Create an outbound call. The agent will dial the specified number on startup. Outbound calling is restricted to approved accounts. If your account is not approved, this endpoint may return 403.
Bearer token authentication. Use your API key as the bearer token. Format: Authorization: Bearer
Agent ID to make the outbound call
Phone number to dial
Optional runtime dynamic variables as a flat object of string, number, or boolean values
Optional runtime config overrides. Supports a limited AgentConfig-shaped subset under agent_overrides.