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Overview

Build with Altertable

Connect data, query it with SQL, and use it in applications, analytics, and AI agents.

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What Altertable is

Altertable combines lakehouse storage, DuckDB compute, and live access to external data behind one governed SQL layer. The same catalogs, credentials, and permissions work across the app, CLI, APIs, SDKs, and MCP tools.

Choose your path

Choose an outcome to open its setup guide and reference.

Ingest application dataSend records, files, product events, and telemetry into one queryable lakehouse.Connect existing dataQuery databases, warehouses, and object storage without moving everything first.Query with SQLUse the app, CLI, HTTP API, DuckDB, Postgres, or Arrow Flight SQL.Connect an AI agentGive Codex, Claude Code, Cursor, and other MCP clients governed data access.

Run a first query

Install the CLI, sign in, and list the tables available to your Altertable profile.

  1. 1Install the CLI

    curl -fsSL https://install.altertable.ai | sh

  2. 2Sign in

    altertable login

  3. 3Run a query

    altertable query "SELECT table_catalog, table_schema, table_name FROM information_schema.tables LIMIT 10"
Open CLI quickstart

Reference

API referenceEndpoints, authentication, payloads, and MCP tools.Altertable CLIQuery, load data, and automate workflows from a terminal.ExamplesComplete workflows for ingestion, analytics, and agents.LimitsStorage, compute, agent, and platform limits.