Get measurement source

GET /api/v2/buyer/advertisers/{advertiserId}/measurement-sources/{sourceId} Returns the full configuration for one measurement source.

Request

curl https://api.interchange.io/api/v2/buyer/advertisers/12345/measurement-sources/a1b2c3d4-e5f6-7890-abcd-ef1234567890 \
  -H "Authorization: Bearer $SCOPE3_API_KEY"

Parameters

Field	Type	Required	Notes
`advertiserId`	string	Yes	Path parameter — the owning advertiser
`sourceId`	string	Yes	Path parameter — the source ID returned at creation

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": 1,
  "signalWeight": 1,
  "status": "active",
  "createdAt": "2026-01-15T10:30:00Z",
  "updatedAt": "2026-01-15T10:30:00Z"
}

Errors

404 NOT_FOUND — sourceId (or advertiserId) does not exist or is not visible to the authenticated account.

See Errors for the full error contract.

Measurement tasks

All measurement operations

Measurement overview

Pipeline, belief state, and concepts

Update measurement source

Change source settings

Get measurement freshness Get test cohort

⌘I

Getting Started

Advertisers

Campaigns

Product Discovery

Webhooks

Creatives

Signals & Brand

Audiences & Inventory

Measurement & Conversions

Reporting & Activity

Planning & Governance

Connections

Account & Billing

Request

Parameters

Response

Errors

Measurement tasks

Measurement overview

Update measurement source

​Request

​Parameters

​Response

​Errors

​Related

Measurement tasks

Measurement overview

Update measurement source

Request

Parameters

Response

Errors

Related