Use this endpoint to retrieve the canvass response associated with a given referenceId. A referenceId can only be obtained from a POST request to /people/{vanId}/canvassResponses, with the includeReferenceIdInResponse body parameter set to true. After a successful POST request, it may take up to 30 minutes for the new canvass response record to be created. If you attempt to use this endpoint to retrieve information about a canvass response record within 30 minutes of the initial POST, you may receive a 404: Not Found error response.

Modify a Canvass Response to Update SMS Opt-In Status
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