Smartcat

Smartcat CustomFields API

The CustomFields API from Smartcat — 1 operation(s) for customfields.

Documentation GitHub OpenAPI

Operations 1

GET /api/integration/v1/custom-fields Retrieves all custom fields defined for the current account.

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this

find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/smartcat-customfields-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.2.0
info:
  title: Smartcat Account Custom Fields API
  version: v1
servers:
- url: /
tags:
- name: CustomFields
paths:
  /api/integration/v1/custom-fields:
    get:
      tags:
      - CustomFields
      summary: Retrieves all custom fields defined for the current account.
      responses:
        '200':
          description: OK
          content:
            text/plain:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/CustomField'
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/CustomField'
            text/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/CustomField'
components:
  schemas:
    FieldType:
      enum:
      - text
      - select
      type: string
      description: Specifies the data type of a custom field, determining how its value is entered and stored.
      format: int32
    EntityType:
      enum:
      - project
      - freelancer
      - vendor
      - client
      - tM
      - tMUnit
      type: string
      description: Specifies the type of entity that a custom field can be attached to.
      format: int32
    CustomField:
      type: object
      properties:
        internalId:
          type: string
          description: The unique internal identifier of the custom field.
          format: uuid
        entityType:
          $ref: '#/components/schemas/EntityType'
        label:
          type:
          - string
          - 'null'
          description: The human-readable label displayed to users for the custom field.
        id:
          type:
          - string
          - 'null'
          description: The user-defined identifier of the custom field.
        isHidden:
          type: boolean
          description: Indicates whether the custom field is hidden from the user interface.
        fieldType:
          $ref: '#/components/schemas/FieldType'
        usagesCount:
          type: integer
          description: The number of times the custom field is currently being used.
          format: int32
        isVisibleToSuppliers:
          type: boolean
          description: Indicates whether the custom field is visible to the supplier.
        options:
          type:
          - array
          - 'null'
          items:
            $ref: '#/components/schemas/SelectFieldOption'
          description: The collection of pre-filled values available for selection-type fields.
      additionalProperties: false
      description: 'Represents a custom field defined within an account, used to attach

        additional structured data to entities such as projects or assignments.'
    SelectFieldOption:
      type: object
      properties:
        key:
          type: string
          description: The unique identifier of the option.
          format: uuid
        value:
          type:
          - string
          - 'null'
          description: The display value associated with the option.
      additionalProperties: false
      description: 'Represents a single selectable option for a custom field of selection type,

        pairing a unique key with its display value.'