curl -s \
  "https://engine.example.com/v1/holders/alpha/attribute-versions?limit=100" \
  -H "Authorization: Bearer $TOKEN"
# Send each page's next back as after, until null.

// A client from OpenAPI Generator: see Build a client.
import {
  Configuration,
  HoldersApi,
  ProblemFromJSON,
  ResponseError,
} from "./nodeasset-client";

const api = new HoldersApi(new Configuration({
  basePath: "https://engine.example.com",
  accessToken: process.env.TOKEN,
}));

try {
  // Send each page's next back as after, until null.
  let after: string | undefined;
  do {
    const page = await api.listHolderAttributeVersions({ holderId: "alpha", limit: 100, after });
    for (const holderAttributeVersion of page.value ?? []) {
      console.log(holderAttributeVersion);
    }
    after = page.next ?? undefined;
  } while (after);
} catch (e) {
  if (!(e instanceof ResponseError)) throw e;
  // A refusal is a problem; its type ends in the slug.
  const problem = ProblemFromJSON(await e.response.json());
  const slug = problem.type.split(":").pop();
  console.error(e.response.status, slug, problem.detail);
}

# A client from OpenAPI Generator: see Build a client.
import os
import sys

import nodeasset_client

config = nodeasset_client.Configuration(
    host="https://engine.example.com",
    access_token=os.environ["TOKEN"],
)
with nodeasset_client.ApiClient(config) as client:
    api = nodeasset_client.HoldersApi(client)
    try:
        # Send each page's next back as after, until null.
        after = None
        while True:
            page = api.list_holder_attribute_versions(holder_id="alpha", limit=100, after=after)
            for holder_attribute_version in page.value or []:
                print(holder_attribute_version)
            after = page.next
            if after is None:
                break
    except nodeasset_client.ApiException as e:
        # A refusal is a problem; its type ends in the slug.
        problem = nodeasset_client.Problem.from_json(e.body)
        slug = problem.type.rsplit(":", 1)[-1]
        print(e.status, slug, problem.detail, file=sys.stderr)

// A client from OpenAPI Generator: see Build a client.
import nodeasset.client.ApiClient;
import nodeasset.client.ApiException;
import nodeasset.client.api.HoldersApi;
import nodeasset.client.model.Problem;

public class ListHolderAttributeVersions {
  public static void main(String[] args) throws Exception {
    ApiClient client = new ApiClient();
    client.updateBaseUri("https://engine.example.com");
    client.setRequestInterceptor(builder ->
        builder.header("Authorization", "Bearer " + System.getenv("TOKEN")));
    HoldersApi api = new HoldersApi(client);

    try {
      // Send each page's next back as after, until null.
      String after = null;
      do {
        var request = HoldersApi.APIListHolderAttributeVersionsRequest.newBuilder()
            .holderId("alpha")
            .limit(100)
            .after(after)
            .build();
        var page = api.listHolderAttributeVersions(request);
        for (var holderAttributeVersion : page.getValue()) {
          System.out.println(holderAttributeVersion);
        }
        after = page.getNext();
      } while (after != null);
    } catch (ApiException e) {
      // A refusal is a problem; its type ends in the slug.
      Problem problem = client.getObjectMapper()
          .readValue(e.getResponseBody(), Problem.class);
      String type = problem.getType();
      String slug = type.substring(type.lastIndexOf(':') + 1);
      System.err.println(e.getCode() + " " + slug + " " + problem.getDetail());
    }
  }
}

{
  "offset": 0,
  "now": "2026-10-03T13:26:06.152290781Z",
  "value": [
    {
      "version": 2,
      "holderId": "alpha",
      "attributes": {
        "residency": {
          "value": "SG",
          "state": "verified",
          "expiresAt": "2027-10-01T00:00:00Z",
          "proofHash": "sha256:71bb0d85eaa3ef967532c1362a20fed032d5889aa1cdd659e18a61485aefde94",
          "evidence": "kyc/alpha/residency"
        },
        "investorType": {
          "value": "professional",
          "state": "verified",
          "expiresAt": null,
          "proofHash": "sha256:99104191dccbd729f5ee8dd91329ceb2be83da5eec4358e7e33c410e2882ad96",
          "evidence": "kyc/alpha/investor-type"
        },
        "accreditation": null
      },
      "recordedAt": "2026-10-03T13:22:41.508812Z",
      "maker": "operator-1",
      "makerName": "Olive Park",
      "makerEmail": "olive.park@venue.example",
      "makerRole": "operator",
      "signers": [
        {
          "sub": "approver-1",
          "name": "Ann Kim",
          "email": "ann.kim@venue.example",
          "signedAt": "2026-10-03T13:22:41.497205Z"
        }
      ],
      "operationId": "op-2b8e1c5d-4f3a-4d6e-9a7b-1c2d3e4f5a6b",
      "actionKey": "holder.set-attributes-3f9c2a7e1b5d4c8a6e0f2b1d"
    },
    {
      "version": 1,
      "holderId": "alpha",
      "attributes": {
        "residency": {
          "value": "SG",
          "state": "pending",
          "expiresAt": null,
          "proofHash": null,
          "evidence": "kyc/alpha/residency"
        },
        "investorType": null,
        "accreditation": null
      },
      "recordedAt": "2026-10-03T13:21:07.115930Z",
      "maker": "operator-1",
      "makerName": "Olive Park",
      "makerEmail": "olive.park@venue.example",
      "makerRole": "operator",
      "signers": [
        {
          "sub": "approver-1",
          "name": "Ann Kim",
          "email": "ann.kim@venue.example",
          "signedAt": "2026-10-03T13:21:07.102448Z"
        }
      ],
      "operationId": "op-7d1f0e2c-8b3a-4e5f-a6c7-d8e9f0a1b2c3",
      "actionKey": "holder.onboard-0c4e8a2f6b1d3e5a7c9f0b2d"
    }
  ],
  "next": null
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "requestId": "<string>",
  "gate": "<string>",
  "check": "<string>",
  "recovery": "<string>",
  "retryAfter": 123,
  "retryable": true,
  "packageName": "<string>",
  "party": "<string>",
  "contractId": "<string>",
  "projectionOffset": 123,
  "ledgerEnd": 123,
  "code": 123,
  "reason": "<string>",
  "policyVersion": 123,
  "errors": [
    {
      "pointer": "<string>",
      "detail": "<string>"
    }
  ]
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "requestId": "<string>",
  "gate": "<string>",
  "check": "<string>",
  "recovery": "<string>",
  "retryAfter": 123,
  "retryable": true,
  "packageName": "<string>",
  "party": "<string>",
  "contractId": "<string>",
  "projectionOffset": 123,
  "ledgerEnd": 123,
  "code": 123,
  "reason": "<string>",
  "policyVersion": 123,
  "errors": [
    {
      "pointer": "<string>",
      "detail": "<string>"
    }
  ]
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "requestId": "<string>",
  "gate": "<string>",
  "check": "<string>",
  "recovery": "<string>",
  "retryAfter": 123,
  "retryable": true,
  "packageName": "<string>",
  "party": "<string>",
  "contractId": "<string>",
  "projectionOffset": 123,
  "ledgerEnd": 123,
  "code": 123,
  "reason": "<string>",
  "policyVersion": 123,
  "errors": [
    {
      "pointer": "<string>",
      "detail": "<string>"
    }
  ]
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "requestId": "<string>",
  "gate": "<string>",
  "check": "<string>",
  "recovery": "<string>",
  "retryAfter": 123,
  "retryable": true,
  "packageName": "<string>",
  "party": "<string>",
  "contractId": "<string>",
  "projectionOffset": 123,
  "ledgerEnd": 123,
  "code": 123,
  "reason": "<string>",
  "policyVersion": 123,
  "errors": [
    {
      "pointer": "<string>",
      "detail": "<string>"
    }
  ]
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "requestId": "<string>",
  "gate": "<string>",
  "check": "<string>",
  "recovery": "<string>",
  "retryAfter": 123,
  "retryable": true,
  "packageName": "<string>",
  "party": "<string>",
  "contractId": "<string>",
  "projectionOffset": 123,
  "ledgerEnd": 123,
  "code": 123,
  "reason": "<string>",
  "policyVersion": 123,
  "errors": [
    {
      "pointer": "<string>",
      "detail": "<string>"
    }
  ]
}