How AI is applied across API Evangelist and APIs.io. Read my AI disclosure →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

Asana Attachments API

The Asana Attachments API allows developers to interact with and manage file attachments within the Asana project management platform. This API enables users to upload, download, and delete attachments associated with tasks, projects, and conversations. With the Asana Attachments API, developers can seamlessly integrate file sharing capabilities into their own applications, allowing for easier collaboration and file management within the Asana platform.

Asana Attachments API is one of 55 APIs that Asana publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

This API exposes 4 operations across 2 paths, and defines 2 schemas. It is described by OpenAPI 3.2.0, at version 1.0.

Requests are made against a single base URL, https://app.asana.com/api/1.0.

4 operations 2 paths 2 schemas 1 DELETE2 GET1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
1.0
Server
https://app.asana.com/api/1.0
Authentication
HTTP Bearer, OAuth 2.0
License
Terms of Service
Resource Areas
1

Authentication & Security 2

Asana Attachments API declares 2 security schemes for authenticating requests. It accepts HTTP bearer tokens (personalAccessToken). It supports OAuth 2.0 (oauth2) using the authorizationCode flow, exposing 1 scope. By default, every request must be authenticated.

  • personalAccessToken — A personal access token for the Asana API.
  • oauth2 — OAuth 2.0 authorization code flow.

Paths & Operations 4

Across 2 paths, the API surfaces 4 operations — 1 DELETE, 2 GET, 1 POST. Each is listed below with its method, path, parameters, and response codes.

Attachments 4

An attachment object represents any file attached to a task in Asana.

GET
/attachments/{attachment_gid}
Asana Get an attachment
getAttachment 4 params → 200400401403404500
DELETE
/attachments/{attachment_gid}
Asana Delete an attachment
deleteAttachment 3 params → 200400401403404500
GET
/attachments
Asana Get attachments from an object
getAttachmentsForObject 4 params → 200400401403404500
POST
/attachments
Asana Upload an attachment
createAttachmentForObject 1 param body → 200400401403404500

Schemas 2

The contract defines 2 schemas that model the data the API accepts and returns. The most detailed are AttachmentResponse (12 properties), AttachmentCompact (4 properties). Each schema is shown below with its type and property counts.

AttachmentCompact
object
4 properties
AttachmentResponse
object
12 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

asana-attachments-api-openapi.yml Raw ↑

Other APIs Asana publishes across the network.

Asana Allocations API
Asana Custom Fields API
Asana Enum Options API
Asana Events API
Asana Goal Relationships API
Asana Goals API
Asana Jobs API
Asana Memberships API
Asana Organization Exports API
Asana Portfolios API
Asana Project Templates API
Asana Projects API
Where this information came from

This is an independent, third-party profile of Asana Attachments 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.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

info@apievangelist.com · Read the full data-sourcing policy →
On a security or compliance team? Put security in the subject line and you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.