5 best IMPORTJSON alternatives for Google Sheets in 2026

Why there is no native IMPORTJSON formula

Google documents five spreadsheet import functions: IMPORTDATA, IMPORTHTML, IMPORTFEED, IMPORTXML, and IMPORTRANGE. JSON is not on that list. IMPORTXML accepts an XPath query for structured sources such as XML and HTML, while IMPORTDATA expects CSV or TSV. Neither is a general-purpose JSON parser.

That leaves three real approaches: install a maintained add-on, add Apps Script code to the spreadsheet, or transform the source outside Sheets. The right choice depends less on whether a demo request works and more on what happens when the API needs a token, returns multiple pages, changes shape, or must refresh without someone watching it.

IMPORTJSON alternatives compared

Feature availability and pricing change. Verify current plan details with each provider before purchasing.

Best overall for JSON

1. JSON for Sheets visual add-on

JSON for Sheets is the best fit when the person maintaining the spreadsheet should not also have to maintain an HTTP client and JSON parser. You can paste JSON, read it from a selected cell, open a local .json file, enter a public URL, build an authenticated API request, or paste a cURL command.

The preview exposes the rows and detected fields before anything is written. You can choose a root path, select exact output columns, control nested arrays, and use overwrite, append, or update-or-append. Remote responses are fetched fresh rather than served from a product response cache.

• Best strengths: visual setup, local files, encrypted credentials, GET/POST/PUT/PATCH/DELETE, pagination, spreadsheet variables, safe output, saved imports, and schedules.
• Tradeoff: remote API volume and automatic schedules are plan-based; it is not a free unlimited fetch engine.
• Choose it when: a business user needs a dependable JSON table without writing or maintaining Apps Script.

See the complete JSON import walkthrough or follow the authenticated API guide.

Best free code-first option

2. An open-source IMPORTJSON Apps Script

The long-running open-source ImportJSON project on GitHub popularized the custom-function approach: paste a script into Apps Script, then call an IMPORTJSON-style formula from a cell. It remains appealing because the code is inspectable and there is no add-on subscription attached to the script itself.

The tradeoff is ownership. Someone must review the code, add it to each spreadsheet or library setup, authorize external requests, handle API-specific authentication, diagnose quota or execution failures, and update the parser when the endpoint behaves differently. A custom function can also recalculate at inconvenient times, which makes request metering and secret handling harder to reason about.

• Best strengths: free source code, formula-like use, full visibility, and easy experimentation with public GET endpoints.
• Tradeoff: no managed support, visual preview, encrypted connection store, built-in schedule manager, or universal pagination configuration.
• Choose it when: the request is small and public, and a technical owner is comfortable maintaining Apps Script.

Best for developers

3. Custom Apps Script with UrlFetchApp

A custom script offers the most control. Google's UrlFetchApp service supports HTTP and HTTPS requests, headers, payloads, and GET, DELETE, PATCH, POST, and PUT methods. You can write exactly the retry logic, transformation, destination behavior, and trigger schedule the integration requires.

That flexibility comes with operational work. You must validate URLs, protect credentials, prevent formula injection, bound pagination, handle response sizes, avoid overlapping runs, and make writes idempotent. Apps Script also has per-user quotas and execution limits. Google's current quota documentation lists URL Fetch calls, response-size limits, trigger runtime, and other constraints, and warns that quotas can change.

• Best strengths: unlimited customization and direct integration with spreadsheet logic.
• Tradeoff: engineering, security review, testing, monitoring, and maintenance are entirely yours.
• Choose it when: the workflow contains proprietary logic that a configurable add-on cannot express.

Best when the source is not really JSON

4. IMPORTDATA or IMPORTXML workaround

Built-in functions are excellent when the source format matches them. If an API can return CSV or TSV, IMPORTDATA may be all you need. If the source is XML or an HTML table, IMPORTXML or IMPORTHTML may fit. But pointing IMPORTXML at arbitrary JSON and hoping an XPath expression will parse it is brittle because JSON is not its documented target format.

Google says IMPORTDATA, IMPORTHTML, and IMPORTXML automatically check for updates about hourly while the document is open, and that heavy use may be throttled. Refresh timing is not a precise job scheduler, authenticated requests are limited, and large results can fail.

• Best strengths: native formulas, no installation, and minimal setup for CSV, TSV, XML, or HTML.
• Tradeoff: not a real JSON solution; limited authentication, transformation, and refresh control.
• Choose it when: the endpoint already offers a supported format and the import is small.

Best for broad data integration

5. A general-purpose API connector add-on

General connectors can be a better choice when the project includes far more than JSON transformation. For example, API Connector advertises a library of preset requests plus custom API connections, while other reporting platforms focus on marketing, database, or SaaS sources.

The broader product can save time when it already understands a specific service. The tradeoff is a larger interface and pricing model than a JSON-focused workflow may need. Compare the exact authentication modes, pagination, row limits, schedule frequency, support, and permissions instead of assuming every connector handles every API equally.

• Best strengths: preset integrations, broad source coverage, and managed scheduling.
• Tradeoff: more complexity, potentially higher cost, and features unrelated to a simple JSON import.
• Choose it when: JSON is only one source in a larger reporting or data-operations stack.

How to choose the right alternative

Methodology and primary sources

This comparison favors practical ownership cost over the number of features on a landing page. We evaluated whether each option can securely reach the source, transform nested JSON, preview output, handle pagination, control spreadsheet writes, refresh predictably, expose useful errors, and remain understandable to the person who will maintain it.

• Google Docs Editors Help: import functions, refresh behavior, and usage limits
• Google Docs Editors Help: IMPORTXML syntax and supported structured data
• Google for Developers: UrlFetchApp reference
• Google for Developers: Apps Script quotas
• Google Workspace Marketplace: ImportJSON add-on listing

JSON for Sheets publishes this guide and is therefore not a neutral party. Product-specific claims about JSON for Sheets were checked against the working add-on and its current public pricing and documentation.

Frequently asked questions