# WeTransform Help Center

> Help center for WeTransform

## Use cases

- [Use case — Automate a recurring data flow between two systems](https://help.wetransform.com/en/articles/14325212-use-case-automate-a-recurring-data-flow-between-two-systems.md): Replace your manual data flows and fragile scripts with a reliable, automated pipeline — from source to destination, every day, without intervention.
- [Use case — Complete incomplete product catalogs automatically](https://help.wetransform.com/en/articles/14325208-use-case-complete-incomplete-product-catalogs-automatically.md): Your product catalogs arrive incomplete. WeTransform's Fill the Gaps uses AI to fill missing attributes automatically — from the data already in the file.
- [Use case — Onboard e-commerce clients sending logistics flows](https://help.wetransform.com/en/articles/14325202-use-case-onboard-e-commerce-clients-sending-logistics-flows.md): Your logistics clients all have different file formats. WeTransform lets them send what they have — and delivers clean, validated data to your platform.
- [Use case — Onboard new sellers on your marketplace](https://help.wetransform.com/en/articles/14325200-use-case-onboard-new-sellers-on-your-marketplace.md): Every seller has a different catalog format. WeTransform lets them upload what they have — and delivers exactly what your marketplace needs.
- [Use case — Remove the data format barrier from client onboarding](https://help.wetransform.com/en/articles/14325197-use-case-remove-the-data-format-barrier-from-client-onboarding.md): Your format requirements are blocking client onboarding. WeTransform lets your clients send whatever they have — and delivers exactly what you need.
- [Use case — Normalize files from suppliers automatically](https://help.wetransform.com/en/articles/14325195-use-case-normalize-files-from-suppliers-automatically.md): Your suppliers send files in 10 different formats. You need one clean output, every time. Here's how WeTransform eliminates the manual work entirely.

## Get started

- [Meet Walter — the AI assistant that sets up WeTransform for you](https://help.wetransform.com/en/articles/16258308-meet-walter-the-ai-assistant-that-sets-up-wetransform-for-you.md): Walter is WeTransform's AI assistant: describe what you need in plain language and it creates formats, configures exporters, fixes errors, and answers your questions — directly in the interface.
- [How to create your first target format](https://help.wetransform.com/en/articles/14303434-how-to-create-your-first-target-format.md): Your target format is the foundation of everything in WeTransform. Here's how to set it up in a few minutes.
- [How to manage your team's access and roles](https://help.wetransform.com/en/articles/14327092-how-to-manage-your-team-s-access-and-roles.md): Invite your team members, assign roles, and control exactly who can access what in WeTransform.
- [How to load your first file and run a transformation](https://help.wetransform.com/en/articles/14323554-how-to-load-your-first-file-and-run-a-transformation.md): Your target format is ready. Now let's transform your first file — from upload to clean output, step by step.
- [WeTransform in 2 minutes — how it works](https://help.wetransform.com/en/articles/14303316-wetransform-in-2-minutes-how-it-works.md): New to WeTransform? Start here. Understand the core workflow in 2 minutes and know exactly what to do next.

## Transform and clean your data

- [How to understand every change made to your file](https://help.wetransform.com/en/articles/16235107-how-to-understand-every-change-made-to-your-file.md): "Explain" replays what happened to a selection, the "steps overview" lists and manages every step of the pipeline, and "column details" show everything that touches one column.
- [Specific prompt — teach the AI your format's business logic](https://help.wetransform.com/en/articles/16257722-specific-prompt-teach-the-ai-your-format-s-business-logic.md): Add a specific prompt to your target format and the AI generates rules that speak your business language — proprietary fields, conventions, and all.
- [Fill the Gaps — auto-complete missing fields with AI](https://help.wetransform.com/en/articles/14324085-fill-the-gaps-auto-complete-missing-fields-with-ai.md): Got a file full of empty fields? Fill the Gaps uses AI to automatically complete missing values from the context already in your file.
- [What file formats does WeTransform accept?](https://help.wetransform.com/en/articles/14324067-what-file-formats-does-wetransform-accept.md): CSV, Excel, XML, JSON, PDF, images — here's what WeTransform can take as input, and what happens with each format.
- [How does automatic column matching work?](https://help.wetransform.com/en/articles/14324070-how-does-automatic-column-matching-work.md): WeTransform's AI automatically maps your source columns to your target format. Here's how the Match step works and how to adjust it.
- [How to match value lists between two formats](https://help.wetransform.com/en/articles/14324075-how-to-match-value-lists-between-two-formats.md): Your supplier uses different category names than your system? WeTransform's AI can map value lists automatically — in seconds.
- [How to write a transformation rule in plain language](https://help.wetransform.com/en/articles/14324081-how-to-write-a-transformation-rule-in-plain-language.md): No need to build rules manually. Just describe what you want in plain language — WeTransform generates the transformation rule for you.
- [My file is messy — how to normalize it with Autoclean](https://help.wetransform.com/en/articles/14324193-my-file-is-messy-how-to-normalize-it-with-autoclean.md): Got a PDF, a scanned document, or an Excel file with merged cells and multiple tables? Autoclean uses AI to normalize your file before transformation begins.
- [Power Functions — validate and enrich data with any external system](https://help.wetransform.com/en/articles/14324206-power-functions-validate-and-enrich-data-with-any-external-system.md): Need to validate a VAT number, check a customer ID, or verify an address against an external system? Power Functions let you call any API during a transformation.
- [What can the AI do in WeTransform — and how do credits work?](https://help.wetransform.com/en/articles/14324216-what-can-the-ai-do-in-wetransform-and-how-do-credits-work.md): A complete overview of what WeTransform's AI can do — column matching, Autoclean, value mapping, rule generation, Fill the Gaps — and how credits work.
- [How to use transformation functions](https://help.wetransform.com/en/articles/8960946-how-to-use-transformation-functions.md): Functions are how WeTransform transforms your data. Learn how to apply them in two ways — by describing what you want in plain language, or by configuring them manually.
- [Custom fields — create intermediate variables for your rules](https://help.wetransform.com/en/articles/8961061-custom-fields-create-intermediate-variables-for-your-rules.md): Custom fields are working columns that live only inside your transformation: write to them with rules, read them in conditions — they never appear in your output file.

## Fix errors

- [Why is my correction not applying as expected?](https://help.wetransform.com/en/articles/9112890-why-is-my-correction-not-applying-as-expected.md): Applied a correction but the result isn't right? Here's how to read the transformation steps, understand their order, and fix conflicts.
- [How to fix errors in Finalize](https://help.wetransform.com/en/articles/14324563-how-to-fix-errors-in-finalize.md): Red rows in Finalize? Here are all the ways to fix errors — with AI, in bulk, with a rule, or manually — and when to use each.
- [How to make errors appear in your files](https://help.wetransform.com/en/articles/14324559-how-to-make-errors-appear-in-your-files.md): Errors don't appear by magic — they appear because your target format defines what valid data looks like. Here's how to set it up correctly.
- [How to guide your clients to fix their own errors](https://help.wetransform.com/en/articles/14324567-how-to-guide-your-clients-to-fix-their-own-errors.md): Pre-configure correction options so your clients never face a blank error. Here's how to set up tailored solutions they can apply in one click.
- [How to configure error handling](https://help.wetransform.com/en/articles/8986156-how-to-configure-error-handling.md)

## Automate your workflows

- [What are Exporters?](https://help.wetransform.com/en/articles/16232608-what-are-exporters.md): Exporters define where your transformed data goes after each submission: API push, webhook, email, FTP, or SFTP. Here's how they work and how to choose.
- [Exporter: API push — send your transformed data to any API](https://help.wetransform.com/en/articles/16232613-exporter-api-push-send-your-transformed-data-to-any-api.md): The API push exporter delivers your transformed data directly to your API endpoint, one JSON request per row, with a payload you design visually. No file download, no import step.
- [How to import files by email](https://help.wetransform.com/en/articles/16232740-how-to-import-files-by-email.md): Every email source gets its own address. Mail or auto-forward your files to it, and the transformation runs by itself. No integration, no credentials, no scheduled job.
- [How to import data straight from your API](https://help.wetransform.com/en/articles/16232743-how-to-import-data-straight-from-your-api.md): Point WeTransform at the API endpoint that lists your items. A guided wizard handles authentication, pagination, and column picking, and the fetch is replayed on every refresh.
- [Exporter: Email — send the transformed file to your team](https://help.wetransform.com/en/articles/16232745-exporter-email-send-the-transformed-file-to-your-team.md): Send the transformed file by email to your team after every submission. The simplest exporter: one recipient address, zero logins.
- [Exporter: FTP and SFTP — deliver the transformed file to a server](https://help.wetransform.com/en/articles/16232748-exporter-ftp-and-sftp-deliver-the-transformed-file-to-a-server.md): Upload the transformed file to an FTP or SFTP server after every submission. Perfect for ERPs and systems that watch a folder for incoming files.
- [Custom data extractor — let WeTransform ask your system for data](https://help.wetransform.com/en/articles/16257737-custom-data-extractor-let-wetransform-ask-your-system-for-data.md): When the export takes time to produce or lives behind your own business logic, the custom data extractor lets WeTransform request data from your server — and wait for your answer.
- [How to trigger a transformation via API](https://help.wetransform.com/en/articles/14324663-how-to-trigger-a-transformation-via-api.md): Trigger WeTransform transformations programmatically from your own system — no manual uploads, no waiting for a schedule.
- [How to connect an automatic data source](https://help.wetransform.com/en/articles/14324645-how-to-connect-an-automatic-data-source.md): Stop uploading files manually. Connect a FTP, SFTP, URL, or API source and let WeTransform fetch your data automatically.
- [How to schedule a recurring transformation](https://help.wetransform.com/en/articles/14324649-how-to-schedule-a-recurring-transformation.md): Run your transformations automatically every day, every hour, or on any schedule — without lifting a finger.
- [How to receive your output automatically with webhooks](https://help.wetransform.com/en/articles/14324659-how-to-receive-your-output-automatically-with-webhooks.md): Receive your transformed files automatically — no manual download needed. Here's how to configure a webhook and verify deliveries.

## Integrate WeTransform

- [How to customize the interface with your brand](https://help.wetransform.com/en/articles/14324744-how-to-customize-the-interface-with-your-brand.md): Your clients should see your brand, not WeTransform's. Here's how to configure your logo, colors, and custom URL.
- [FAQ — Integration questions](https://help.wetransform.com/en/articles/14324753-faq-integration-questions.md): Can I use WeTransform in white-label? Do my clients need an account? How does file retrieval work via API? Answers to the most common integration questions.
- [How to control client access to your target formats](https://help.wetransform.com/en/articles/14324747-how-to-control-client-access-to-your-target-formats.md): Control exactly which clients can access which target formats — and manage your team's permissions with granular roles.
- [Authentication — how to make the experience seamless for your clients](https://help.wetransform.com/en/articles/14324740-authentication-how-to-make-the-experience-seamless-for-your-clients.md): Your clients should never see a WeTransform login. Here's how HMAC authentication makes the integration completely invisible to them.
- [How to embed WeTransform into your application](https://help.wetransform.com/en/articles/14324738-how-to-embed-wetransform-into-your-application.md): Two integration modes, one result: your clients upload and transform files without ever leaving your platform.

## Simplify your customers' uploads

- [How to share a transformation with a customer](https://help.wetransform.com/en/articles/16232737-how-to-share-a-transformation-with-a-customer.md): Configure a transformation in your own workspace, then hand it over to a customer with one click. They get full control and run it on their own from then on.
- [What do your customers see when they upload a file?](https://help.wetransform.com/en/articles/16232732-what-do-your-customers-see-when-they-upload-a-file.md): In embed mode, your customers upload, map, fix, and submit their files entirely on their own, inside your interface. Here's the journey they follow, step by step.
- [Connectors — give your customers ready-made transformations](https://help.wetransform.com/en/articles/16232735-connectors-give-your-customers-ready-made-transformations.md): A connector is a ready-made transformation for a known source format \(Sage, Magento, Salesforce…\). When a customer uploads a matching file, WeTransform applies your pre-defined steps automatically.