# ECMWF Web API

**Canonical:** https://apis.io/apis/ecmwf/ecmwf-web-api/  
**Provider:** ECMWF — https://apis.io/providers/ecmwf/  
**Base URL:** https://api.ecmwf.int/v1  
**Documentation:** https://www.ecmwf.int/en/computing/software/ecmwf-web-api

ECMWF Web API is one of 4 APIs that [ECMWF](https://apis.io/providers/ecmwf/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Weather and Data. The published artifact set on APIs.io includes API documentation.

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 key. No machine-readable contract is published; the base answers 403 "Missing access token" without credentials.

## Machine-readable artifacts (1)

- **Documentation** — https://confluence.ecmwf.int/display/WEBAPI

## Other ECMWF APIs (3)

- [ECMWF Data Stores Processing API](https://apis.io/apis/ecmwf/ecmwf-data-stores-processing-api/)
- [ECMWF Data Stores STAC Catalogue API](https://apis.io/apis/ecmwf/ecmwf-data-stores-stac-catalogue-api/)
- [ECMWF Data Stores Profile API](https://apis.io/apis/ecmwf/ecmwf-data-stores-profile-api/)

## Tags

Weather, Data

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/ecmwf/ecmwf-web-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/ecmwf/.