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Activate an outreach campaign

Activate or resume an existing Instantly or Smartlead campaign. This is a provider-side effect and requires successful provider-effect admission; Smartlead activation also checks required webhook readiness.

POST/api/integrations/{integration}/campaigns/{campaign_id}/activate
HTTP referenceScope integrations:writeUpdated September 27, 2026

This page documents the canonical HTTP contract for this endpoint.

Provider responses vary by account and provider version. The example is abridged and illustrative; omitted provider-specific fields are not a stable schema.

This can start outreach delivery. Verify campaign content, sender pool, and schedule before calling. The response is the provider result object ({ok,status,data}) or a missing-key reason; Smartlead may first configure required webhooks. A 409 or 503 means activation was not confirmed.

Path parameters

  • integrationrequired

    string

    instantly or smartlead.

  • campaign_idrequired

    string

    Provider campaign identifier.

Errors

StatusMeaning
401Authentication is missing or invalid.
403The credential is invalid or lacks the required scope.
400Provider is unsupported or organization context is missing.
409Activation failed or Smartlead webhook readiness is incomplete.
503Provider-effect admission could not be confirmed.

Docs