Automated Speech Recognition

For full details on creating and updating campaigns via the API, see Advertiser Campaigns.

Manage speech recognition for campaigns

Speech recognition can be set for a campaign to determine whether or not the caller may respond verbally to prompts in the IVR. When set to true, the caller can respond both verbally and with keypresses.

Set Speech Recognition

To enable speech recognition for a campaign, set "asr_enabled" to true. POST

https://invoca.net/api/@@CAMPAIGN_FEATURES_API_VERSION/<network_id>/advertisers/<advertiser_id_from_network>/advertiser_campaigns/<advertiser_campaign_id_from_network>.json

Example Request Body

{
  "ivr_tree": {
    "asr_enabled": true,
    "root": {
      "node_type": "YesOrNo",
      "prompt": "Are you having a good day?",
      "children": [
        {
          "node_type": "Connect",
          "destination_phone_number": "8007381560",
          "destination_country_code": "1"
        },
        {
          "node_type": "Connect",
          "destination_phone_number": "8007381560",
          "destination_country_code": "1"
        }
      ]
    }
  }
}

Last modified on August 18, 2026