## Properties

`externalIdType`stringrequired

A universal type (registered via POST /schemas/identity-link-types) or a source-declared type. Never 'domain'.

`externalIdValue`stringrequired

`source`string

Explicit source stamp. Optional for a universal type (defaults to 'manual'); required only when the type is declared by 2+ sources and needs disambiguating.

`confidence`numbermin 0 · max 1

0-1. Defaults to 1.0.

## Example

AckdbAddIdentityLinkRequest exampleCOPY

```
{
  "externalIdType": "duns_number",
  "externalIdValue": "123456789",
  "source": "manual",
  "confidence": 1
}
```