Updates a phone number's routing and settings; fields you omit keep their current values. Routing changes regenerate and reload the number's routing, and sending destination_actions at all — even with values identical to the current ones — claims manual routing ownership and detaches the number from the call flow it belonged to. domain_uuid, provider_uuid, provider_verified, destination_enabled and domain_name are ignored without an error. If a step after the write fails, a rollback is attempted and the response says whether it succeeded. Every change is recorded in the number's history. Changing the number, its prefix or its match pattern is an identity change: if the result would point at a phone number another account already routes, the request is refused with 403 and nothing is saved. Submitting those fields with the values they already hold is not an identity change and saves normally.
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401Missing or invalid API key.
