---
title: "Get Event Match Quality"
method: GET
path: "/v1/ads/conversions/quality"
tags: ["Conversions"]
---

# Get Event Match Quality

`GET /v1/ads/conversions/quality`

Reads Meta Event Match Quality (EMQ) and pixel↔CAPI event coverage for a
pixel/dataset, live from Meta's Dataset Quality API. Web events only (a
Meta limitation). Meta-only; other platforms return 405. Requires the Ads add-on.

## Query parameters

- `accountId` string, required
- `destinationId` string, required

## Response `200`

Match-quality rows, one per event name.

- object
  - `platform` string
  - `rows` object[]
    - `eventName` string
    - `compositeScore` number — Composite EMQ score, 0-10.
    - `matchKeys` object[]
      - `identifier` string
      - `coveragePercentage` number
    - `eventCoveragePercentage` number — Pixel↔CAPI coverage rate for this event.

## Other responses

- `400` — Invalid request
- `401` — Unauthorized
- `405` — Platform does not expose Event Match Quality (non-Meta).

---

[API](https://skmtc.net/zernio/apis/zernio-api.md) · [All operations](https://skmtc.net/zernio/apis/zernio-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/zernio/zernio-api/revisions/f81ca70ea6b9/schema)