Weld is a modern ELT (Extract, Load, Transform) platform that enables businesses to build fully autonomous data pipelines connecting 300+ SaaS apps, databases, ERPs, and ad platforms to cloud data warehouses such as Google BigQuery, Snowflake, Databricks, PostgreSQL, and Amazon Redshift. It supports incremental, full, and Change Data Capture (CDC) replication with automatic schema migrations, self-healing pipelines, and near real-time data movement. Weld includes a built-in SQL workspace, native dbt Cloud and dbt Core integration, and AI-assisted data transformation, allowing teams to build and manage models using tools like Claude Code, Cursor, or GitHub Copilot. Its Reverse ETL capability pushes enriched warehouse data back to business tools like Salesforce, HubSpot, Klaviyo, and Facebook Ads, keeping every team aligned on a single source of truth. Weld also offers a REST API for full programmatic control over syncs, pipeline orchestration, and monitoring. With enterprise-grade security including SOC 2 Type II and ISO 27001 certifications, end-to-end encryption, and 99.9% uptime SLA, Weld is designed for reliability at scale. Through AiDOOS, organizations can accelerate Weld adoption by accessing on-demand data engineers who can configure connectors, build transformation models, and operationalize pipelines without the need for full-time hires.
Challenges It Solves
Modern companies run dozens of SaaS tools that create data silos, making it difficult to get a unified view of business performance.
Manually built data pipelines are fragile, break frequently, and require ongoing engineering maintenance to keep data flowing reliably.
Lack of near real-time data availability delays analytics and AI model accuracy, slowing business decision-making.
Syncing enriched data back to operational tools like CRMs and ad platforms requires complex custom workflows that are difficult to maintain.
Screenshots
Use Cases
Marketing Analytics
Connect ad platforms like Facebook Ads, Google Ads, and HubSpot to a central data warehouse to unify campaign performance data and enable data-driven media buying decisions.
E-commerce Data Operations
Sync Shopify, Stripe, and Amazon Selling Partner API data into a warehouse for real-time inventory, sales, and profitability analysis without relying on manual exports.
AI Agent Data Pipelines
Deliver fresh, reliable, analysis-ready data to AI agents and LLM-powered applications via fully autonomous ETL pipelines with near real-time latency.
Operational Data Sync (Reverse ETL)
Push cleaned and enriched warehouse models back into CRMs like Salesforce and HubSpot or ad platforms so every team operates from the same trusted source of truth.
Pricing
Basic
Entry-level plan for small teams getting started with data integration.
$99/user
billed monthly ·
1 user included
2 connectors included
5M monthly active rows
Unlimited data syncs
Unlimited ad accounts
Daily sync frequency
Extract and Load (ETL)
Reverse ETL
Most Popular
Premium
For growing teams needing more connectors, faster syncs, and dbt integration.
$389/user
billed monthly ·
3 users included
6 connectors included
10M monthly active rows
Unlimited data syncs
6-hour, 3-hour, 1-hour sync frequency
dbt integration
On demand syncs
Custom sync frequency
Business
For data-driven organizations requiring high volume, fast syncs, and CDC capabilities.
$959/user
billed monthly ·
5 users included
10 connectors included
50M monthly active rows
15-minute sync frequency
Change Data Capture (CDC) add-on available
On demand syncs
dbt integration
Custom sync frequency
Enterprise
Custom plan for large organizations with advanced security, compliance, and scale requirements.
Custom
contact AiDOOS for pricing
Custom users
Custom connectors
Custom monthly active rows
Change Data Capture (CDC)
All sync frequencies
SCIM/automatic deprovisioning
Enterprise SLA
14-day free trial available — No credit card required. Full access to all features.
💡 Pricing insight from reviewers: Weld's plans start at $99/month (billed annually) for the Basic tier, scaling to $959/month for Business, making it accessible for SMBs while offering enterprise-grade capabilities at higher tiers.
Key Features
300+ Pre-built Connectors
Connect SaaS apps, databases, ERPs, and ad platforms in minutes with zero custom code.
Change Data Capture (CDC)
Capture every insert, update, and delete from PostgreSQL, MySQL, SQL Server, and MongoDB in near real-time.
dbt Integration & SQL Workspace
Run dbt Cloud and dbt Core projects, write SQL models with AI assistance, and orchestrate transformations automatically.
Reverse ETL
Push enriched warehouse models back to Salesforce, HubSpot, Klaviyo, Facebook Ads, and hundreds of other tools.
Self-Healing Pipelines
Automatic schema migrations, API versioning, exponential back-off retries, and duplicate detection keep pipelines running without manual intervention.
REST API & Agentic Workflows
Programmatically manage syncs, trigger runs, and let AI agents like Claude or GitHub Copilot control data pipelines end-to-end.
What Reviewers Say
What works well
Wide connector library with 300+ pre-built integrations covering SaaS, databases, and ad platforms reduces setup time significantly.
Self-healing pipelines with automatic schema migrations and retries minimize engineering maintenance overhead.
Native dbt Cloud and dbt Core integration allows data teams to manage transformations within familiar workflows.
Near real-time CDC replication captures every database change with low latency and minimal load on source systems.
Common concerns
CDC functionality is an add-on available only on Business and Enterprise plans, adding cost for teams requiring real-time replication.
Lower-tier plans have limited connector counts and slower sync frequencies, which may restrict smaller teams with diverse data needs.
BI tool connectivity is not supported for the Weld Managed BigQuery destination, requiring users to set up their own destination.
Reviews
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Enterprise Readiness
SOC 2 Type II
ISO 27001
TLS 1.2+ Encryption in Transit
Identity & Access
SSO✓
RBAC✓ None
Audit Logs✗
Data Security
At restStrong at-rest encryption (managed stores)
In transitTLS 1.2+
Key mgmtKMS-managed; customer KMS respected where available
SLA & Availability
Uptime SLA99.9%
RPO—
RTO—
Pen test—
Compliance & Portability
Data residencyEU (Frankfurt preferred for EU customers)
Data export
Right to erasure✗
Integrations
300+ total apps
SH
Shopify
Sync Shopify orders, products, and customer data to your data warehouse via incremental replication.
Native< 1 hour
SF
Salesforce
Extract Salesforce CRM data to your warehouse and reverse ETL enriched warehouse data back to Salesforce.
Native1-2 hours⇄ Bi-directional
HS
HubSpot
Sync HubSpot contacts, deals, and marketing data to your warehouse and push enriched data back via Reverse ETL.
Native< 1 hour⇄ Bi-directional
BQ
Google BigQuery
Load and replicate data into Google BigQuery as a primary destination; Weld also offers a managed BigQuery option.
Native1-2 hours⚡ AiDOOS Pre-wired
SF
Snowflake
Replicate data from 300+ sources into Snowflake with incremental, full, or CDC replication modes.
Native1-2 hours
FA
Facebook Ads
Sync Facebook Ads performance data to your warehouse and activate audiences via Reverse ETL.
Native< 1 hour⇄ Bi-directional
GA
Google Ads
Extract Google Ads campaign and performance data into your data warehouse for unified analytics.
Native< 1 hour
dB
dbt Cloud
Trigger dbt Cloud jobs via webhooks after syncs complete; also supports dbt Core via Weld's orchestration layer.
Native1-2 hours
Governance & Compliance
EU AI Act
Classification: None
Data Processing Agreement
Data Processing Agreement DPA available
Sub-processors
Fully disclosed
Right to Erasure
✗ Not supported
Change Notifications
None
NIST AI RMF
Not assessed
AiDOOS Managed Deployment
Deploy Weld Your Own App in 72 hours
AiDOOS handles setup, CRM integration, SSO config, and user provisioning. Your team goes live — not your IT department.
12
Deployments
94%
Adoption rate
4.8/5
Post-deploy sat.
2-4 weeks
Time to value
Prerequisites
A supported cloud data warehouse destination (e.g., BigQuery, Snowflake, Databricks, or PostgreSQL)
Admin credentials for source systems (SaaS apps, databases, ad platforms)
Network access or firewall rules configured for source databases if using CDC
Weld account with appropriate plan for required connectors and sync frequency
Configuration Options
Connector selection and authentication for data sources
Sync frequency configuration (daily, hourly, 5-minute, CDC real-time)
dbt Cloud or dbt Core project integration for transformations
Reverse ETL destination mapping for activating warehouse data
How Weld Your Own App Compares
Product
AI & Analytics
Ease of Use
Enterprise Features
Pricing
Integrations
Mobile Experience
Quick Setup
Customer Support
Rating
Price/mo
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Weld Your Own App This product
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Excellent
Good
Good
Excellent
Fair
Excellent
Good
★ 4.8
$99/user
FT
Fivetran
Good
Good
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Fair
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Fair
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Good
★ None
$None/user
AB
Airbyte
Good
Fair
Good
Good
Excellent
Fair
Fair
Fair
★ None
$None/user
ST
Stitch
Fair
Good
Fair
Good
Good
Fair
Good
Fair
★ None
$None/user
Virtual Delivery Center · A new delivery category
A Virtual Delivery Center for
Weld Your Own App
Pre-vetted experts and AI agents in the loop, assembled as a delivery
pod. Pay in Delivery Units — universal pricing across roles,
seniority, and tech stacks. No hiring, no contracting, no procurement
cycle.
Plans from $2,000 — Starter Pack, 10 Delivery Units, 90 days
Refundable on unused Delivery Units, anytime — no questions asked
Re-delivery guarantee on acceptance miss
Pre-flight delivery sizing — you see the plan before you commit
What data warehouses does Weld support as destinations?
Weld supports Google BigQuery, Snowflake, Databricks, PostgreSQL, and Amazon Redshift as destinations. Weld also offers a managed BigQuery destination that is fully set up by Weld and free to use through the platform with 1TB stored data and 5TB queries per month.
Does Weld store my data during the ETL process?
No, Weld does not store your data. It is only responsible for the movement of data from source to destination. Processing is ephemeral and scoped to the job lifecycle, meaning Weld simply transfers and makes data ready for analysis without retaining it.
How many connectors does Weld support?
Weld supports 300+ prebuilt connectors across SaaS apps, ERPs, databases, ad platforms, and files. A single connector type supports multiple accounts — for example, you can connect multiple Shopify stores using just one connector.
What is Change Data Capture (CDC) and which databases does Weld support it for?
CDC is log-based replication that captures every insert, update, and delete from a source database in near real-time (within seconds). Weld supports CDC for PostgreSQL (WAL-based), MySQL (Binlog-based), SQL Server (Transaction log), and MongoDB (Change Streams). CDC is available as an add-on on the Business plan and included on Enterprise.
Does Weld support dbt for data transformation?
Yes, Weld integrates with both dbt Cloud and dbt Core. You can trigger dbt Cloud jobs via webhooks after syncs complete, push models via GitHub, or use Weld's built-in SQL workspace. Weld also supports AI-assisted SQL and dbt model writing with tools like Claude Code and Cursor.
What security certifications does Weld hold?
Weld holds SOC 2 Type II certification (report available under NDA) and ISO 27001 certification for its infrastructure. All data in transit is protected with TLS 1.2+ and HSTS enforcement, and at-rest encryption is applied across managed stores with KMS-based key management.