---
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
- `404` — The account or requested resource was not found or is not accessible. An account ID may have been disconnected and removed. Read GET /v1/accounts for current account IDs.
- `405` — Platform does not expose Event Match Quality (non-Meta).
- `409` — The account exists but is inactive or needs reconnection. Reconnect it, then read GET /v1/accounts for its current account ID before retrying. Code: ads_connection_required.

## Changes

- **2026-09-16** `3e6ddf2a99ea` — 3 info
  - added the optional property `details/budgetScope` to the response with the `400` status
  - added the optional property `details/budgetScope` to the response with the `404` status
  - added the optional property `details/budgetScope` to the response with the `409` status
- **2026-09-15** `0dba7d004d75` — 6 info
  - added the optional property `details/quotaExhausted` to the response with the `400` status
  - added the optional property `details/quotaExhausted` to the response with the `404` status
  - added the optional property `details/quotaExhausted` to the response with the `409` status
  - added the optional property `details/quotaScope` to the response with the `400` status
  - …2 more
- **2026-09-10** `e70ed06e7150` — 2 info
  - added the non-success response with the status `404`
  - added the non-success response with the status `409`

[Change history](https://skmtc.dev/zernio/apis/zernio-api/changes/v1/ads/conversions/quality/get.md)

---

[API](https://skmtc.dev/zernio/apis/zernio-api.md) · [All operations](https://skmtc.dev/zernio/apis/zernio-api/llms.txt) · [OpenAPI document](https://skmtc.dev/zernio/apis/zernio-api/revisions/106013ac73b8?raw)