How to Connect Smartproxy to Excel (4 Methods Compared)

The Problem With Getting Workbook Data In and Out of Smartproxy

You have an Excel workbook full of target countries, project configs, or infrastructure planning tables — and you need Smartproxy endpoint strings generated for each row, or you need the full catalog of available hostnames pulled back into the workbook so your team can configure scraper microservices against it.

Smartproxy is good at providing residential, datacenter, ISP, and mobile proxy endpoints with global location targeting. But the gap between your workbook and those endpoints is usually bridged by someone writing a script. The default flow is: open the Smartproxy dashboard, manually look up endpoint formats, write connection strings by hand, paste them into the workbook row by row — or export a CSV and spend twenty minutes reformatting it.

Below are the four ways teams handle this. Only the last one scales.

Method 1: Manual Copy-Paste

The default for Excel users often starts with a CSV export from whatever data source feeds the Smartproxy config. You get a CSV, open it, reformat the columns to match what Smartproxy expects, look up the endpoint format documentation, manually construct the connection strings for each row, and paste them back into your workbook.

For fifteen target countries, that's a formatting exercise every single time. The credential embedding is the specific pain — username, password, host, and port all concatenated in a strict pattern. One wrong character in row 7 breaks the connection silently. You won't know until a scraping job fails and someone has to binary-search the string for the typo.

The part that wears people down isn't doing it once. It's the fact that every new client project, every new proxy type rollout, every addition to the target country list kicks off the same manual assembly process from scratch.

Method 2: Power Automate

Power Automate has Smartproxy connector options and can read rows from an Excel worksheet, call an API, and write results back. You can wire up a flow that reads country codes, constructs endpoint strings, and writes them to the output column.

Before going further — a few honest questions. Do you know what an HTTP connector is in Power Automate? Have you configured dynamic content from API responses? Do you understand how to map JSON fields back to table columns? If any of that sounds unfamiliar, this path will cost more time than the problem it's solving. Skip to Method 3 or 4.

For those who are still here: the flow works. You authenticate to the Smartproxy API, identify the right catalog endpoint, extract the fields you need, construct the connection string format in the expression editor, and write it into the Excel table column. When it runs correctly, it runs correctly.

But this processes one row at a time by default.

Fifteen rows means fifteen API calls. If a single row returns an unexpected format, Power Automate either fails the whole flow or silently skips the row, depending on how the error handling is configured — which is its own separate configuration task.

You probably just need the endpoint strings in your workbook and have no idea how to wire up an HTTP connector expression — and you shouldn't have to. So this becomes a ticket to your IT team or whoever built the last automation, and you're waiting while they reprioritize their queue.

Once you add any cross-worksheet lookup — matching project credentials from one sheet, pulling target cities from another — you've left Power Automate's native table-joining capabilities behind.

Method 3: The Previous Generation — Connector Add-Ons

Until recently, the best option for repeatable workbook ↔ API workflows was a category of add-ins that let you configure column mappings and saved templates. You set your source range, tagged output fields, saved a config, and ran it.

That was a real step up from manual copy-paste. Configs were reusable, the format was consistent, the team didn't have to look up the Smartproxy endpoint documentation every time they needed a new batch.

But the logic was still entirely on you. Which proxy type per row, which credentials to embed, which port to assign, which rows to include or exclude — all of that was manual configuration in the template. The tool moved the data through; the operator was still responsible for everything that shaped it. And any schema change — a new column, a renamed header, a new proxy type — broke the template until someone repaired it.

This is the previous generation. It helped, but it didn't reduce the cognitive load.

The Easy Way: Using SheetXAI in Excel

There is a different approach entirely. SheetXAI is an AI agent that lives inside your Excel workbook. It reads the workbook, understands what you're looking at, and through its built-in Smartproxy integration it can generate endpoints, pull catalog data, and write connection strings back into your columns for you. No template configuration, no automation glue, no manual string assembly. You just ask.

Example 1: Generate rotating-session endpoint strings for a list of country codes

For each country code in column A (rows 2–16), generate a Smartproxy backconnect endpoint using rotating session type and write the full connection string into column B

Each row gets a properly formatted connection string — username, password, host, and port concatenated in Smartproxy's expected format — written directly into column B.

Example 2: Pull the full endpoint catalog into a reference worksheet

Fetch all available Smartproxy endpoints and write endpoint location, hostname, proxy type, and port range into columns A through D of the Infrastructure sheet starting at row 2

SheetXAI calls the Smartproxy catalog, maps each field into the right column, and builds a structured reference table your team can use to plan microservice configurations.

Try It

Get the 7-day free trial of SheetXAI and open any Excel workbook with target countries or proxy config data, then ask it to generate Smartproxy endpoint strings or pull the full endpoint catalog into your workbook. The Smartproxy integration is included in every SheetXAI plan.