EQUS.SIP' | 'MSCI.CGIF' | 'FTSE.CGIF' | 'INAV.CGIF' | 'MSTAR.CGIF' | 'CCCY.CGIF' | 'CGI.CGIF' | 'XTKS.FLEX' | 'XTKT.ITCH' | 'XOSE.ITCH'
    - 'ALL_DATASETS'
  - `histogram_blob` string, binary, required
  - `start` string, required
  - `end` string, required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/databento/apis/databento-openapi-specification.md) · [All operations](https://skmtc.net/databento/apis/databento-openapi-specification/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/databento/databento-openapi-specification/versions/08ef3d01f5b8/schema)