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Weld

Fast, reliable data for agents·weld.io

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Weld is a modern ELT platform that helps businesses integrate, transform, and sync data effortlessly. Teams can connect multiple data sources, automate data workflows with SQL/dbt transformations, and centralize analytics in the cloud. It supports reverse ETL, orchestration, and AI agent workflows through a REST API and an MCP server, delivering near real-time, analysis-ready data.

What it's for

Replicating data from apps, databases, and files into a data warehouseTransforming raw data with SQL and dbt modelsSyncing warehouse data back into CRMs, ad platforms, and other tools (reverse ETL)Orchestrating multi-step data pipelines with schedules and retriesGiving AI agents controlled access to data pipelines via MCPEmbedding data infrastructure into other products via REST APIChange Data Capture (CDC) real-time replication from databases

Features 19

  • 300+ pre-built data connectors
  • AI-assisted SQL and dbt model transformations
  • Audit logs
  • Automatic schema migrations
  • Column hashing and data blocking
  • Custom connector framework (built in Python)
  • Data lineage visualization
  • Incremental, full, and Change Data Capture (CDC) replication
  • Model tests
  • Multiplayer mode for collaborative work
  • Pipeline orchestration with schedules, dependencies, and retries
  • Reverse ETL to CRMs, ad platforms, and other destinations
  • Single sign-on (SSO) and 2FA authentication
  • Slowly Changing Dimensions (SCD Type 2)
  • Usage Forecast Estimator for Monthly Active Rows
  • Version control / Git sync for data models
  • Webhooks support
  • Weld Connect REST API for programmatic control
  • Weld MCP Server for AI agent integration

At a glance

free trialAPI
TypeWeb app
DeploymentCloud
PlatformsWeb
Fordata teams, AI teams, businesses
CompanyWeld Technologies ApS · 2021

Integrations

Apache IcebergGeminiAzure Blob StorageTikTok AdsModeCursorAirtableGorgiasRedshiftMixpanelLooker StudioHubSpotZendeskChatGPTSalesforceExcelPipedriveClaudeAmazon AdsMongoDBGitHubSnowflakeShopifyMySQLGitHub CopilotKlaviyoGoogle AdsSQLMeshPower BIS3ClickHousedbtGoogle SheetsFTPOmniGoogle DriveBigQueryDatabricksSQL ServerAzure SQLMetabaseSlackAmazon Seller APIMailchimpFacebook AdsMotherDuckSFTPOneDriveStripeTableauCubePostgresMariaDBIntercomLooker

Complianceself-reported

ISO 27001SOC 2 Type IISOC 3GDPR

Resources

Pricing

Displayed prices are the monthly-equivalent rate when billed annually; a monthly billing option exists but its standalone monthly price is not shown. Enterprise pricing is custom/quote-based. Billing can be by credit card (all plans) or invoice (Business and Enterprise).

Basic$99/mo · billed annually

Price shown is the monthly-equivalent when billed annually; monthly billing is also offered but its standalone monthly price is not shown. Includes a 14-day free trial.

5M Monthly Active Rows included (scalable to 10M/15M/20M); 2 connectors; 1 user; 1 destination; daily sync frequency

Premium$389/mo · billed annually

Price shown is the monthly-equivalent when billed annually; monthly billing is also offered but its standalone monthly price is not shown.

10M Monthly Active Rows included (scalable to 20M/30M/40M); 6 connectors; 3 users; 1 destination; 1-hour sync frequency

Business$959/mo · billed annually

Billed annually only; invoice payment available.

50M Monthly Active Rows included (scalable to 100M/150M/200M); 10 connectors; 5 users; multiple destinations; 15-minute sync frequency

EnterpriseQuote

Custom/quote-based pricing, contact sales ('Talk to us').

Custom connectors and users; 100M to 10B+ Monthly Active Rows; 5-minute sync frequency; Change Data Capture included

Save 20% with annual billing compared to monthly billing

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