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API

Create an audience

Makes a new, empty audience and returns it with its id. `name` is trimmed and must then be 1 to 120 characters. `description` is optional free text for whoever reads the list later. Names are not checked for duplicates, because an audience is addressed by its id.

POST/audiences

Runs the real call on your workspace.

POST /audiences

Makes a new, empty audience and returns it with its id. name is trimmed and must then be 1 to 120 characters. description is optional free text for whoever reads the list later. Names are not checked for duplicates, because an audience is addressed by its id.

Example

Needs audiences:write.

curl
curl -X POST "$OE/audiences" -H "$AUTH" -H 'content-type: application/json' -d '{  "name": "Product updates",  "description": "Customers who asked to hear about releases"}'
Response
{  "object": "audience",  "id": "aud_4c1b8e2a7d9f05c36b4e8a71",  "name": "Product updates",  "description": "Customers who asked to hear about releases",  "builtin": null,  "contactCount": 0,  "lastContactAt": null,  "createdAt": "2026-09-18T09:10:00.000Z",  "updatedAt": "2026-09-18T09:10:00.000Z"}

builtin is never accepted from the body. Exactly one row per workspace carries it and the server owns that row.

A workspace holds 100 audiences by default. The next one is refused with 422 workspace_limit_reached, and support can raise the limit for a workspace that needs more.

Fill it with the add routes, one contact at a time or up to 200 in one call, for contacts already in the book, or with the import route, which creates the contacts it does not find.

Reference