{
  "info": {
    "_postman_id": "89a51f2a-9ae0-4657-8a46-b24eec1debba",
    "name": "Asynchronous API",
    "description": "This section covers all the Assembly asynchronous APIs.\n\nContact Support:\n Email: support@assemblypayments.com",
    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json",
    "createdAt": "2026-07-28T03:36:54.000Z",
    "updatedAt": "2026-07-28T03:36:54.000Z",
    "lastUpdatedBy": "35240",
    "uid": "35240-89a51f2a-9ae0-4657-8a46-b24eec1debba"
  },
  "item": [
    {
      "name": "items",
      "item": [
        {
          "name": "{id}",
          "item": [
            {
              "name": "make_payment",
              "item": [
                {
                  "name": "Make Payment",
                  "id": "94627d81-b02c-40b8-a811-9a8ec48166a3",
                  "protocolProfileBehavior": {
                    "disableBodyPruning": true
                  },
                  "request": {
                    "method": "PATCH",
                    "header": [
                      {
                        "key": "Content-Type",
                        "value": "application/json"
                      },
                      {
                        "key": "Accept",
                        "value": "application/json"
                      }
                    ],
                    "body": {
                      "mode": "raw",
                      "raw": "{\n  \"account_id\": \"725cc8c0-759b-0138-5d6d-0a58a9feac05\",\n  \"device_id\": \"358277090995038\",\n  \"ip_address\": \"49.192.154.141\",\n  \"wait\": \"15\",\n  \"callback\": \"https%3A%2F%2Fcallback.example.com%2Fassembly%2F%7Bitem%7D%2F%7Baccount%7D%2F%7Buuid%7D\"\n}",
                      "options": {
                        "raw": {
                          "headerFamily": "json",
                          "language": "json"
                        }
                      }
                    },
                    "url": {
                      "raw": "{{baseUrl}}/items/:id/make_payment",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "items",
                        ":id",
                        "make_payment"
                      ],
                      "variable": [
                        {
                          "id": "be78db46-59c2-4b26-895a-d19e2d4dc7b8",
                          "key": "id",
                          "value": "<string>",
                          "description": "(Required) ID of item to apply payment to"
                        }
                      ]
                    },
                    "description": "This endpoint extends the original `make_payment` API endpoint to allow asynchronous processing. Clients may optionally supply a wait parameter to have the server wait up to 30 seconds for a response from internal business systems. If a response has been received in that time, it is returned immediately. Otherwise status information and links are returned. Calling the status link returns the item response if available, status information otherwise. Clients may also optionally supply a callback URL in URL-encoded format. The path parameters `{item}`, `{account}` and `{uuid}` are supported. If a callback is present, the system POSTs the internal business system response to it."
                  },
                  "response": [
                    {
                      "id": "d5887750-940a-4f2a-9eff-bae81b75d254",
                      "name": "Response body contains the item response received within the supplied wait time. Note that the HTTP response code will reflect the internal system response.",
                      "originalRequest": {
                        "method": "PATCH",
                        "header": [
                          {
                            "key": "Content-Type",
                            "value": "application/json"
                          },
                          {
                            "key": "Accept",
                            "value": "application/json"
                          },
                          {
                            "description": "Added as a part of security scheme: basic",
                            "key": "Authorization",
                            "value": "Basic <credentials>"
                          }
                        ],
                        "body": {
                          "mode": "raw",
                          "raw": "{\n  \"account_id\": \"725cc8c0-759b-0138-5d6d-0a58a9feac05\",\n  \"device_id\": \"358277090995038\",\n  \"ip_address\": \"49.192.154.141\",\n  \"wait\": \"15\",\n  \"callback\": \"https%3A%2F%2Fcallback.example.com%2Fassembly%2F%7Bitem%7D%2F%7Baccount%7D%2F%7Buuid%7D\"\n}",
                          "options": {
                            "raw": {
                              "headerFamily": "json",
                              "language": "json"
                            }
                          }
                        },
                        "url": {
                          "raw": "{{baseUrl}}/items/:id/make_payment",
                          "host": [
                            "{{baseUrl}}"
                          ],
                          "path": [
                            "items",
                            ":id",
                            "make_payment"
                          ],
                          "variable": [
                            {
                              "key": "id"
                            }
                          ]
                        }
                      },
                      "status": "OK",
                      "code": 200,
                      "_postman_previewlanguage": "json",
                      "header": [
                        {
                          "key": "Content-Type",
                          "value": "application/json"
                        }
                      ],
                      "cookie": [],
                      "responseTime": null,
                      "body": "{\n  \"items\": {\n    \"id\": \"<string>\",\n    \"name\": \"<string>\",\n    \"description\": \"<string>\",\n    \"created_at\": \"<dateTime>\",\n    \"updated_at\": \"<dateTime>\",\n    \"state\": \"voided\",\n    \"status\": 22300,\n    \"amount\": \"<integer>\",\n    \"payment_type_id\": \"<integer>\",\n    \"currency\": \"<string>\",\n    \"buyer_name\": \"<string>\",\n    \"buyer_email\": \"<email>\",\n    \"buyer_country\": \"<string>\",\n    \"seller_name\": \"<string>\",\n    \"seller_email\": \"<email>\",\n    \"seller_country\": \"<email>\",\n    \"tds_check_state\": \"<email>\",\n    \"batch_state\": \"<string>\",\n    \"invoice_url\": \"<string>\",\n    \"payout_descriptor\": \"<string>\",\n    \"remaining_amount\": \"<integer>\",\n    \"requested_release_amount\": \"<integer>\",\n    \"custom_descriptor\": \"<string>\",\n    \"net_amount\": \"<integer>\",\n    \"chargedback_amount\": \"<integer>\",\n    \"refunded_amount\": \"<integer>\",\n    \"released_amount\": \"<integer>\",\n    \"buyer_fees\": \"<integer>\",\n    \"seller_fees\": \"<integer>\",\n    \"credit_card_fee\": \"<integer>\",\n    \"paypal_fee\": \"<integer>\",\n    \"seller_url\": \"<string>\",\n    \"buyer_url\": \"<string>\",\n    \"direct_debit_fee\": \"<integer>\",\n    \"due_date\": \"<date>\",\n    \"pending_release_amount\": \"<integer>\",\n    \"dynamic_descriptor\": \"<string>\",\n    \"deposit_reference\": \"<string>\",\n    \"promisepay_fee\": \"<integer>\",\n    \"total_outstanding\": \"<integer>\",\n    \"total_amount\": \"<integer>\",\n    \"payment_method\": \"<string>\",\n    \"payment_credit_card_enabled\": \"<boolean>\",\n    \"payment_direct_debit_enabled\": \"<boolean>\",\n    \"related\": {\n      \"buyers\": \"<string>\",\n      \"sellers\": \"<string>\"\n    },\n    \"links\": {\n      \"self\": \"<string>\",\n      \"buyers\": \"<string>\",\n      \"sellers\": \"<string>\",\n      \"status\": \"<string>\",\n      \"fees\": \"<string>\",\n      \"transactions\": \"<string>\",\n      \"batch_transactions\": \"<string>\",\n      \"wire_details\": \"<string>\",\n      \"bpay_details\": \"<string>\",\n      \"tds_checks\": \"<string>\"\n    }\n  }\n}",
                      "createdAt": "2026-07-28T03:36:55.000Z",
                      "updatedAt": "2026-07-28T03:36:55.000Z",
                      "uid": "35240-d5887750-940a-4f2a-9eff-bae81b75d254"
                    },
                    {
                      "id": "9f4c1e55-5c32-44b8-b380-f53c91c4e81a",
                      "name": "Request accepted: Response contains status information and query/callback link.",
                      "originalRequest": {
                        "method": "PATCH",
                        "header": [
                          {
                            "key": "Content-Type",
                            "value": "application/json"
                          },
                          {
                            "key": "Accept",
                            "value": "application/json"
                          },
                          {
                            "description": "Added as a part of security scheme: basic",
                            "key": "Authorization",
                            "value": "Basic <credentials>"
                          }
                        ],
                        "body": {
                          "mode": "raw",
                          "raw": "{\n  \"account_id\": \"725cc8c0-759b-0138-5d6d-0a58a9feac05\",\n  \"device_id\": \"358277090995038\",\n  \"ip_address\": \"49.192.154.141\",\n  \"wait\": \"15\",\n  \"callback\": \"https%3A%2F%2Fcallback.example.com%2Fassembly%2F%7Bitem%7D%2F%7Baccount%7D%2F%7Buuid%7D\"\n}",
                          "options": {
                            "raw": {
                              "headerFamily": "json",
                              "language": "json"
                            }
                          }
                        },
                        "url": {
                          "raw": "{{baseUrl}}/items/:id/make_payment",
                          "host": [
                            "{{baseUrl}}"
                          ],
                          "path": [
                            "items",
                            ":id",
                            "make_payment"
                          ],
                          "variable": [
                            {
                              "key": "id"
                            }
                          ]
                        }
                      },
                      "status": "Accepted",
                      "code": 202,
                      "_postman_previewlanguage": "json",
                      "header": [
                        {
                          "key": "Content-Type",
                          "value": "application/json"
                        }
                      ],
                      "cookie": [],
                      "responseTime": null,
                      "body": "{\n  \"last_updated\": \"<string>\",\n  \"submission_count\": \"<integer>\",\n  \"message\": \"<string>\",\n  \"links\": {\n    \"status\": \"<string>\",\n    \"callbacks\": \"<string>\"\n  }\n}",
                      "createdAt": "2026-07-28T03:36:55.000Z",
                      "updatedAt": "2026-07-28T03:36:55.000Z",
                      "uid": "35240-9f4c1e55-5c32-44b8-b380-f53c91c4e81a"
                    },
                    {
                      "id": "92c992bb-2047-4d47-bc30-c831eea70ed9",
                      "name": "Missing or invalid item ID or account ID",
                      "originalRequest": {
                        "method": "PATCH",
                        "header": [
                          {
                            "key": "Content-Type",
                            "value": "application/json"
                          },
                          {
                            "description": "Added as a part of security scheme: basic",
                            "key": "Authorization",
                            "value": "Basic <credentials>"
                          }
                        ],
                        "body": {
                          "mode": "raw",
                          "raw": "{\n  \"account_id\": \"725cc8c0-759b-0138-5d6d-0a58a9feac05\",\n  \"device_id\": \"358277090995038\",\n  \"ip_address\": \"49.192.154.141\",\n  \"wait\": \"15\",\n  \"callback\": \"https%3A%2F%2Fcallback.example.com%2Fassembly%2F%7Bitem%7D%2F%7Baccount%7D%2F%7Buuid%7D\"\n}",
                          "options": {
                            "raw": {
                              "headerFamily": "json",
                              "language": "json"
                            }
                          }
                        },
                        "url": {
                          "raw": "{{baseUrl}}/items/:id/make_payment",
                          "host": [
                            "{{baseUrl}}"
                          ],
                          "path": [
                            "items",
                            ":id",
                            "make_payment"
                          ],
                          "variable": [
                            {
                              "key": "id"
                            }
                          ]
                        }
                      },
                      "status": "Bad Request",
                      "code": 400,
                      "_postman_previewlanguage": "text",
                      "header": [],
                      "cookie": [],
                      "responseTime": null,
                      "body": null,
                      "createdAt": "2026-07-28T03:36:55.000Z",
                      "updatedAt": "2026-07-28T03:36:55.000Z",
                      "uid": "35240-92c992bb-2047-4d47-bc30-c831eea70ed9"
                    },
                    {
                      "id": "d3eade90-40a6-47f8-86fb-d6969190b20c",
                      "name": "Invalid authentication header",
                      "originalRequest": {
                        "method": "PATCH",
                        "header": [
                          {
                            "key": "Content-Type",
                            "value": "application/json"
                          },
                          {
                            "description": "Added as a part of security scheme: basic",
                            "key": "Authorization",
                            "value": "Basic <credentials>"
                          }
                        ],
                        "body": {
                          "mode": "raw",
                          "raw": "{\n  \"account_id\": \"725cc8c0-759b-0138-5d6d-0a58a9feac05\",\n  \"device_id\": \"358277090995038\",\n  \"ip_address\": \"49.192.154.141\",\n  \"wait\": \"15\",\n  \"callback\": \"https%3A%2F%2Fcallback.example.com%2Fassembly%2F%7Bitem%7D%2F%7Baccount%7D%2F%7Buuid%7D\"\n}",
                          "options": {
                            "raw": {
                              "headerFamily": "json",
                              "language": "json"
                            }
                          }
                        },
                        "url": {
                          "raw": "{{baseUrl}}/items/:id/make_payment",
                          "host": [
                            "{{baseUrl}}"
                          ],
                          "path": [
                            "items",
                            ":id",
                            "make_payment"
                          ],
                          "variable": [
                            {
                              "key": "id"
                            }
                          ]
                        }
                      },
                      "status": "Unauthorized",
                      "code": 401,
                      "_postman_previewlanguage": "text",
                      "header": [],
                      "cookie": [],
                      "responseTime": null,
                      "body": null,
                      "createdAt": "2026-07-28T03:36:55.000Z",
                      "updatedAt": "2026-07-28T03:36:55.000Z",
                      "uid": "35240-d3eade90-40a6-47f8-86fb-d6969190b20c"
                    },
                    {
                      "id": "2c0ddc39-3af3-4813-a593-1d490710ebaa",
                      "name": "Duplicate request conflict",
                      "originalRequest": {
                        "method": "PATCH",
                        "header": [
                          {
                            "key": "Content-Type",
                            "value": "application/json"
                          },
                          {
                            "description": "Added as a part of security scheme: basic",
                            "key": "Authorization",
                            "value": "Basic <credentials>"
                          }
                        ],
                        "body": {
                          "mode": "raw",
                          "raw": "{\n  \"account_id\": \"725cc8c0-759b-0138-5d6d-0a58a9feac05\",\n  \"device_id\": \"358277090995038\",\n  \"ip_address\": \"49.192.154.141\",\n  \"wait\": \"15\",\n  \"callback\": \"https%3A%2F%2Fcallback.example.com%2Fassembly%2F%7Bitem%7D%2F%7Baccount%7D%2F%7Buuid%7D\"\n}",
                          "options": {
                            "raw": {
                              "headerFamily": "json",
                              "language": "json"
                            }
                          }
                        },
                        "url": {
                          "raw": "{{baseUrl}}/items/:id/make_payment",
                          "host": [
                            "{{baseUrl}}"
                          ],
                          "path": [
                            "items",
                            ":id",
                            "make_payment"
                          ],
                          "variable": [
                            {
                              "key": "id"
                            }
                          ]
                        }
                      },
                      "status": "Conflict",
                      "code": 409,
                      "_postman_previewlanguage": "text",
                      "header": [],
                      "cookie": [],
                      "responseTime": null,
                      "body": null,
                      "createdAt": "2026-07-28T03:36:55.000Z",
                      "updatedAt": "2026-07-28T03:36:55.000Z",
                      "uid": "35240-2c0ddc39-3af3-4813-a593-1d490710ebaa"
                    },
                    {
                      "id": "dd3eaa7a-21ed-4361-b600-05714494a050",
                      "name": "The end point handling your request has received an interrupt or terminate signal. Please try again.",
                      "originalRequest": {
                        "method": "PATCH",
                        "header": [
                          {
                            "key": "Content-Type",
                            "value": "application/json"
                          },
                          {
                            "description": "Added as a part of security scheme: basic",
                            "key": "Authorization",
                            "value": "Basic <credentials>"
                          }
                        ],
                        "body": {
                          "mode": "raw",
                          "raw": "{\n  \"account_id\": \"725cc8c0-759b-0138-5d6d-0a58a9feac05\",\n  \"device_id\": \"358277090995038\",\n  \"ip_address\": \"49.192.154.141\",\n  \"wait\": \"15\",\n  \"callback\": \"https%3A%2F%2Fcallback.example.com%2Fassembly%2F%7Bitem%7D%2F%7Baccount%7D%2F%7Buuid%7D\"\n}",
                          "options": {
                            "raw": {
                              "headerFamily": "json",
                              "language": "json"
                            }
                          }
                        },
                        "url": {
                          "raw": "{{baseUrl}}/items/:id/make_payment",
                          "host": [
                            "{{baseUrl}}"
                          ],
                          "path": [
                            "items",
                            ":id",
                            "make_payment"
                          ],
                          "variable": [
                            {
                              "key": "id"
                            }
                          ]
                        }
                      },
                      "status": "Service Unavailable",
                      "code": 503,
                      "_postman_previewlanguage": "text",
                      "header": [],
                      "cookie": [],
                      "responseTime": null,
                      "body": null,
                      "createdAt": "2026-07-28T03:36:55.000Z",
                      "updatedAt": "2026-07-28T03:36:55.000Z",
                      "uid": "35240-dd3eaa7a-21ed-4361-b600-05714494a050"
                    }
                  ],
                  "createdAt": "2026-07-28T03:36:55.000Z",
                  "updatedAt": "2026-07-28T03:36:55.000Z",
                  "uid": "35240-94627d81-b02c-40b8-a811-9a8ec48166a3"
                }
              ],
              "id": "5e74dc1a-ecff-4591-be49-7b1dd18bc32e",
              "createdAt": "2026-07-28T03:36:55.000Z",
              "updatedAt": "2026-07-28T03:36:55.000Z",
              "uid": "35240-5e74dc1a-ecff-4591-be49-7b1dd18bc32e"
            }
          ],
          "id": "a54a30c0-ec5e-47eb-aade-68e155655fab",
          "createdAt": "2026-07-28T03:36:55.000Z",
          "updatedAt": "2026-07-28T03:36:55.000Z",
          "uid": "35240-a54a30c0-ec5e-47eb-aade-68e155655fab"
        }
      ],
      "id": "7c99e946-153c-4177-b385-5f78d6dad19e",
      "createdAt": "2026-07-28T03:36:55.000Z",
      "updatedAt": "2026-07-28T03:36:55.000Z",
      "uid": "35240-7c99e946-153c-4177-b385-5f78d6dad19e"
    },
    {
      "name": "request",
      "item": [
        {
          "name": "{request_id}",
          "item": [
            {
              "name": "status",
              "item": [
                {
                  "name": "Get Request Status",
                  "id": "56d64563-d362-4dee-a905-df9b442d9efb",
                  "protocolProfileBehavior": {
                    "disableBodyPruning": true
                  },
                  "request": {
                    "method": "GET",
                    "header": [
                      {
                        "key": "Accept",
                        "value": "application/json"
                      }
                    ],
                    "url": {
                      "raw": "{{baseUrl}}/request/:request_id/status",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "request",
                        ":request_id",
                        "status"
                      ],
                      "variable": [
                        {
                          "id": "3477d60f-f532-4647-b634-28ac281f162c",
                          "key": "request_id",
                          "value": "<string>",
                          "description": "(Required) Assembly-generated unique ID for this request."
                        }
                      ]
                    },
                    "description": "This API is applicable for asynchronous requests submitted to `make_payment` through `tnq.api.assemblypay.com`. It returns the item response if available or current status otherwise."
                  },
                  "response": [
                    {
                      "id": "f189d28a-25a4-435f-a4d9-c14b3917ddf1",
                      "name": "Item response received from internal systems. Note that the HTTP response code will reflect the internal system response.",
                      "originalRequest": {
                        "method": "GET",
                        "header": [
                          {
                            "key": "Accept",
                            "value": "application/json"
                          },
                          {
                            "description": "Added as a part of security scheme: basic",
                            "key": "Authorization",
                            "value": "Basic <credentials>"
                          }
                        ],
                        "url": {
                          "raw": "{{baseUrl}}/request/:request_id/status",
                          "host": [
                            "{{baseUrl}}"
                          ],
                          "path": [
                            "request",
                            ":request_id",
                            "status"
                          ],
                          "variable": [
                            {
                              "key": "request_id"
                            }
                          ]
                        }
                      },
                      "status": "OK",
                      "code": 200,
                      "_postman_previewlanguage": "json",
                      "header": [
                        {
                          "key": "Content-Type",
                          "value": "application/json"
                        }
                      ],
                      "cookie": [],
                      "responseTime": null,
                      "body": "{\n  \"items\": {\n    \"id\": \"<string>\",\n    \"name\": \"<string>\",\n    \"description\": \"<string>\",\n    \"created_at\": \"<dateTime>\",\n    \"updated_at\": \"<dateTime>\",\n    \"state\": \"voided\",\n    \"status\": 22300,\n    \"amount\": \"<integer>\",\n    \"payment_type_id\": \"<integer>\",\n    \"currency\": \"<string>\",\n    \"buyer_name\": \"<string>\",\n    \"buyer_email\": \"<email>\",\n    \"buyer_country\": \"<string>\",\n    \"seller_name\": \"<string>\",\n    \"seller_email\": \"<email>\",\n    \"seller_country\": \"<email>\",\n    \"tds_check_state\": \"<email>\",\n    \"batch_state\": \"<string>\",\n    \"invoice_url\": \"<string>\",\n    \"payout_descriptor\": \"<string>\",\n    \"remaining_amount\": \"<integer>\",\n    \"requested_release_amount\": \"<integer>\",\n    \"custom_descriptor\": \"<string>\",\n    \"net_amount\": \"<integer>\",\n    \"chargedback_amount\": \"<integer>\",\n    \"refunded_amount\": \"<integer>\",\n    \"released_amount\": \"<integer>\",\n    \"buyer_fees\": \"<integer>\",\n    \"seller_fees\": \"<integer>\",\n    \"credit_card_fee\": \"<integer>\",\n    \"paypal_fee\": \"<integer>\",\n    \"seller_url\": \"<string>\",\n    \"buyer_url\": \"<string>\",\n    \"direct_debit_fee\": \"<integer>\",\n    \"due_date\": \"<date>\",\n    \"pending_release_amount\": \"<integer>\",\n    \"dynamic_descriptor\": \"<string>\",\n    \"deposit_reference\": \"<string>\",\n    \"promisepay_fee\": \"<integer>\",\n    \"total_outstanding\": \"<integer>\",\n    \"total_amount\": \"<integer>\",\n    \"payment_method\": \"<string>\",\n    \"payment_credit_card_enabled\": \"<boolean>\",\n    \"payment_direct_debit_enabled\": \"<boolean>\",\n    \"related\": {\n      \"buyers\": \"<string>\",\n      \"sellers\": \"<string>\"\n    },\n    \"links\": {\n      \"self\": \"<string>\",\n      \"buyers\": \"<string>\",\n      \"sellers\": \"<string>\",\n      \"status\": \"<string>\",\n      \"fees\": \"<string>\",\n      \"transactions\": \"<string>\",\n      \"batch_transactions\": \"<string>\",\n      \"wire_details\": \"<string>\",\n      \"bpay_details\": \"<string>\",\n      \"tds_checks\": \"<string>\"\n    }\n  }\n}",
                      "createdAt": "2026-07-28T03:36:55.000Z",
                      "updatedAt": "2026-07-28T03:36:55.000Z",
                      "uid": "35240-f189d28a-25a4-435f-a4d9-c14b3917ddf1"
                    },
                    {
                      "id": "a1552bcf-97a9-4710-afc2-03e593cdeece",
                      "name": "Still awaiting item response.",
                      "originalRequest": {
                        "method": "GET",
                        "header": [
                          {
                            "key": "Accept",
                            "value": "application/json"
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                            "key": "Authorization",
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                          "raw": "{{baseUrl}}/request/:request_id/status",
                          "host": [
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                          "path": [
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                      "code": 503,
                      "_postman_previewlanguage": "text",
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                    "description": "This API is applicable for asynchronous requests submitted to `make_payment`. It returns information about callbacks executed upon receipt of a response to the associated request."
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                      "_postman_previewlanguage": "text",
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  ],
  "auth": {
    "type": "basic",
    "basic": [
      {
        "key": "username",
        "value": "{{basicAuthUsername}}",
        "type": "string"
      },
      {
        "key": "password",
        "value": "{{basicAuthPassword}}",
        "type": "string"
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    ]
  },
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      "key": "baseUrl",
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}