# Estuary

**Canonical:** https://apis.io/providers/estuary/  
**Website:** https://estuary.dev/  
**APIs profiled:** 8

Estuary builds Estuary Flow, a real-time data movement platform for streaming ETL and change data capture (CDC). Flow captures data from databases, warehouses, and SaaS systems into durable collections and materializes those collections back out to destinations. The Flow control plane exposes a Supabase/PostgREST-based REST API (Bearer refresh/access tokens) covering captures, materializations, collections, catalog drafts and publications, connectors, and tenants/billing, while the data plane is driven declaratively via the flowctl CLI and a Gitops model.

## Kin Score — 36.9 / 100 (thin)

Scored 2026-08-24 under rubric 0.13.0. Trend: flat (-0.3 from 37.2).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 49.5 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 23.8 |
| Commercial Clarity | 39.5 |
| Access Clarity | 39.5 |

## Agent readiness — 19.8 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Freemium (free trial) · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: yes (confidence: high).

## APIs (8)

- **Estuary Auth API** — The Auth API from Estuary — 5 operation(s) for auth.
- **Estuary Captures API** — The Captures API from Estuary — 2 operation(s) for captures.
- **Estuary Collections API** — The Collections API from Estuary — 3 operation(s) for collections.
- **Estuary Connectors API** — The Connectors API from Estuary — 3 operation(s) for connectors.
- **Estuary Drafts API** — The Drafts API from Estuary — 3 operation(s) for drafts.
- **Estuary Materializations API** — The Materializations API from Estuary — 2 operation(s) for materializations.
- **Estuary Publications API** — The Publications API from Estuary — 1 operation(s) for publications.
- **Estuary Tenants API** — The Tenants API from Estuary — 3 operation(s) for tenants.

## Agentic access (1)

- **Estuary Agentic Access** — 22 operations · 9 acting · 1 human-in-the-loop

## Security (2)

- **Estuary Authentication** — http · 1 scheme
- **Estuary Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Estuary Plans Pricing**

## Tags

Data Integration, Streaming ETL, Change Data Capture, CDC, Real-Time Data, Data Pipeline

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