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Triggered after the customer completes signup and the subscription is created. Nomos then initiates supplier switching: cancelling the previous supplier and registering with the grid operator. If lead is set, the customer signed up from an existing lead.

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Response body parameters

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id
string
required
Unique event identifier (starts with evt_).
​
timestamp
string
required
ISO 8601 timestamp when the event was created.
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topic
literal
required
Always subscription.created for this event.
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context
object
required
Event-specific data containing related resource IDs.
{
  "id": "evt_abc123def456ghi789jkl012",
  "timestamp": "2026-01-15T10:30:00.000Z",
  "topic": "subscription.created",
  "context": {
    "subscription": "sub_abc123def456ghi789jkl012",
    "lead": "lead_abc123def456ghi789jkl012"
  }
}