# ECMWF

**Canonical:** https://apis.io/providers/ecmwf/  
**Website:** https://www.ecmwf.int/  
**APIs profiled:** 6

ECMWF, the European Centre for Medium-Range Weather Forecasts, is an intergovernmental organisation that is both a research institute and a 24/7 operational service, producing global numerical weather predictions and other data for its Member and Co-operating States and the broader community. It operates one of the largest supercomputer facilities and meteorological data archives in the world, and offers programmatic data access through the ECMWF Web API and its Free & Open Data portal.

## Kin Score — 50.0 / 100 (developing)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 73.2 |
| Contract Quality | 58.5 |
| Contract Governance | 35.6 |
| Operational Transparency | 21.1 |
| Developer Ergonomics | 44.6 |
| Access Clarity | 44.7 |

Regulatory layer — **Government & Public Sector**: 34.3 (matched via tags).

## Agent readiness — 36.8 (agent-ready)

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

## APIs (4)

- **ECMWF Data Stores Processing API** — OGC API - Processes compliant REST API that enables the submission of processing tasks (data retrieval) to the ECMWF Data Stores system (Climate, Atmosphere and Early Warning Da...
- **ECMWF Data Stores STAC Catalogue API** — STAC compliant API to access the ECMWF Data Stores catalogues - dataset collections, search, licences and keyword vocabularies, and dataset messages and changelogs.
- **ECMWF Data Stores Profile API** — REST API to handle user authentication and users' data for the ECMWF Data Stores (OIDC and personal access token verification, licence acceptance, starred datasets and profile v...
- **ECMWF Web API** — Programmatic access to ECMWF data archives (MARS and public datasets) through the ECMWF Web API at api.ecmwf.int, used by the ecmwf-api-client Python library with a personal API...

## Agentic access (1)

- **Ecmwf Agentic Access** — 54 operations · 17 acting

## Security (2)

- **Ecmwf Authentication** — 2 schemes
- **Ecmwf Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Ecmwf Plans Pricing**

## Tags

Company, Weather, Meteorology, Forecasting, Climate, Open Data, Research, Intergovernmental

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