# Quadratic

**Canonical:** https://apis.io/providers/quadratic/  
**Website:** https://www.quadratichq.com  
**APIs profiled:** 14

Quadratic is an AI-native infinite spreadsheet that combines Python, SQL, JavaScript, formulas, and AI agents on a single canvas, with live connections to databases like PostgreSQL, MySQL, BigQuery, and Snowflake. Its token-authenticated Developer (Spreadsheet) API and remote MCP server let agents and applications programmatically read and write cells, run code and SQL, build tables, and orchestrate spreadsheets.

## Kin Score — 49.3 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 49.3).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 49.6 |
| Governance | 16.7 |
| Contract Governance | 16.7 |
| Operational Transparency | 18.4 |
| Developer Ergonomics | 61.3 |
| Commercial Clarity | 60.5 |
| Access Clarity | 60.5 |

## Agent readiness — 41.0 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | documented |
| MCP Server | documented |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | partial |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | derived |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: medium).

## APIs (14)

- **Quadratic Agent Connections API** — List and inspect team agent connections (third-party REST API bindings).
- **Quadratic Auth API** — Identity for the calling token.
- **Quadratic Cells API** — Read and write cell values, code, formulas, formats, borders, and merges.
- **Quadratic Columns and rows API** — Insert, delete, and resize columns and rows.
- **Quadratic Conditional formats API** — Manage conditional-format rules.
- **Quadratic Connections API** — Fetch schemas from registered DB connections.
- **Quadratic Context, outline, search API** — Read-only exploration of file structure and contents.
- **Quadratic Documentation API** — OpenAPI spec and Scalar viewer.
- **Quadratic Files API** — Create, list, fetch, and import files.
- **Quadratic Health API** — Liveness probes.
- **Quadratic History API** — Undo, redo, and atomic batches of actions.
- **Quadratic Sheets API** — Add, rename, delete, reorder, and recolor sheets.
- **Quadratic Tables API** — Create, configure, and manage data tables.
- **Quadratic Validations API** — Manage cell validation rules.

## MCP servers (1)

- **Quadratic MCP Server**

## Security (3)

- **Quadratic Authentication** — http · 1 scheme
- **Quadratic Domain Security** — TLSv1.3 · HSTS · DMARC
- **Quadratic Trust Center** — SOC 2, HIPAA

## Tags

Company, Artificial Intelligence, Spreadsheet, Analytics, Data, Developer Tools, MCP, Productivity

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/quadratic/). Scores are computed from the provider's own public artifacts under a published rubric.