curl -s -X POST \
  "https://engine.example.com/v1/standing-settlements" \
  -H "Authorization: Bearer $TOKEN" \
  -H "Idempotency-Key: create-standing-settlement-FUND" \
  -H "Content-Type: application/json" \
  -d '{
    "kind": "liquidity-pool",
    "instrumentId": "FUND",
    "amount": 10000,
    "minimum": 10,
    "limit": 5000,
    "window": "PT24H",
    "until": "2026-10-05T13:25:09Z",
    "standingSettlementId": "pool-0001",
    "paymentInstrumentId": "TD"
  }'

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

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

try {
  const answer = await api.createStandingSettlement({
    // Your id for this action: a retry is the same write.
    idempotencyKey: "create-standing-settlement-FUND",
    standingSettlementBody: StandingSettlementBodyFromJSON({
      kind: "liquidity-pool",
      instrumentId: "FUND",
      amount: 10000,
      minimum: 10,
      limit: 5000,
      window: "PT24H",
      until: "2026-10-05T13:25:09Z",
      standingSettlementId: "pool-0001",
      paymentInstrumentId: "TD",
    }),
  });
  if (answer.state === "awaiting") {
    // Awaiting approval: it runs once approved.
    console.log("Awaiting approval:", answer.actionKey);
  } else {
    // Follow the operation until it succeeds or fails.
    console.log("Operation:", answer.operationId, answer.state);
  }
} 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.StandingSettlementsApi(client)
    try:
        answer = api.create_standing_settlement(
            # Your id for this action: a retry is the same write.
            idempotency_key="create-standing-settlement-FUND",
            standing_settlement_body=nodeasset_client.StandingSettlementBody.model_validate({
                "kind": "liquidity-pool",
                "instrumentId": "FUND",
                "amount": 10000,
                "minimum": 10,
                "limit": 5000,
                "window": "PT24H",
                "until": "2026-10-05T13:25:09Z",
                "standingSettlementId": "pool-0001",
                "paymentInstrumentId": "TD",
            }),
        )
        if answer.state == "awaiting":
            # Awaiting approval: it runs once approved.
            print("Awaiting approval:", answer.action_key)
        else:
            # Follow the operation until it succeeds or fails.
            print("Operation:", answer.operation_id, answer.state)
    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.StandingSettlementsApi;
import nodeasset.client.model.Problem;
import nodeasset.client.model.StandingSettlementBody;
import nodeasset.client.model.WriteAnswer;

public class CreateStandingSettlement {
  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")));
    StandingSettlementsApi api = new StandingSettlementsApi(client);

    try {
      var request = StandingSettlementsApi.APICreateStandingSettlementRequest.newBuilder()
          // Your id for this action: a retry is the same write.
          .idempotencyKey("create-standing-settlement-FUND")
          .standingSettlementBody(client.getObjectMapper().readValue("""
              {
                "kind": "liquidity-pool",
                "instrumentId": "FUND",
                "amount": 10000,
                "minimum": 10,
                "limit": 5000,
                "window": "PT24H",
                "until": "2026-10-05T13:25:09Z",
                "standingSettlementId": "pool-0001",
                "paymentInstrumentId": "TD"
              }
              """, StandingSettlementBody.class))
          .build();
      WriteAnswer answer = api.createStandingSettlement(request);
      if (answer.getState() == WriteAnswer.StateEnum.AWAITING) {
        // Awaiting approval: it runs once approved.
        System.out.println("Awaiting approval: " + answer.getActionKey());
      } else {
        // Follow the operation until it succeeds or fails.
        System.out.println("Operation: " + answer.getOperationId() + " " + answer.getState());
      }
    } 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());
    }
  }
}