Documentation

Weld Documentation

Everything you need to set up data pipelines, connect your sources, transform your data and get analytics-ready — all in one place.

Quickstart Guide

Get up and running with Weld in minutes. Create your first data pipeline and connect a source.

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What is Weld?

An overview of the Weld platform, its architecture and how it fits into your data stack.

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Product Demo Video

A guided video walkthrough of Weld's features, connectors and transformation layer.

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Connect

Connectors & Integrations

Sync data from 200+ sources into your warehouse. Databases, SaaS apps, files and custom connectors.

Applications

Connect SaaS apps like Stripe, HubSpot, Shopify, Google Ads and 150+ more.

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Databases

Replicate data from PostgreSQL, MySQL, SQL Server and other relational databases.

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Custom Connector

Build your own connector to pull data from any REST API into your warehouse.

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Transform

Transformations

Model and transform your data with SQL, AI assistance, scheduling and lineage tracking.

Data Models

Create reusable SQL models to keep your warehouse clean and analytics-ready.

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AI Assistant

Let Ed, Weld's AI assistant, write and explain SQL transformations for you.

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Orchestration

Schedule transformations, use dbt, or trigger via webhooks and third-party tools.

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Operate

Using Weld

Day-to-day guides for managing sources, destinations, reverse-ETL and workspace settings.

Data Sources (ETL)

Configure syncs, schedules, column selection and incremental loading.

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Reverse-ETL

Push transformed data back to your SaaS tools and operational systems.

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Destinations

Set up BigQuery, Snowflake, Redshift or Postgres as your data warehouse destination.

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More resources

APIs, billing, learning materials and release notes.

Weld Connect API

Programmatic access to connections, syncs and metadata.

Billing & Usage

Pricing details, monitor usage and manage your subscription.

FAQ

Answers to the most common questions about Weld.

Release Notes

The latest product updates, features and fixes.

Glossary

Definitions of key data and Weld-specific terms.

Learn SQL

Interactive SQL course to level-up your query skills.

Need help?

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