Update measurement source

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Request

curl -X PATCH https://api.apostra.com/api/v2/buyer/advertisers/12345/measurement-sources/a1b2c3d4-e5f6-7890-abcd-ef1234567890 \
  -H "Authorization: Bearer $SCOPE3_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "status": "paused",
    "signalWeight": 0.5,
    "lagWeeks": 2
  }'

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Parameters

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Response

{
  "id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "advertiserId": "12345",
  "sourceKey": "acme_incr_rev",
  "name": "Acme Incrementality",
  "outcomeType": "incremental_revenue",
  "outcomeTypes": [],
  "granularity": "geo_week",
  "cadence": "weekly",
  "provider": "acme-mmm",
  "lagWeeks": 2,
  "signalWeight": 0.5,
  "status": "paused",
  "vendor": null,
  "vendorMetrics": [],
  "createdAt": "2026-01-15T10:30:00Z",
  "updatedAt": "2026-03-20T14:45:00Z"
}

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Errors

• 400 VALIDATION_ERROR — invalid cadence/status or signalWeight outside 0–1.
• 400 VALIDATION_ERROR — after the update, vendorMetrics would be non-empty without a vendor, would list a metricId twice, or would map a metric to an outcome type the source no longer declares. Changing outcomeType or outcomeTypes is checked against the stored metrics too.
• 404 NOT_FOUND — sourceId (or advertiserId) does not exist or is not visible to the authenticated account.

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