Asana

Asana Custom Fields API

The Asana Custom Fields API allows developers to create and manage custom fields within Asana, a popular project management tool. With this API, users can define custom fields that are specific to their organization's needs, such as tracking budgets, deadlines, or project statuses. These custom fields can be added to tasks, projects, and portfolios within Asana, providing users with greater flexibility and control over their project data.

Documentation GitHub OpenAPI

Operations 8

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

POST /custom_fields Create a custom field in a workspace · Asana Create a custom field #

Ask an LLM

“How do I define a new custom field like a dropdown or number?”

“Can a custom field be moved to another workspace after creation?”

Tell an agent

Create a custom field named {field} in my workspace.

Define a new dropdown custom field with {definition}.

GET /custom_fields/{custom_field_gid} Get a custom field's definition · Asana Get a custom field #

Ask an LLM

“What type and options does a custom field have?”

“Can I see a dropdown field's enum options?”

Tell an agent

Show the definition of custom field {field}.

Fetch custom field {field} and its options.

PUT /custom_fields/{custom_field_gid} Update a custom field · Asana Update a custom field #

Ask an LLM

“Can I rename a custom field or change its description?”

“Who can update a locked custom field?”

Tell an agent

Rename custom field {field} to {name}.

Update custom field {field} with {changes}.

DELETE /custom_fields/{custom_field_gid} Delete a custom field · Asana Delete a custom field #

Ask an LLM

“Can I delete a custom field from my workspace?”

“Who is allowed to delete a locked custom field?”

Tell an agent destructive · confirm first

Delete custom field {field}.

Remove the custom field {field} permanently.

GET /workspaces/{workspace_gid}/custom_fields List a workspace's custom fields · Asana Get a workspace's custom fields #

Ask an LLM

“What custom fields exist in my workspace?”

“Can I page through all custom field definitions?”

Tell an agent

List the custom fields in workspace {workspace}.

Show every field defined in workspace {workspace}.

POST /custom_fields/{custom_field_gid}/enum_options Add an option to a dropdown custom field · Asana Create an enum option #

Ask an LLM

“How do I add a new choice to a dropdown field?”

“Is there a limit to how many enum options a custom field can have?”

Tell an agent

Add option {option} to custom field {field}.

Create a new dropdown choice {option} on field {field}.

POST /custom_fields/{custom_field_gid}/enum_options/insert Reorder a dropdown field's options · Asana Reorder a custom field's enum #

Ask an LLM

“Can I move a dropdown option before or after another one?”

“How do I change the order of enum choices?”

Tell an agent

Move an option in custom field {field} as {placement}.

Reorder dropdown choices on field {field} using {placement}.

PUT /enum_options/{enum_option_gid} Edit a dropdown option · Asana Update an enum option #

Ask an LLM

“Can I rename, recolor or disable a single dropdown option?”

“Why must an enum field keep at least one enabled option?”

Tell an agent

Rename enum option {option} to {name}.

Disable dropdown option {option}.

Documentation

📖

Documentation

https://developers.asana.com/reference/custom-fields

Specifications

⚙

OpenAPI

https://raw.githubusercontent.com/api-evangelist/asana/refs/heads/main/openapi/asana-custom-fields-api-openapi.yml

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OpenAPI Specification

openapi: 3.2.0
info:
  description: This is the interface for interacting with the Asana Platform. Our API reference is generated from our [OpenAPI spec] (https://raw.githubusercontent.com/Asana/openapi/master/defs/asana_oas.yaml).
  x-public-description: This is the interface for interacting with the [Asana Platform](https://developers.asana.com). Our API reference is generated from our [OpenAPI spec] (https://raw.githubusercontent.com/Asana/openapi/master/defs/asana_oas.yaml).
  title: Asana Custom Fields API
  termsOfService: https://asana.com/terms
  contact:
    name: Asana Support
    url: https://asana.com/support
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
  version: '1.0'
  x-docs-schema-whitelist:
  - AsanaResource
  - AsanaNamedResource
  - AuditLogEvent
  - AttachmentResponse
  - AttachmentCompact
  - BatchResponse
  - CustomFieldSettingResponse
  - CustomFieldSettingCompact
  - CustomFieldResponse
  - CustomFieldCompact
  - EnumOption
  - EventResponse
  - ErrorResponse
  - GoalResponse
  - GoalCompact
  - GoalMembershipCompact
  - GoalMembershipBase
  - GoalMembershipResponse
  - GoalRelationshipResponse
  - GoalRelationshipCompact
  - JobResponse
  - JobCompact
  - OrganizationExportResponse
  - OrganizationExportCompact
  - PortfolioMembershipResponse
  - PortfolioMembershipCompact
  - PortfolioResponse
  - PortfolioCompact
  - ProjectBriefResponse
  - ProjectBriefCompact
  - ProjectMembershipCompactResponse
  - ProjectMembershipNormalResponse
  - ProjectMembershipCompact
  - ProjectResponse
  - ProjectCompact
  - ProjectStatusResponse
  - ProjectStatusCompact
  - ProjectTemplateCompact
  - ProjectTemplateResponse
  - RuleTriggerResponse
  - SectionResponse
  - SectionCompact
  - StatusUpdateResponse
  - StatusUpdateCompact
  - StoryResponse
  - StoryCompact
  - TagResponse
  - TagCompact
  - TaskResponse
  - TaskCompact
  - TaskCountResponse
  - TeamMembershipResponse
  - TeamMembershipCompact
  - TeamResponse
  - TeamCompact
  - TimePeriodResponse
  - TimePeriodCompact
  - UserTaskListResponse
  - UserTaskListCompact
  - UserResponse
  - UserCompact
  - WebhookFilter
  - WebhookResponse
  - WebhookCompact
  - WorkspaceMembershipResponse
  - WorkspaceMembershipCompact
  - WorkspaceResponse
  - WorkspaceCompact
servers:
- url: https://app.asana.com/api/1.0
  description: Main endpoint.
security:
- personalAccessToken: []
- oauth2: []
tags:


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# Full source: https://raw.githubusercontent.com/api-evangelist/asana/refs/heads/main/openapi/asana-custom-fields-api-openapi.yml