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Apache Airflow XCom API

The XCom API from Apache Airflow — 2 operation(s) for xcom.

Apache Airflow XCom API is one of 19 APIs that Apache Airflow publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include XCom. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, authentication docs, and a changelog.

This API exposes 2 operations across 2 paths, and defines 5 schemas. It is described by OpenAPI 3.2.0, at version 3.0.

Requests are made against 2 base URLs: /api/v1, https://apache.local.

2 operations 2 paths 5 schemas 2 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
3.0
Base URL
http://localhost:8080/api/v1
Authentication
HTTP Basic, OpenID Connect, HTTP Negotiate
License
Resource Areas
1

Authentication & Security 3

Apache Airflow XCom API declares 3 security schemes for authenticating requests. It accepts HTTP basic authentication (Basic). It supports OpenID Connect (GoogleOpenId) discovered at https://accounts.google.com/.well-known/openid-configuration. It uses HTTP negotiate authentication (Kerberos).

Paths & Operations 2

Across 2 paths, the API surfaces 2 operations — 2 GET. Each is listed below with its method, path, parameters, and response codes.

XCom 2
GET
/dags/{dag_id}/dagRuns/{dag_run_id}/taskInstances/{task_id}/xcomEntries
Apache Airflow List XCom Entries
get_xcom_entries 5 params → 200401403
GET
/dags/{dag_id}/dagRuns/{dag_run_id}/taskInstances/{task_id}/xcomEntries/{xcom_key}
Apache Airflow Get an XCom Entry
get_xcom_entry 5 params → 200401403404

Schemas 5

The contract defines 5 schemas that model the data the API accepts and returns. The most detailed are Error (5 properties), XComCollectionItem (5 properties), CollectionInfo (1 property). Each schema is shown below with its type and property counts.

XComCollectionItem
object
XCom entry collection item. The value field is only available when reading a single object due to the size of the value.
5 properties
CollectionInfo
object
Metadata about collection.
1 property
XCom
Full representations of XCom entry.
XComCollection
object
Collection of XCom entries. Changed in version 2.1.0: 'totalentries' field is added.
Error
object
[RFC7807](https://tools.ietf.org/html/rfc7807) compliant response.
5 properties 3 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

apache-airflow-xcom-api-openapi.yml Raw ↑

Other APIs Apache Airflow publishes across the network.

Apache Airflow Experimental API (Deprecated)
Apache Airflow Config API
Apache Airflow Connection API
Apache Airflow DAG API
Apache Airflow DAGRun API
Apache Airflow DagWarning API
Apache Airflow Dataset API
Apache Airflow EventLog API
Apache Airflow ImportError API
Apache Airflow Monitoring API
Apache Airflow Permission API
Apache Airflow Plugin API
Where this information came from

This is an independent, third-party profile of Apache Airflow XCom API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

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