Trello · OpenAPI Overlay 1.0.0
API Evangelist conversational phrasing for Trello Custom Fields API
11 actions
11 updates
phrasing
extends
openapi/trello-custom-fields-api-openapi.yml
Generated by API Evangelist
Written by API Evangelist tooling for Trello's API. It is a proposal applied on top of the contract, not a document Trello publishes.
What the actions change
x-apievangelist-phrasing
Targets 11
$.info
$.paths['/customFields'].post
$.paths['/customFields/{id}'].get
$.paths['/customFields/{id}'].put
$.paths['/customFields/{id}'].delete
$.paths['/cards/{id}/customFieldItems'].get
$.paths['/cards/{idCard}/customField/{idCustomField}/item'].put
$.paths['/customFields/{id}/options'].get
$.paths['/customFields/{id}/options'].post
$.paths['/customFields/{id}/options/{idCustomFieldOption}'].get
$.paths['/customFields/{id}/options/{idCustomFieldOption}'].delete
OpenAPI Overlay
# Generated by API Evangelist (build-phrasing.py). Our phrasing, not observed demand.
overlay: 1.0.0
info:
title: API Evangelist conversational phrasing for Trello Custom Fields API
version: 1.0.0
extends: openapi/trello-custom-fields-api-openapi.yml
actions:
- target: $.info
update:
x-apievangelist-phrasing:
method: generated
generated: '2026-10-02'
generator: build-phrasing.py
label: Generated by API Evangelist
operations: 10
- target: $.paths['/customFields'].post
update:
x-apievangelist-phrasing:
intent: Create a custom field on a board
effect: write
questions:
- How do I add a new custom field, like a dropdown or number, to a board?
- Can I show a custom field on the front of cards when I create it?
instructions:
- text: Create a {type} custom field called {name} on board {idModel} of model type {modelType} at position {pos}.
slots:
type: requestBody.type
name: requestBody.name
idModel: requestBody.idModel
modelType: requestBody.modelType
pos: requestBody.pos
- text: Add a dropdown field {name} with options {options} to board {idModel}, model type {modelType}, type {type}, position {pos}.
slots:
name: requestBody.name
options: requestBody.options
idModel: requestBody.idModel
modelType: requestBody.modelType
type: requestBody.type
pos: requestBody.pos
method: generated
generated: '2026-10-02'
- target: $.paths['/customFields/{id}'].get
update:
x-apievangelist-phrasing:
intent: Get a custom field definition
effect: read
questions:
- How do I look up a custom field's type and name?
- Can I fetch one custom field definition by id?
instructions:
- text: Get custom field {id}.
slots:
id: path.id
- text: Show the definition of custom field {id}.
slots:
id: path.id
method: generated
generated: '2026-10-02'
- target: $.paths['/customFields/{id}'].put
update:
x-apievangelist-phrasing:
intent: Rename or reposition a custom field
effect: write
questions:
- Can I rename a custom field after it's been created?
- How do I stop a custom field from showing on the card front?
instructions:
- text: Rename custom field {id} to {name}.
slots:
id: path.id
name: requestBody.name
- text: Move custom field {id} to position {pos}.
slots:
id: path.id
pos: requestBody.pos
method: generated
generated: '2026-10-02'
- target: $.paths['/customFields/{id}'].delete
update:
x-apievangelist-phrasing:
intent: Delete a custom field and its values
effect: destructive
questions:
- What happens to card values when I delete a custom field?
- How do I remove a custom field from a board entirely?
instructions:
- text: Delete custom field {id} and clear its values from all cards.
slots:
id: path.id
- text: Remove custom field definition {id}.
slots:
id: path.id
method: generated
generated: '2026-10-02'
- target: $.paths['/cards/{id}/customFieldItems'].get
update:
x-apievangelist-phrasing:
intent: Get the custom field values on a card
effect: read
questions:
- Which custom field values are filled in on a card?
- How do I read all custom field data for one card?
instructions:
- text: Get the custom field values on card {id}.
slots:
id: path.id
- text: List custom field items set on card {id}.
slots:
id: path.id
method: generated
generated: '2026-10-02'
- target: $.paths['/cards/{idCard}/customField/{idCustomField}/item'].put
update:
x-apievangelist-phrasing:
intent: Set a custom field value on a card
effect: write
questions:
- How do I fill in a custom field value on a specific card?
- Can I pick a dropdown option for a card's custom field by option id?
instructions:
- text: Set custom field {idCustomField} on card {idCard} to {value}.
slots:
idCustomField: path.idCustomField
idCard: path.idCard
value: requestBody.value
- text: Choose dropdown option {idValue} for field {idCustomField} on card {idCard}.
slots:
idValue: requestBody.idValue
idCustomField: path.idCustomField
idCard: path.idCard
method: generated
generated: '2026-10-02'
- target: $.paths['/customFields/{id}/options'].get
update:
x-apievangelist-phrasing:
intent: List the options of a dropdown custom field
effect: read
questions:
- What choices are available in a dropdown custom field?
- How do I list every option on a dropdown field?
instructions:
- text: List the options of dropdown custom field {id}.
slots:
id: path.id
- text: Show all choices in dropdown field {id}.
slots:
id: path.id
method: generated
generated: '2026-10-02'
- target: $.paths['/customFields/{id}/options'].post
update:
x-apievangelist-phrasing:
intent: Add an option to a dropdown custom field
effect: write
questions:
- How do I add a new choice to an existing dropdown field?
- Can I extend a dropdown custom field with another option?
instructions:
- text: Add a new option to dropdown custom field {id}.
slots:
id: path.id
- text: Create another choice on dropdown field {id}.
slots:
id: path.id
method: generated
generated: '2026-10-02'
- target: $.paths['/customFields/{id}/options/{idCustomFieldOption}'].get
update:
x-apievangelist-phrasing:
intent: Get one option of a dropdown custom field
effect: read
questions:
- How do I look up a single dropdown option by its id?
- Can I see the text and color of one dropdown choice?
instructions:
- text: Get option {idCustomFieldOption} of dropdown field {id}.
slots:
idCustomFieldOption: path.idCustomFieldOption
id: path.id
- text: Show dropdown choice {idCustomFieldOption} on custom field {id}.
slots:
idCustomFieldOption: path.idCustomFieldOption
id: path.id
method: generated
generated: '2026-10-02'
- target: $.paths['/customFields/{id}/options/{idCustomFieldOption}'].delete
update:
x-apievangelist-phrasing:
intent: Delete an option from a dropdown custom field
effect: destructive
questions:
- How do I remove a choice from a dropdown custom field?
- Can I delete a dropdown option nobody uses anymore?
instructions:
- text: Delete option {idCustomFieldOption} from dropdown field {id}.
slots:
idCustomFieldOption: path.idCustomFieldOption
id: path.id
- text: Remove dropdown choice {idCustomFieldOption} on custom field {id}.
slots:
idCustomFieldOption: path.idCustomFieldOption
id: path.id
method: generated
generated: '2026-10-02'
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