> ## Documentation Index > Fetch the complete documentation index at: https://clickhouse.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # Programmatic API access with Postman > This guide will help you test the ClickHouse Cloud API using Postman export const Image = ({img, alt, size = "lg", background}) => { const normalizedSize = ["sm", "md", "lg"].includes(size) ? size : "lg"; const backgroundColor = background === "white" ? "white" : background === "black" ? "rgb(31 31 28)" : undefined; return
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; }; This guide will help you test the ClickHouse Cloud API using [Postman](https://www.postman.com/product/what-is-postman/). The Postman Application is available for use within a web browser or can be downloaded to a desktop.

Create an account

* Free accounts are available at [https://www.postman.com](https://www.postman.com). Postman site

Create a workspace

* Name your workspace and set the visibility level. Create workspace

Create a collection

* Below "Explore" on the top left Menu click "Import": Explore > Import * A modal will appear: API URL entry * Enter the API address: "[https://api.clickhouse.cloud/v1](https://api.clickhouse.cloud/v1)" and press 'Enter': * Select "Postman Collection" by clicking on the "Import" button: Collection > Import

Interface with the ClickHouse Cloud API spec

* The "API spec for ClickHouse Cloud" will now appear within "Collections" (Left Navigation). Import your API * Click on "API spec for ClickHouse Cloud." From the middle pain select the 'Authorization' tab: Import complete

Set authorization

* Toggle the dropdown menu to select "Basic Auth": Basic auth * Enter the Username and Password received when you set up your ClickHouse Cloud API keys: credentials

Enable variables

* [Variables](https://learning.postman.com/docs/sending-requests/variables/) enable the storage and reuse of values in Postman allowing for easier API testing.

Set the organization ID and Service ID

* Within the "Collection", click the "Variable" tab in the middle pane (The Base URL will have been set by the earlier API import): * Below `baseURL` click the open field "Add new value", and Substitute your organization ID and service ID: Organization ID and Service ID

Test the ClickHouse Cloud API functionalities

Test "GET list of available organizations"

* Under the "OpenAPI spec for ClickHouse Cloud", expand the folder > V1 > organizations * Click "GET list of available organizations" and press the blue "Send" button on the right: Test retrieval of organizations * The returned results should deliver your organization details with "status": 200. (If you receive a "status" 400 with no organization information your configuration isn't correct). Status

Test "GET organizational details"

* Under the `organizationid` folder, navigate to "GET organizational details": * In the middle frame menu under Params an `organizationid` is required. Test retrieval of organization details * Edit this value with `orgid` in curly braces `{{orgid}}` (From setting this value earlier a menu will appear with the value): Submit test * After pressing the "Save" button, press the blue "Send" button at the top right of the screen. Return value * The returned results should deliver your organization details with "status": 200. (If you receive a "status" 400 with no organization information your configuration isn't correct).

Test "GET service details"

* Click "GET service details" * Edit the Values for `organizationid` and `serviceid` with `{{orgid}}` and `{{serviceid}}` respectively. * Press "Save" and then the blue "Send" button on the right. List of services * The returned results should deliver a list of your services and their details with "status": 200. (If you receive a "status" 400 with no services information your configuration isn't correct).