Identity Provider API, gRPC: UserService.ResolveExternalIds

Written by

Updated at August 8, 2025

Resolves external IDs to internal user IDs.

gRPC request

{
  "userpool_id": "string",
  "external_ids": [
    "string"
  ]
}

Request to resolve external IDs to internal user IDs.

Field

Description

userpool_id

string

Required field. ID of the userpool to resolve external IDs in.

external_ids[]

string

List of external IDs to resolve.

{
  "resolved_users": [
    {
      "user_id": "string",
      "external_id": "string",
      "userpool_id": "string"
    }
  ]
}

Field

Description

resolved_users[]

List of resolved users.

Information about a resolved user.

Field	Description
user_id	string Internal user ID.
external_id	string External identifier.
userpool_id	string ID of the userpool the user belongs to.