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POST
/
v1
/
sessions
/
flows
/
{flowId}
/
create
curl -X POST https://api.whatabot.app/api/v1/sessions/flows/{flowId}/create \
  -H "X-Api-Key: wh_your_api_key"

{
  "sessionId": "550e8400-e29b-41d4-a716-446655440000",
  "status": "active",
  "expiresAt": "2025-01-15T10:30:00.000Z"
}
Create a new conversation session for the specified flow. The flow engine begins processing from the Start node and delivers the initial response to the callback URL configured on the API key.
​
X-Api-Key
string
required
Your API key (prefixed with wh_).
​
flowId
string
required
The UUID of the flow to start.

​
Body

​
variables
object
Initial values for flow variables. Keys must match variable names created in the editor.
curl -X POST https://api.whatabot.app/api/v1/sessions/flows/{flowId}/create \
  -H "X-Api-Key: wh_your_api_key"

{
  "sessionId": "550e8400-e29b-41d4-a716-446655440000",
  "status": "active",
  "expiresAt": "2025-01-15T10:30:00.000Z"
}
The flow response is not returned in the HTTP response body. It is delivered asynchronously to the callbackUrl configured on your API key via Webhook.